From c3ee9b76aa93fbf59727e02fac9914c7355108f3 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 28 Sep 2012 16:01:23 -0400 Subject: EHCI: improved logic for isochronous scheduling This patch (as1608) reworks the logic used by ehci-hcd for scheduling isochronous transfers. Now the modular calculations are all based on a window that starts at the last frame scanned for isochronous completions. No transfer descriptors for any earlier frames can possibly remain on the schedule, so there can be no confusion from schedule wrap-around. This removes the need for a "slop" region of arbitrary size. There's no need to check for URBs that are longer than the schedule length. With the old code they could throw things off by wrapping around and appearing to end in the near future rather than the distant future. Now such confusion isn't possible, and the existing test for submissions that extend too far into the future will also catch those that exceed the schedule length. (But there still has to be an initial test to handle the case where the schedule already extends as far into the future as possible.) Delays caused by IRQ latency won't confuse the algorithm unless they are ridiculously long (over 250 ms); they will merely reduce how far into the future new transfers can be scheduled. A few people have reported problems caused by delays of 50 ms or so. Now instead of failing completely, isochronous transfers will experience a brief glitch and then continue normally. (Whether this is truly a good thing is debatable. A latency as large as 50 ms generally indicates a bug is present, and complete failure of audio or video transfers draws people's attention pretty vividly. Making the transfers more robust also makes it easier for such bugs to remain undetected.) Finally, ehci->next_frame is renamed to ehci->last_iso_frame, because that better describes what it is: the last frame to have been scanned for isochronous completions. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-sched.c | 70 ++++++++++++++++++++----------------------- drivers/usb/host/ehci.h | 2 +- 2 files changed, 33 insertions(+), 39 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 7cf3da7..7eb242f 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1361,7 +1361,7 @@ sitd_slot_ok ( * given EHCI_TUNE_FLS and the slop). Or, write a smarter scheduler! */ -#define SCHEDULE_SLOP 80 /* microframes */ +#define SCHEDULING_DELAY 40 /* microframes */ static int iso_stream_schedule ( @@ -1370,7 +1370,7 @@ iso_stream_schedule ( struct ehci_iso_stream *stream ) { - u32 now, next, start, period, span; + u32 now, base, next, start, period, span; int status; unsigned mod = ehci->periodic_size << 3; struct ehci_iso_sched *sched = urb->hcpriv; @@ -1382,12 +1382,6 @@ iso_stream_schedule ( span <<= 3; } - if (span > mod - SCHEDULE_SLOP) { - ehci_dbg (ehci, "iso request %p too long\n", urb); - status = -EFBIG; - goto fail; - } - now = ehci_read_frame_index(ehci) & (mod - 1); /* Typical case: reuse current schedule, stream is still active. @@ -1396,7 +1390,6 @@ iso_stream_schedule ( * slot in the schedule, implicitly assuming URB_ISO_ASAP. */ if (likely (!list_empty (&stream->td_list))) { - u32 excess; /* For high speed devices, allow scheduling within the * isochronous scheduling threshold. For full speed devices @@ -1408,36 +1401,41 @@ iso_stream_schedule ( else next = now; - /* Fell behind (by up to twice the slop amount)? - * We decide based on the time of the last currently-scheduled - * slot, not the time of the next available slot. + /* + * Use ehci->last_iso_frame as the base. There can't be any + * TDs scheduled for earlier than that. */ - excess = (stream->next_uframe - period - next) & (mod - 1); - if (excess >= mod - 2 * SCHEDULE_SLOP) - start = next + excess - mod + period * - DIV_ROUND_UP(mod - excess, period); - else - start = next + excess + period; - if (start - now >= mod) { - ehci_dbg(ehci, "request %p would overflow (%d+%d >= %d)\n", - urb, start - now - period, period, - mod); - status = -EFBIG; + base = ehci->last_iso_frame << 3; + next = (next - base) & (mod - 1); + start = (stream->next_uframe - base) & (mod - 1); + + /* Is the schedule already full? */ + if (unlikely(start < period)) { + ehci_dbg(ehci, "iso sched full %p (%u-%u < %u mod %u)\n", + urb, stream->next_uframe, base, + period, mod); + status = -ENOSPC; goto fail; } + + /* Behind the scheduling threshold? Assume URB_ISO_ASAP. */ + if (unlikely(start < next)) + start += period * DIV_ROUND_UP(next - start, period); + + start += base; } /* need to schedule; when's the next (u)frame we could start? * this is bigger than ehci->i_thresh allows; scheduling itself - * isn't free, the slop should handle reasonably slow cpus. it + * isn't free, the delay should handle reasonably slow cpus. it * can also help high bandwidth if the dma and irq loads don't * jump until after the queue is primed. */ else { int done = 0; - start = SCHEDULE_SLOP + (now & ~0x07); - /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ + base = now & ~0x07; + start = base + SCHEDULING_DELAY; /* find a uframe slot with enough bandwidth. * Early uframes are more precious because full-speed @@ -1464,19 +1462,16 @@ iso_stream_schedule ( /* no room in the schedule */ if (!done) { - ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n", - urb, now, now + mod); + ehci_dbg(ehci, "iso sched full %p", urb); status = -ENOSPC; goto fail; } } /* Tried to schedule too far into the future? */ - if (unlikely(start - now + span - period - >= mod - 2 * SCHEDULE_SLOP)) { - ehci_dbg(ehci, "request %p would overflow (%d+%d >= %d)\n", - urb, start - now, span - period, - mod - 2 * SCHEDULE_SLOP); + if (unlikely(start - base + span - period >= mod)) { + ehci_dbg(ehci, "request %p would overflow (%u+%u >= %u)\n", + urb, start - base, span - period, mod); status = -EFBIG; goto fail; } @@ -1490,7 +1485,7 @@ iso_stream_schedule ( /* Make sure scan_isoc() sees these */ if (ehci->isoc_count == 0) - ehci->next_frame = now >> 3; + ehci->last_iso_frame = now >> 3; return 0; fail: @@ -2220,16 +2215,16 @@ static void scan_isoc(struct ehci_hcd *ehci) now_frame = (uf >> 3) & fmask; live = true; } else { - now_frame = (ehci->next_frame - 1) & fmask; + now_frame = (ehci->last_iso_frame - 1) & fmask; live = false; } ehci->now_frame = now_frame; - frame = ehci->next_frame; for (;;) { union ehci_shadow q, *q_p; __hc32 type, *hw_p; + frame = ehci->last_iso_frame; restart: /* scan each element in frame's queue for completions */ q_p = &ehci->pshadow [frame]; @@ -2334,7 +2329,6 @@ restart: /* Stop when we have reached the current frame */ if (frame == now_frame) break; - frame = (frame + 1) & fmask; + ehci->last_iso_frame = (frame + 1) & fmask; } - ehci->next_frame = now_frame; } diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index da07d98..0564a63 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -143,7 +143,7 @@ struct ehci_hcd { /* one per controller */ struct ehci_qh *intr_unlink_last; unsigned intr_unlink_cycle; unsigned now_frame; /* frame from HC hardware */ - unsigned next_frame; /* scan periodic, start here */ + unsigned last_iso_frame; /* last frame scanned for iso */ unsigned intr_count; /* intr activity count */ unsigned isoc_count; /* isoc activity count */ unsigned periodic_count; /* periodic activity count */ -- cgit v1.1 From 98cae42d82fe9c9e2b5dacdf391edaa007e147e5 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 28 Sep 2012 16:01:34 -0400 Subject: EHCI: use the isochronous scheduling threshold This patch (as1609) changes the way ehci-hcd uses the "Isochronous Scheduling Threshold" in its calculations. Until now the code has ignored the threshold except for certain Intel PCI-based controllers. This violates the EHCI spec. The new code takes the threshold into account always, removing the need for the fs_i_thresh quirk flag. In addition it implements the "full frame cache" setting more efficiently, moving forward only as far as the next frame boundary instead of always moving forward 8 microframes. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 2 +- drivers/usb/host/ehci-pci.c | 1 - drivers/usb/host/ehci-sched.c | 12 ++++-------- drivers/usb/host/ehci.h | 1 - 4 files changed, 5 insertions(+), 11 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6bf6c42..61eac96 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -503,7 +503,7 @@ static int ehci_init(struct usb_hcd *hcd) /* controllers may cache some of the periodic schedule ... */ if (HCC_ISOC_CACHE(hcc_params)) // full frame cache - ehci->i_thresh = 2 + 8; + ehci->i_thresh = 0; else // N microframes cached ehci->i_thresh = 2 + HCC_ISOC_THRES(hcc_params); diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 2cb7d37..d1407f8 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -103,7 +103,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) } break; case PCI_VENDOR_ID_INTEL: - ehci->fs_i_thresh = 1; if (pdev->device == PCI_DEVICE_ID_INTEL_CE4100_USB) hcd->has_tt = 1; break; diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 7eb242f..b764cab 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1391,15 +1391,11 @@ iso_stream_schedule ( */ if (likely (!list_empty (&stream->td_list))) { - /* For high speed devices, allow scheduling within the - * isochronous scheduling threshold. For full speed devices - * and Intel PCI-based controllers, don't (work around for - * Intel ICH9 bug). - */ - if (!stream->highspeed && ehci->fs_i_thresh) - next = now + ehci->i_thresh; + /* Take the isochronous scheduling threshold into account */ + if (ehci->i_thresh) + next = now + ehci->i_thresh; /* uframe cache */ else - next = now; + next = (now + 2 + 7) & ~0x07; /* full frame cache */ /* * Use ehci->last_iso_frame as the base. There can't be any diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 0564a63..4ddf7c5 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -193,7 +193,6 @@ struct ehci_hcd { /* one per controller */ unsigned has_amcc_usb23:1; unsigned need_io_watchdog:1; unsigned amd_pll_fix:1; - unsigned fs_i_thresh:1; /* Intel iso scheduling */ unsigned use_dummy_qh:1; /* AMD Frame List table quirk*/ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */ unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */ -- cgit v1.1 From 72675479925f53af051ae8a78bcfafeaa47b3eef Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 28 Sep 2012 16:01:40 -0400 Subject: EHCI: replace mult/div with bit-mask operation This patch (as1610) replaces multiplication and divison operations in ehci-hcd's isochronous scheduling code with a bit-mask operation, taking advantage of the fact that isochronous periods are always powers of 2. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index b764cab..e08e65d 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1416,7 +1416,7 @@ iso_stream_schedule ( /* Behind the scheduling threshold? Assume URB_ISO_ASAP. */ if (unlikely(start < next)) - start += period * DIV_ROUND_UP(next - start, period); + start += (next - start + period - 1) & (- period); start += base; } -- cgit v1.1 From 4005ad4390bf698e3bdae9567e79242ec0584097 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 1 Oct 2012 10:32:01 -0400 Subject: EHCI: implement new semantics for URB_ISO_ASAP This patch (as1612) updates the isochronous scheduling and processing in ehci-hcd to match the new semantics for URB_ISO_ASAP. It also adds a missing "unlikely" in sitd_complete() to match the corresponding statement in itd_complete(), and it increments urb->error_count in a couple of places that had been overlooked. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-sched.c | 33 ++++++++++++++++++++++++++------- 1 file changed, 26 insertions(+), 7 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index e08e65d..b538a4d 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1386,8 +1386,8 @@ iso_stream_schedule ( /* Typical case: reuse current schedule, stream is still active. * Hopefully there are no gaps from the host falling behind - * (irq delays etc), but if there are we'll take the next - * slot in the schedule, implicitly assuming URB_ISO_ASAP. + * (irq delays etc). If there are, the behavior depends on + * whether URB_ISO_ASAP is set. */ if (likely (!list_empty (&stream->td_list))) { @@ -1414,9 +1414,25 @@ iso_stream_schedule ( goto fail; } - /* Behind the scheduling threshold? Assume URB_ISO_ASAP. */ - if (unlikely(start < next)) - start += (next - start + period - 1) & (- period); + /* Behind the scheduling threshold? */ + if (unlikely(start < next)) { + + /* USB_ISO_ASAP: Round up to the first available slot */ + if (urb->transfer_flags & URB_ISO_ASAP) + start += (next - start + period - 1) & -period; + + /* + * Not ASAP: Use the next slot in the stream. If + * the entire URB falls before the threshold, fail. + */ + else if (start + span - period < next) { + ehci_dbg(ehci, "iso urb late %p (%u+%u < %u)\n", + urb, start + base, + span - period, next + base); + status = -EXDEV; + goto fail; + } + } start += base; } @@ -1699,7 +1715,7 @@ static bool itd_complete(struct ehci_hcd *ehci, struct ehci_itd *itd) urb->actual_length += desc->actual_length; } else { /* URB was too late */ - desc->status = -EXDEV; + urb->error_count++; } } @@ -2072,7 +2088,7 @@ static bool sitd_complete(struct ehci_hcd *ehci, struct ehci_sitd *sitd) t = hc32_to_cpup(ehci, &sitd->hw_results); /* report transfer status */ - if (t & SITD_ERRS) { + if (unlikely(t & SITD_ERRS)) { urb->error_count++; if (t & SITD_STS_DBE) desc->status = usb_pipein (urb->pipe) @@ -2082,6 +2098,9 @@ static bool sitd_complete(struct ehci_hcd *ehci, struct ehci_sitd *sitd) desc->status = -EOVERFLOW; else /* XACT, MMF, etc */ desc->status = -EPROTO; + } else if (unlikely(t & SITD_STS_ACTIVE)) { + /* URB was too late */ + urb->error_count++; } else { desc->status = 0; desc->actual_length = desc->length - SITD_LENGTH(t); -- cgit v1.1 From c44b225077bb1fb25ed5cd5c4f226897b91bedd4 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 1 Oct 2012 10:32:09 -0400 Subject: UHCI: implement new semantics for URB_ISO_ASAP This patch (as1613) updates the isochronous scheduling in uhci-hcd to match the new semantics for URB_ISO_ASAP. The amount of code alteration is smaller than it looks because of a change in the indentation level. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/uhci-q.c | 73 +++++++++++++++++++++++------------------------ 1 file changed, 36 insertions(+), 37 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index d2c6f5a..15921fd 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1256,7 +1256,8 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, struct uhci_qh *qh) { struct uhci_td *td = NULL; /* Since urb->number_of_packets > 0 */ - int i, frame; + int i; + unsigned frame, next; unsigned long destination, status; struct urb_priv *urbp = (struct urb_priv *) urb->hcpriv; @@ -1265,37 +1266,29 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, urb->number_of_packets >= UHCI_NUMFRAMES) return -EFBIG; + uhci_get_current_frame_number(uhci); + /* Check the period and figure out the starting frame number */ if (!qh->bandwidth_reserved) { qh->period = urb->interval; - if (urb->transfer_flags & URB_ISO_ASAP) { - qh->phase = -1; /* Find the best phase */ - i = uhci_check_bandwidth(uhci, qh); - if (i) - return i; - - /* Allow a little time to allocate the TDs */ - uhci_get_current_frame_number(uhci); - frame = uhci->frame_number + 10; - - /* Move forward to the first frame having the - * correct phase */ - urb->start_frame = frame + ((qh->phase - frame) & - (qh->period - 1)); - } else { - i = urb->start_frame - uhci->last_iso_frame; - if (i <= 0 || i >= UHCI_NUMFRAMES) - return -EINVAL; - qh->phase = urb->start_frame & (qh->period - 1); - i = uhci_check_bandwidth(uhci, qh); - if (i) - return i; - } + qh->phase = -1; /* Find the best phase */ + i = uhci_check_bandwidth(uhci, qh); + if (i) + return i; + + /* Allow a little time to allocate the TDs */ + next = uhci->frame_number + 10; + frame = qh->phase; + + /* Round up to the first available slot */ + frame += (next - frame + qh->period - 1) & -qh->period; } else if (qh->period != urb->interval) { return -EINVAL; /* Can't change the period */ } else { + next = uhci->frame_number + 2; + /* Find the next unused frame */ if (list_empty(&qh->queue)) { frame = qh->iso_frame; @@ -1308,25 +1301,31 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, lurb->number_of_packets * lurb->interval; } - if (urb->transfer_flags & URB_ISO_ASAP) { - /* Skip some frames if necessary to insure - * the start frame is in the future. + + /* Fell behind? */ + if (uhci_frame_before_eq(frame, next)) { + + /* USB_ISO_ASAP: Round up to the first available slot */ + if (urb->transfer_flags & URB_ISO_ASAP) + frame += (next - frame + qh->period - 1) & + -qh->period; + + /* + * Not ASAP: Use the next slot in the stream. If + * the entire URB falls before the threshold, fail. */ - uhci_get_current_frame_number(uhci); - if (uhci_frame_before_eq(frame, uhci->frame_number)) { - frame = uhci->frame_number + 1; - frame += ((qh->phase - frame) & - (qh->period - 1)); - } - } /* Otherwise pick up where the last URB leaves off */ - urb->start_frame = frame; + else if (!uhci_frame_before_eq(next, + frame + (urb->number_of_packets - 1) * + qh->period)) + return -EXDEV; + } } /* Make sure we won't have to go too far into the future */ if (uhci_frame_before_eq(uhci->last_iso_frame + UHCI_NUMFRAMES, - urb->start_frame + urb->number_of_packets * - urb->interval)) + frame + urb->number_of_packets * urb->interval)) return -EFBIG; + urb->start_frame = frame; status = TD_CTRL_ACTIVE | TD_CTRL_IOS; destination = (urb->pipe & PIPE_DEVEP_MASK) | usb_packetid(urb->pipe); -- cgit v1.1 From 6a41b4d3fe8cd4cc95181516fc6fba7b1747a27c Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 1 Oct 2012 10:32:15 -0400 Subject: OHCI: implement new semantics for URB_ISO_ASAP This patch (as1614) updates the isochronous scheduling in ohci-hcd to match the new semantics for URB_ISO_ASAP. Testing revealed a hardware bug in the way my OHCI controller handles expired isochronous TDs; consequently the patch tries hard to avoid creating them (unlike the ehci-hcd and uhci-hcd drivers). Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hcd.c | 36 ++++++++++++++++++++++++++++++++---- drivers/usb/host/ohci-q.c | 4 ++-- 2 files changed, 34 insertions(+), 6 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 4a1d64d..cfc1da3 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -231,13 +231,41 @@ static int ohci_urb_enqueue ( frame &= ~(ed->interval - 1); frame |= ed->branch; urb->start_frame = frame; + } + } else if (ed->type == PIPE_ISOCHRONOUS) { + u16 next = ohci_frame_no(ohci) + 2; + u16 frame = ed->last_iso + ed->interval; + + /* Behind the scheduling threshold? */ + if (unlikely(tick_before(frame, next))) { - /* yes, only URB_ISO_ASAP is supported, and - * urb->start_frame is never used as input. + /* USB_ISO_ASAP: Round up to the first available slot */ + if (urb->transfer_flags & URB_ISO_ASAP) + frame += (next - frame + ed->interval - 1) & + -ed->interval; + + /* + * Not ASAP: Use the next slot in the stream. If + * the entire URB falls before the threshold, fail. */ + else if (tick_before(frame + ed->interval * + (urb->number_of_packets - 1), next)) { + retval = -EXDEV; + usb_hcd_unlink_urb_from_ep(hcd, urb); + goto fail; + } + + /* + * Some OHCI hardware doesn't handle late TDs + * correctly. After retiring them it proceeds to + * the next ED instead of the next TD. Therefore + * we have to omit the late TDs entirely. + */ + urb_priv->td_cnt = DIV_ROUND_UP(next - frame, + ed->interval); } - } else if (ed->type == PIPE_ISOCHRONOUS) - urb->start_frame = ed->last_iso + ed->interval; + urb->start_frame = frame; + } /* fill the TDs and link them to the ed; and * enable that part of the schedule, if needed diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index c5a1ea9..177a213 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -596,7 +596,6 @@ static void td_submit_urb ( urb_priv->ed->hwHeadP &= ~cpu_to_hc32 (ohci, ED_C); } - urb_priv->td_cnt = 0; list_add (&urb_priv->pending, &ohci->pending); if (data_len) @@ -672,7 +671,8 @@ static void td_submit_urb ( * we could often reduce the number of TDs here. */ case PIPE_ISOCHRONOUS: - for (cnt = 0; cnt < urb->number_of_packets; cnt++) { + for (cnt = urb_priv->td_cnt; cnt < urb->number_of_packets; + cnt++) { int frame = urb->start_frame; // FIXME scheduling should handle frame counter -- cgit v1.1 From 6efd0f73cc8d748bfcccb23a5ee0b7e000441940 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:15 +0200 Subject: USB: EHCI: remove IXP4xx EHCI driver This driver is not registered by any in-tree user. If needed it the EHCI driver can be reinstatied using the ehci-platform driver with caps_offset to 0x100. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 5 -- drivers/usb/host/ehci-ixp4xx.c | 139 ----------------------------------------- 2 files changed, 144 deletions(-) delete mode 100644 drivers/usb/host/ehci-ixp4xx.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 61eac96..0122700 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1249,11 +1249,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_orion_driver #endif -#ifdef CONFIG_ARCH_IXP4XX -#include "ehci-ixp4xx.c" -#define PLATFORM_DRIVER ixp4xx_ehci_driver -#endif - #ifdef CONFIG_USB_W90X900_EHCI #include "ehci-w90x900.c" #define PLATFORM_DRIVER ehci_hcd_w90x900_driver diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c deleted file mode 100644 index f224c0a..0000000 --- a/drivers/usb/host/ehci-ixp4xx.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * IXP4XX EHCI Host Controller Driver - * - * Author: Vladimir Barinov - * - * Based on "ehci-fsl.c" by Randy Vinson - * - * 2007 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include - -static int ixp4xx_ehci_init(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval = 0; - - ehci->big_endian_desc = 1; - ehci->big_endian_mmio = 1; - - ehci->caps = hcd->regs + 0x100; - - hcd->has_tt = 1; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - - return retval; -} - -static const struct hc_driver ixp4xx_ehci_hc_driver = { - .description = hcd_name, - .product_desc = "IXP4XX EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - .reset = ixp4xx_ehci_init, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - .get_frame_number = ehci_get_frame, - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, -#if defined(CONFIG_PM) - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, -#endif - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int ixp4xx_ehci_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - const struct hc_driver *driver = &ixp4xx_ehci_hc_driver; - struct resource *res; - int irq; - int retval; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no IRQ. Check %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - irq = res->start; - - hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) { - retval = -ENOMEM; - goto fail_create_hcd; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no register addr. Check %s setup!\n", - dev_name(&pdev->dev)); - retval = -ENODEV; - goto fail_request_resource; - } - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - hcd->regs = devm_request_and_ioremap(&pdev->dev, res); - if (hcd->regs == NULL) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - retval = -EFAULT; - goto fail_request_resource; - } - - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (retval) - goto fail_request_resource; - - return retval; - -fail_request_resource: - usb_put_hcd(hcd); -fail_create_hcd: - dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval); - return retval; -} - -static int ixp4xx_ehci_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - usb_put_hcd(hcd); - - return 0; -} - -MODULE_ALIAS("platform:ixp4xx-ehci"); - -static struct platform_driver ixp4xx_ehci_driver = { - .probe = ixp4xx_ehci_probe, - .remove = ixp4xx_ehci_remove, - .driver = { - .name = "ixp4xx-ehci", - }, -}; -- cgit v1.1 From 7bccfcd2eb09297e0406b38cfac8e1f3001964f3 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:16 +0200 Subject: USB: OHCI: remove ohci-pcc-soc driver. This driver is not registered by any in-tree users, and if really needed by some out of tree user, the same functionnality can be restored using the ohci-platform driver using the following platform_data parameters: big_endian_desc = 1 big_endian_mmio = 1 no_big_frame_no = 1 Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 10 -- drivers/usb/host/ohci-hcd.c | 5 - drivers/usb/host/ohci-ppc-soc.c | 216 ---------------------------------------- 3 files changed, 231 deletions(-) delete mode 100644 drivers/usb/host/ohci-ppc-soc.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 3f1431d..e6b64f6 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -333,16 +333,6 @@ config USB_OHCI_ATH79 Enables support for the built-in OHCI controller present on the Atheros AR71XX/AR7240 SoCs. -config USB_OHCI_HCD_PPC_SOC - bool "OHCI support for on-chip PPC USB controller" - depends on USB_OHCI_HCD && (STB03xxx || PPC_MPC52xx) - default y - select USB_OHCI_BIG_ENDIAN_DESC - select USB_OHCI_BIG_ENDIAN_MMIO - ---help--- - Enables support for the USB controller on the MPC52xx or - STB03xxx processor chip. If unsure, say Y. - config USB_OHCI_HCD_PPC_OF_BE bool "OHCI support for OF platform bus (big endian)" depends on USB_OHCI_HCD && PPC_OF diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index cfc1da3..4c4d652 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1067,11 +1067,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_pnx8550_driver #endif -#ifdef CONFIG_USB_OHCI_HCD_PPC_SOC -#include "ohci-ppc-soc.c" -#define PLATFORM_DRIVER ohci_hcd_ppc_soc_driver -#endif - #ifdef CONFIG_ARCH_AT91 #include "ohci-at91.c" #define PLATFORM_DRIVER ohci_hcd_at91_driver diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c deleted file mode 100644 index 185c39e..0000000 --- a/drivers/usb/host/ohci-ppc-soc.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * (C) Copyright 1999 Roman Weissgaerber - * (C) Copyright 2000-2002 David Brownell - * (C) Copyright 2002 Hewlett-Packard Company - * (C) Copyright 2003-2005 MontaVista Software Inc. - * - * Bus Glue for PPC On-Chip OHCI driver - * Tested on Freescale MPC5200 and IBM STB04xxx - * - * Modified by Dale Farnsworth from ohci-sa1111.c - * - * This file is licenced under the GPL. - */ - -#include -#include - -/* configure so an HC device and id are always provided */ -/* always called with process context; sleeping is OK */ - -/** - * usb_hcd_ppc_soc_probe - initialize On-Chip HCDs - * Context: !in_interrupt() - * - * Allocates basic resources for this USB host controller. - * - * Store this function in the HCD's struct pci_driver as probe(). - */ -static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver, - struct platform_device *pdev) -{ - int retval; - struct usb_hcd *hcd; - struct ohci_hcd *ohci; - struct resource *res; - int irq; - - pr_debug("initializing PPC-SOC USB Controller\n"); - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - pr_debug("%s: no irq\n", __FILE__); - return -ENODEV; - } - irq = res->start; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - pr_debug("%s: no reg addr\n", __FILE__); - return -ENODEV; - } - - hcd = usb_create_hcd(driver, &pdev->dev, "PPC-SOC USB"); - if (!hcd) - return -ENOMEM; - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("%s: request_mem_region failed\n", __FILE__); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("%s: ioremap failed\n", __FILE__); - retval = -ENOMEM; - goto err2; - } - - ohci = hcd_to_ohci(hcd); - ohci->flags |= OHCI_QUIRK_BE_MMIO | OHCI_QUIRK_BE_DESC; - -#ifdef CONFIG_PPC_MPC52xx - /* MPC52xx doesn't need frame_no shift */ - ohci->flags |= OHCI_QUIRK_FRAME_NO; -#endif - ohci_hcd_init(ohci); - - retval = usb_add_hcd(hcd, irq, 0); - if (retval == 0) - return retval; - - pr_debug("Removing PPC-SOC USB Controller\n"); - - iounmap(hcd->regs); - err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - err1: - usb_put_hcd(hcd); - return retval; -} - - -/* may be called without controller electrically present */ -/* may be called with controller, bus, and devices active */ - -/** - * usb_hcd_ppc_soc_remove - shutdown processing for On-Chip HCDs - * @pdev: USB Host Controller being removed - * Context: !in_interrupt() - * - * Reverses the effect of usb_hcd_ppc_soc_probe(). - * It is always called from a thread - * context, normally "rmmod", "apmd", or something similar. - * - */ -static void usb_hcd_ppc_soc_remove(struct usb_hcd *hcd, - struct platform_device *pdev) -{ - usb_remove_hcd(hcd); - - pr_debug("stopping PPC-SOC USB Controller\n"); - - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); -} - -static int __devinit -ohci_ppc_soc_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - if ((ret = ohci_init(ohci)) < 0) - return ret; - - if ((ret = ohci_run(ohci)) < 0) { - dev_err(hcd->self.controller, "can't start %s\n", - hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - - return 0; -} - -static const struct hc_driver ohci_ppc_soc_hc_driver = { - .description = hcd_name, - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_ppc_soc_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_hcd_ppc_soc_drv_probe(struct platform_device *pdev) -{ - int ret; - - if (usb_disabled()) - return -ENODEV; - - ret = usb_hcd_ppc_soc_probe(&ohci_ppc_soc_hc_driver, pdev); - return ret; -} - -static int ohci_hcd_ppc_soc_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_hcd_ppc_soc_remove(hcd, pdev); - return 0; -} - -static struct platform_driver ohci_hcd_ppc_soc_driver = { - .probe = ohci_hcd_ppc_soc_drv_probe, - .remove = ohci_hcd_ppc_soc_drv_remove, - .shutdown = usb_hcd_platform_shutdown, -#ifdef CONFIG_PM - /*.suspend = ohci_hcd_ppc_soc_drv_suspend,*/ - /*.resume = ohci_hcd_ppc_soc_drv_resume,*/ -#endif - .driver = { - .name = "ppc-soc-ohci", - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS("platform:ppc-soc-ohci"); -- cgit v1.1 From ead92fae12902e3cfb79e8747c20b85c4b1f5414 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:18 +0200 Subject: USB: EHCI: remove Loongson 1B EHCI driver. The platform code registering the Loongson 1B EHCI driver has now been converted to register the ehci-platform driver instead, thus obsoleting the ehci-ls1x driver, which can be removed. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 5 -- drivers/usb/host/ehci-ls1x.c | 147 ------------------------------------------- 2 files changed, 152 deletions(-) delete mode 100644 drivers/usb/host/ehci-ls1x.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 0122700..1f7c14b 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1319,11 +1319,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_mv_driver #endif -#ifdef CONFIG_MACH_LOONGSON1 -#include "ehci-ls1x.c" -#define PLATFORM_DRIVER ehci_ls1x_driver -#endif - #ifdef CONFIG_MIPS_SEAD3 #include "ehci-sead3.c" #define PLATFORM_DRIVER ehci_hcd_sead3_driver diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c deleted file mode 100644 index ca75965..0000000 --- a/drivers/usb/host/ehci-ls1x.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Bus Glue for Loongson LS1X built-in EHCI controller. - * - * Copyright (c) 2012 Zhang, Keguang - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - - -#include - -static int ehci_ls1x_reset(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int ret; - - ehci->caps = hcd->regs; - - ret = ehci_setup(hcd); - if (ret) - return ret; - - ehci_port_power(ehci, 0); - - return 0; -} - -static const struct hc_driver ehci_ls1x_hc_driver = { - .description = hcd_name, - .product_desc = "LOONGSON1 EHCI", - .hcd_priv_size = sizeof(struct ehci_hcd), - - /* - * generic hardware linkage - */ - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - /* - * basic lifecycle operations - */ - .reset = ehci_ls1x_reset, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - /* - * scheduling support - */ - .get_frame_number = ehci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int ehci_hcd_ls1x_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - int irq; - int ret; - - pr_debug("initializing loongson1 ehci USB Controller\n"); - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no IRQ. Check %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - irq = res->start; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no register addr. Check %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - - hcd = usb_create_hcd(&ehci_ls1x_hc_driver, &pdev->dev, - dev_name(&pdev->dev)); - if (!hcd) - return -ENOMEM; - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - hcd->regs = devm_request_and_ioremap(&pdev->dev, res); - if (hcd->regs == NULL) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - ret = -EFAULT; - goto err_put_hcd; - } - - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) - goto err_put_hcd; - - return ret; - -err_put_hcd: - usb_put_hcd(hcd); - return ret; -} - -static int ehci_hcd_ls1x_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - usb_put_hcd(hcd); - - return 0; -} - -static struct platform_driver ehci_ls1x_driver = { - .probe = ehci_hcd_ls1x_probe, - .remove = ehci_hcd_ls1x_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "ls1x-ehci", - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ls1x-ehci"); -- cgit v1.1 From 6d39944ee85fb46cd499b16231cbb10a00e3d878 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:20 +0200 Subject: USB: EHCI: remove Netlogic XLS EHCI driver The platform code has been migrated to register the ehci-platform driver, thus obsoleting the ehci-xls driver, which can be removed. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 5 -- drivers/usb/host/ehci-xls.c | 142 -------------------------------------------- 2 files changed, 147 deletions(-) delete mode 100644 drivers/usb/host/ehci-xls.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 1f7c14b..6202407 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1309,11 +1309,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_grlib_driver #endif -#ifdef CONFIG_CPU_XLR -#include "ehci-xls.c" -#define PLATFORM_DRIVER ehci_xls_driver -#endif - #ifdef CONFIG_USB_EHCI_MV #include "ehci-mv.c" #define PLATFORM_DRIVER ehci_mv_driver diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c deleted file mode 100644 index 8dc6a22..0000000 --- a/drivers/usb/host/ehci-xls.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * EHCI HCD for Netlogic XLS processors. - * - * (C) Copyright 2011 Netlogic Microsystems Inc. - * - * Based on various ehci-*.c drivers - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - */ - -#include - -static int ehci_xls_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - - ehci->caps = hcd->regs; - - return ehci_setup(hcd); -} - -int ehci_xls_probe_internal(const struct hc_driver *driver, - struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - int retval, irq; - - /* Get our IRQ from an earlier registered Platform Resource */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "Found HC with no IRQ. Check %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - - /* Get our Memory Handle */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "Error: MMIO Handle %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) { - retval = -ENOMEM; - goto err1; - } - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, - driver->description)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - retval = -EBUSY; - goto err2; - } - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); - - if (hcd->regs == NULL) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - retval = -EFAULT; - goto err3; - } - - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (retval != 0) - goto err4; - return retval; - -err4: - iounmap(hcd->regs); -err3: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err2: - usb_put_hcd(hcd); -err1: - dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), - retval); - return retval; -} - -static struct hc_driver ehci_xls_hc_driver = { - .description = hcd_name, - .product_desc = "XLS EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - .irq = ehci_irq, - .flags = HCD_USB2 | HCD_MEMORY, - .reset = ehci_xls_setup, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - .get_frame_number = ehci_get_frame, - - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int ehci_xls_probe(struct platform_device *pdev) -{ - if (usb_disabled()) - return -ENODEV; - - return ehci_xls_probe_internal(&ehci_xls_hc_driver, pdev); -} - -static int ehci_xls_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - return 0; -} - -MODULE_ALIAS("ehci-xls"); - -static struct platform_driver ehci_xls_driver = { - .probe = ehci_xls_probe, - .remove = ehci_xls_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "ehci-xls", - }, -}; -- cgit v1.1 From 4534874a8720a361845dce47d310a98e9aac8aeb Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:21 +0200 Subject: USB: EHCI: add no_io_watchdog platform_data parameter to ehci-platform Enhance the ehci-platform driver to also accept no_io_watchdog as a platform data parameter. When no_io_watchdog is set to 1, the ehci controller will set ehci->need_io_watchdog to 0. Since most EHCI controllers do need the I/O watchdog to be on, only let those which need it to turn the watchdog off. Make sure that we change need_io_watchdog after the call to ehci_setup() because ehci_setup() will unconditionnaly set need_io_watchdog to 1. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-platform.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 764e010..607adf9 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -38,6 +38,8 @@ static int ehci_platform_reset(struct usb_hcd *hcd) if (retval) return retval; + if (pdata->no_io_watchdog) + ehci->need_io_watchdog = 0; if (pdata->port_power_on) ehci_port_power(ehci, 1); if (pdata->port_power_off) -- cgit v1.1 From 1de7d89c76350de456143503d52447a466b4025e Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:23 +0200 Subject: USB: EHCI: remove Alchemy EHCI driver The platform code has been converted to use the ehci-platform driver instead thus obsoleting the ehci-au1xxx driver, which can be removed. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-au1xxx.c | 184 ----------------------------------------- drivers/usb/host/ehci-hcd.c | 5 -- 2 files changed, 189 deletions(-) delete mode 100644 drivers/usb/host/ehci-au1xxx.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c deleted file mode 100644 index 65c945e..0000000 --- a/drivers/usb/host/ehci-au1xxx.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * EHCI HCD (Host Controller Driver) for USB. - * - * Bus Glue for AMD Alchemy Au1xxx - * - * Based on "ohci-au1xxx.c" by Matt Porter - * - * Modified for AMD Alchemy Au1200 EHC - * by K.Boge - * - * This file is licenced under the GPL. - */ - -#include -#include - - -extern int usb_disabled(void); - -static int au1xxx_ehci_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int ret; - - ehci->caps = hcd->regs; - ret = ehci_setup(hcd); - - ehci->need_io_watchdog = 0; - return ret; -} - -static const struct hc_driver ehci_au1xxx_hc_driver = { - .description = hcd_name, - .product_desc = "Au1xxx EHCI", - .hcd_priv_size = sizeof(struct ehci_hcd), - - /* - * generic hardware linkage - */ - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - /* - * basic lifecycle operations - * - * FIXME -- ehci_init() doesn't do enough here. - * See ehci-ppc-soc for a complete implementation. - */ - .reset = au1xxx_ehci_setup, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - /* - * scheduling support - */ - .get_frame_number = ehci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - int ret; - - if (usb_disabled()) - return -ENODEV; - - if (pdev->resource[1].flags != IORESOURCE_IRQ) { - pr_debug("resource[1] is not IORESOURCE_IRQ"); - return -ENOMEM; - } - hcd = usb_create_hcd(&ehci_au1xxx_hc_driver, &pdev->dev, "Au1xxx"); - if (!hcd) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - hcd->regs = devm_request_and_ioremap(&pdev->dev, res); - if (!hcd->regs) { - pr_debug("devm_request_and_ioremap failed"); - ret = -ENOMEM; - goto err1; - } - - if (alchemy_usb_control(ALCHEMY_USB_EHCI0, 1)) { - printk(KERN_INFO "%s: controller init failed!\n", pdev->name); - ret = -ENODEV; - goto err1; - } - - ret = usb_add_hcd(hcd, pdev->resource[1].start, - IRQF_SHARED); - if (ret == 0) { - platform_set_drvdata(pdev, hcd); - return ret; - } - - alchemy_usb_control(ALCHEMY_USB_EHCI0, 0); -err1: - usb_put_hcd(hcd); - return ret; -} - -static int ehci_hcd_au1xxx_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - alchemy_usb_control(ALCHEMY_USB_EHCI0, 0); - usb_put_hcd(hcd); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -#ifdef CONFIG_PM -static int ehci_hcd_au1xxx_drv_suspend(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - bool do_wakeup = device_may_wakeup(dev); - int rc; - - rc = ehci_suspend(hcd, do_wakeup); - alchemy_usb_control(ALCHEMY_USB_EHCI0, 0); - - return rc; -} - -static int ehci_hcd_au1xxx_drv_resume(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - - alchemy_usb_control(ALCHEMY_USB_EHCI0, 1); - ehci_resume(hcd, false); - - return 0; -} - -static const struct dev_pm_ops au1xxx_ehci_pmops = { - .suspend = ehci_hcd_au1xxx_drv_suspend, - .resume = ehci_hcd_au1xxx_drv_resume, -}; - -#define AU1XXX_EHCI_PMOPS &au1xxx_ehci_pmops - -#else -#define AU1XXX_EHCI_PMOPS NULL -#endif - -static struct platform_driver ehci_hcd_au1xxx_driver = { - .probe = ehci_hcd_au1xxx_drv_probe, - .remove = ehci_hcd_au1xxx_drv_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "au1xxx-ehci", - .owner = THIS_MODULE, - .pm = AU1XXX_EHCI_PMOPS, - } -}; - -MODULE_ALIAS("platform:au1xxx-ehci"); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6202407..add37bc 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1219,11 +1219,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_hcd_sh_driver #endif -#ifdef CONFIG_MIPS_ALCHEMY -#include "ehci-au1xxx.c" -#define PLATFORM_DRIVER ehci_hcd_au1xxx_driver -#endif - #ifdef CONFIG_USB_EHCI_HCD_OMAP #include "ehci-omap.c" #define PLATFORM_DRIVER ehci_hcd_omap_driver -- cgit v1.1 From f3a958d30dd1ceac83a3b82b5260475c7697d53a Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:25 +0200 Subject: USB: EHCI: remove CNS3xxx EHCI platform driver The users have been converted to use the ehci platform driver instead, thus making the ehci-cns3xxx driver obsolete, so remove it. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 6 +- drivers/usb/host/ehci-cns3xxx.c | 155 ---------------------------------------- drivers/usb/host/ehci-hcd.c | 5 -- 3 files changed, 5 insertions(+), 161 deletions(-) delete mode 100644 drivers/usb/host/ehci-cns3xxx.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index e6b64f6..d21c007 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -215,9 +215,13 @@ config USB_W90X900_EHCI Enables support for the W90X900 USB controller config USB_CNS3XXX_EHCI - bool "Cavium CNS3XXX EHCI Module" + bool "Cavium CNS3XXX EHCI Module (DEPRECATED)" depends on USB_EHCI_HCD && ARCH_CNS3XXX + select USB_EHCI_HCD_PLATFORM ---help--- + This option is deprecated now and the driver was removed, use + USB_EHCI_HCD_PLATFORM instead. + Enable support for the CNS3XXX SOC's on-chip EHCI controller. It is needed for high-speed (480Mbit/sec) USB 2.0 device support. diff --git a/drivers/usb/host/ehci-cns3xxx.c b/drivers/usb/host/ehci-cns3xxx.c deleted file mode 100644 index d91708d..0000000 --- a/drivers/usb/host/ehci-cns3xxx.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright 2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include - -static int cns3xxx_ehci_init(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - * - * Set USB AHB INCR length to 16 - */ - if (atomic_inc_return(&usb_pwr_ref) == 1) { - cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); - cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); - cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST); - __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)), - MISC_CHIP_CONFIG_REG); - } - - ehci->caps = hcd->regs; - - hcd->has_tt = 0; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - - return retval; -} - -static const struct hc_driver cns3xxx_ehci_hc_driver = { - .description = hcd_name, - .product_desc = "CNS3XXX EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - .reset = cns3xxx_ehci_init, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - .get_frame_number = ehci_get_frame, - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, -#endif - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int cns3xxx_ehci_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct usb_hcd *hcd; - const struct hc_driver *driver = &cns3xxx_ehci_hc_driver; - struct resource *res; - int irq; - int retval; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(dev, "Found HC with no IRQ.\n"); - return -ENODEV; - } - irq = res->start; - - hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "Found HC with no register addr.\n"); - retval = -ENODEV; - goto err1; - } - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - hcd->regs = devm_request_and_ioremap(&pdev->dev, res); - if (hcd->regs == NULL) { - dev_dbg(dev, "error mapping memory\n"); - retval = -EFAULT; - goto err1; - } - - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (retval == 0) - return retval; - -err1: - usb_put_hcd(hcd); - - return retval; -} - -static int cns3xxx_ehci_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - */ - if (atomic_dec_return(&usb_pwr_ref) == 0) - cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); - - usb_put_hcd(hcd); - - platform_set_drvdata(pdev, NULL); - - return 0; -} - -MODULE_ALIAS("platform:cns3xxx-ehci"); - -static struct platform_driver cns3xxx_ehci_driver = { - .probe = cns3xxx_ehci_probe, - .remove = cns3xxx_ehci_remove, - .driver = { - .name = "cns3xxx-ehci", - }, -}; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index add37bc..28fb5dd 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1259,11 +1259,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_octeon_driver #endif -#ifdef CONFIG_USB_CNS3XXX_EHCI -#include "ehci-cns3xxx.c" -#define PLATFORM_DRIVER cns3xxx_ehci_driver -#endif - #ifdef CONFIG_ARCH_VT8500 #include "ehci-vt8500.c" #define PLATFORM_DRIVER vt8500_ehci_driver -- cgit v1.1 From 2b16e39ee0a431d6cf6e6ca33bb08ec7dc82073f Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:26 +0200 Subject: USB: ohci: allow platform driver to specify the number of ports This patch modifies the ohci platform driver to accept the num_ports parameter to be set via platform_data. Setting the number of ports must be done after the call to ohci_hcd_init(). Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-platform.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index e24ec9f..1caaf65 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -31,6 +31,10 @@ static int ohci_platform_reset(struct usb_hcd *hcd) ohci->flags |= OHCI_QUIRK_FRAME_NO; ohci_hcd_init(ohci); + + if (pdata->num_ports) + ohci->num_ports = pdata->num_ports; + err = ohci_init(ohci); return err; -- cgit v1.1 From cd1965db054eeace344487b9c8560439961f5f55 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:27 +0200 Subject: USB: ohci: move ohci_pci_{suspend,resume} to ohci-hcd.c As suggested by Alan Stern, move the ohci-pci.c ohci_pci_{suspend,resume} routines to ohci-hcd.c. Due to their move, also rename them to ohci_{suspend,resume} to make it clear they operate on ohci_hcd. Since they are not necessarily called, annotate them with __maybe_unused, and make them enclosed within an #ifdef CONFIG_PM / #endif section. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hcd.c | 43 +++++++++++++++++++++++++++++++++++++++++ drivers/usb/host/ohci-pci.c | 47 ++------------------------------------------- 2 files changed, 45 insertions(+), 45 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 4c4d652..1382689 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1011,6 +1011,49 @@ static int ohci_restart (struct ohci_hcd *ohci) #endif +#ifdef CONFIG_PM + +static int __maybe_unused ohci_suspend(struct usb_hcd *hcd, bool do_wakeup) +{ + struct ohci_hcd *ohci = hcd_to_ohci (hcd); + unsigned long flags; + int rc = 0; + + /* Root hub was already suspended. Disable irq emission and + * mark HW unaccessible, bail out if RH has been resumed. Use + * the spinlock to properly synchronize with possible pending + * RH suspend or resume activity. + */ + spin_lock_irqsave (&ohci->lock, flags); + if (ohci->rh_state != OHCI_RH_SUSPENDED) { + rc = -EINVAL; + goto bail; + } + ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); + (void)ohci_readl(ohci, &ohci->regs->intrdisable); + + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + bail: + spin_unlock_irqrestore (&ohci->lock, flags); + + return rc; +} + + +static int __maybe_unused ohci_resume(struct usb_hcd *hcd, bool hibernated) +{ + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + + /* Make sure resume from hibernation re-enumerates everything */ + if (hibernated) + ohci_usb_reset(hcd_to_ohci(hcd)); + + ohci_finish_controller_resume(hcd); + return 0; +} + +#endif + /*-------------------------------------------------------------------------*/ MODULE_AUTHOR (DRIVER_AUTHOR); diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 1843bb6..6afa7dc 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -296,49 +296,6 @@ static int __devinit ohci_pci_start (struct usb_hcd *hcd) return ret; } -#ifdef CONFIG_PM - -static int ohci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) -{ - struct ohci_hcd *ohci = hcd_to_ohci (hcd); - unsigned long flags; - int rc = 0; - - /* Root hub was already suspended. Disable irq emission and - * mark HW unaccessible, bail out if RH has been resumed. Use - * the spinlock to properly synchronize with possible pending - * RH suspend or resume activity. - */ - spin_lock_irqsave (&ohci->lock, flags); - if (ohci->rh_state != OHCI_RH_SUSPENDED) { - rc = -EINVAL; - goto bail; - } - ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); - (void)ohci_readl(ohci, &ohci->regs->intrdisable); - - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - bail: - spin_unlock_irqrestore (&ohci->lock, flags); - - return rc; -} - - -static int ohci_pci_resume(struct usb_hcd *hcd, bool hibernated) -{ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - - /* Make sure resume from hibernation re-enumerates everything */ - if (hibernated) - ohci_usb_reset(hcd_to_ohci(hcd)); - - ohci_finish_controller_resume(hcd); - return 0; -} - -#endif /* CONFIG_PM */ - /*-------------------------------------------------------------------------*/ @@ -362,8 +319,8 @@ static const struct hc_driver ohci_pci_hc_driver = { .shutdown = ohci_shutdown, #ifdef CONFIG_PM - .pci_suspend = ohci_pci_suspend, - .pci_resume = ohci_pci_resume, + .pci_suspend = ohci_suspend, + .pci_resume = ohci_resume, #endif /* -- cgit v1.1 From d4ae47dc5670efecd2214110caf33dfc0ff7191f Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:28 +0200 Subject: USB: ohci: remove check for RH already suspended in ohci_suspend As suggested by Alan Stern, the code checking for the OHCI RH already suspended is no longer required since the bug it fixes has not been seen in ages. Remove that check making ohci_suspend much simpler. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hcd.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 1382689..7666329 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1017,26 +1017,19 @@ static int __maybe_unused ohci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); unsigned long flags; - int rc = 0; - /* Root hub was already suspended. Disable irq emission and - * mark HW unaccessible, bail out if RH has been resumed. Use + /* Disable irq emission and mark HW unaccessible. Use * the spinlock to properly synchronize with possible pending * RH suspend or resume activity. */ spin_lock_irqsave (&ohci->lock, flags); - if (ohci->rh_state != OHCI_RH_SUSPENDED) { - rc = -EINVAL; - goto bail; - } ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); (void)ohci_readl(ohci, &ohci->regs->intrdisable); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - bail: spin_unlock_irqrestore (&ohci->lock, flags); - return rc; + return 0; } -- cgit v1.1 From cfa49b4b88fe14d2b5792f2ea7ba5b88c8cd1d15 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:29 +0200 Subject: USB: ohci: merge ohci_finish_controller_resume with ohci_resume Merge ohci_finish_controller_resume with ohci_resume as suggested by Alan Stern. Since ohci_finish_controller_resume no longer exists, update the various OHCI drivers to call ohci_resume() instead. Some drivers used to set themselves the bit HCD_FLAG_HW_ACCESSIBLE, which is now handled by ohci_resume(). Acked-by: Jingoo Han Acked-by: Nicolas Ferre Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-at91.c | 2 +- drivers/usb/host/ohci-ep93xx.c | 2 +- drivers/usb/host/ohci-exynos.c | 5 +---- drivers/usb/host/ohci-hcd.c | 41 +++++++++++++++++++++++++++++++++++++-- drivers/usb/host/ohci-hub.c | 42 ---------------------------------------- drivers/usb/host/ohci-omap.c | 2 +- drivers/usb/host/ohci-platform.c | 2 +- drivers/usb/host/ohci-pxa27x.c | 2 +- drivers/usb/host/ohci-s3c2410.c | 3 +-- drivers/usb/host/ohci-spear.c | 2 +- drivers/usb/host/ohci-tmio.c | 2 +- 11 files changed, 48 insertions(+), 57 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 0bf72f9..908d84a 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -705,7 +705,7 @@ static int ohci_hcd_at91_drv_resume(struct platform_device *pdev) if (!clocked) at91_start_clock(); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #else diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c index dbfbd1d..a982f04 100644 --- a/drivers/usb/host/ohci-ep93xx.c +++ b/drivers/usb/host/ohci-ep93xx.c @@ -194,7 +194,7 @@ static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev) ep93xx_start_hc(&pdev->dev); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #endif diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 20a5008..929a494 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -252,10 +252,7 @@ static int exynos_ohci_resume(struct device *dev) if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); - /* Mark hardware accessible again as we are out of D3 state by now */ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 7666329..bac6626 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1035,13 +1035,50 @@ static int __maybe_unused ohci_suspend(struct usb_hcd *hcd, bool do_wakeup) static int __maybe_unused ohci_resume(struct usb_hcd *hcd, bool hibernated) { + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + int port; + bool need_reinit = false; + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); /* Make sure resume from hibernation re-enumerates everything */ if (hibernated) - ohci_usb_reset(hcd_to_ohci(hcd)); + ohci_usb_reset(ohci); + + /* See if the controller is already running or has been reset */ + ohci->hc_control = ohci_readl(ohci, &ohci->regs->control); + if (ohci->hc_control & (OHCI_CTRL_IR | OHCI_SCHED_ENABLES)) { + need_reinit = true; + } else { + switch (ohci->hc_control & OHCI_CTRL_HCFS) { + case OHCI_USB_OPER: + case OHCI_USB_RESET: + need_reinit = true; + } + } + + /* If needed, reinitialize and suspend the root hub */ + if (need_reinit) { + spin_lock_irq(&ohci->lock); + ohci_rh_resume(ohci); + ohci_rh_suspend(ohci, 0); + spin_unlock_irq(&ohci->lock); + } + + /* Normally just turn on port power and enable interrupts */ + else { + ohci_dbg(ohci, "powerup ports\n"); + for (port = 0; port < ohci->num_ports; port++) + ohci_writel(ohci, RH_PS_PPS, + &ohci->regs->roothub.portstatus[port]); + + ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrenable); + ohci_readl(ohci, &ohci->regs->intrenable); + msleep(20); + } + + usb_hcd_resume_root_hub(hcd); - ohci_finish_controller_resume(hcd); return 0; } diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 2f3619e..db09dae 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -316,48 +316,6 @@ static int ohci_bus_resume (struct usb_hcd *hcd) return rc; } -/* Carry out the final steps of resuming the controller device */ -static void __maybe_unused ohci_finish_controller_resume(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int port; - bool need_reinit = false; - - /* See if the controller is already running or has been reset */ - ohci->hc_control = ohci_readl(ohci, &ohci->regs->control); - if (ohci->hc_control & (OHCI_CTRL_IR | OHCI_SCHED_ENABLES)) { - need_reinit = true; - } else { - switch (ohci->hc_control & OHCI_CTRL_HCFS) { - case OHCI_USB_OPER: - case OHCI_USB_RESET: - need_reinit = true; - } - } - - /* If needed, reinitialize and suspend the root hub */ - if (need_reinit) { - spin_lock_irq(&ohci->lock); - ohci_rh_resume(ohci); - ohci_rh_suspend(ohci, 0); - spin_unlock_irq(&ohci->lock); - } - - /* Normally just turn on port power and enable interrupts */ - else { - ohci_dbg(ohci, "powerup ports\n"); - for (port = 0; port < ohci->num_ports; port++) - ohci_writel(ohci, RH_PS_PPS, - &ohci->regs->roothub.portstatus[port]); - - ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrenable); - ohci_readl(ohci, &ohci->regs->intrenable); - msleep(20); - } - - usb_hcd_resume_root_hub(hcd); -} - /* Carry out polling-, autostop-, and autoresume-related state changes */ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, int any_connected, int rhsc_status) diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 4531d03..733c77c 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -530,7 +530,7 @@ static int ohci_omap_resume(struct platform_device *dev) ohci->next_statechange = jiffies; omap_ohci_clock_power(1); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 1caaf65..99d1755 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -203,7 +203,7 @@ static int ohci_platform_resume(struct device *dev) return err; } - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 2bf1144..156d289 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -591,7 +591,7 @@ static int ohci_hcd_pxa27x_drv_resume(struct device *dev) /* Select Power Management Mode */ pxa27x_ohci_select_pmm(ohci, inf->port_mode); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 0d2309c..281d5c6 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -524,8 +524,7 @@ static int ohci_hcd_s3c2410_drv_resume(struct device *dev) s3c2410_start_hc(pdev, hcd); - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index fc7305e..d607be3 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -231,7 +231,7 @@ static int spear_ohci_hcd_drv_resume(struct platform_device *dev) ohci->next_statechange = jiffies; spear_start_ohci(ohci_p); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #endif diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 60c2b07..2c9ab8f 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -352,7 +352,7 @@ static int ohci_hcd_tmio_drv_resume(struct platform_device *dev) spin_unlock_irqrestore(&tmio->lock, flags); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } -- cgit v1.1 From 60da65f966437d1212c99df89deb479b0697620a Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:31 +0200 Subject: USB: OHCI: remove PNX8550 OHCI driver The users have been converted to use the platform OHCI driver instead, thus making the ohci-pnx8550 driver obsolete, so remove it. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hcd.c | 5 - drivers/usb/host/ohci-pnx8550.c | 243 ---------------------------------------- 2 files changed, 248 deletions(-) delete mode 100644 drivers/usb/host/ohci-pnx8550.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index bac6626..b8f2ead 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1135,11 +1135,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_au1xxx_driver #endif -#ifdef CONFIG_PNX8550 -#include "ohci-pnx8550.c" -#define PLATFORM_DRIVER ohci_hcd_pnx8550_driver -#endif - #ifdef CONFIG_ARCH_AT91 #include "ohci-at91.c" #define PLATFORM_DRIVER ohci_hcd_at91_driver diff --git a/drivers/usb/host/ohci-pnx8550.c b/drivers/usb/host/ohci-pnx8550.c deleted file mode 100644 index 148d27d..0000000 --- a/drivers/usb/host/ohci-pnx8550.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * (C) Copyright 1999 Roman Weissgaerber - * (C) Copyright 2000-2002 David Brownell - * (C) Copyright 2002 Hewlett-Packard Company - * (C) Copyright 2005 Embedded Alley Solutions, Inc. - * - * Bus Glue for PNX8550 - * - * Written by Christopher Hoover - * Based on fragments of previous driver by Russell King et al. - * - * Modified for LH7A404 from ohci-sa1111.c - * by Durgesh Pattamatta - * - * Modified for PNX8550 from ohci-sa1111.c and sa-omap.c - * by Vitaly Wool - * - * This file is licenced under the GPL. - */ - -#include -#include -#include -#include -#include - -#ifndef CONFIG_PNX8550 -#error "This file is PNX8550 bus glue. CONFIG_PNX8550 must be defined." -#endif - -extern int usb_disabled(void); - -/*-------------------------------------------------------------------------*/ - -static void pnx8550_start_hc(struct platform_device *dev) -{ - /* - * Set register CLK48CTL to enable and 48MHz - */ - outl(0x00000003, PCI_BASE | 0x0004770c); - - /* - * Set register CLK12CTL to enable and 48MHz - */ - outl(0x00000003, PCI_BASE | 0x00047710); - - udelay(100); -} - -static void pnx8550_stop_hc(struct platform_device *dev) -{ - udelay(10); -} - - -/*-------------------------------------------------------------------------*/ - -/* configure so an HC device and id are always provided */ -/* always called with process context; sleeping is OK */ - - -/** - * usb_hcd_pnx8550_probe - initialize pnx8550-based HCDs - * Context: !in_interrupt() - * - * Allocates basic resources for this USB host controller, and - * then invokes the start() method for the HCD associated with it - * through the hotplug entry's driver_data. - * - */ -int usb_hcd_pnx8550_probe (const struct hc_driver *driver, - struct platform_device *dev) -{ - int retval; - struct usb_hcd *hcd; - - if (dev->resource[0].flags != IORESOURCE_MEM || - dev->resource[1].flags != IORESOURCE_IRQ) { - dev_err (&dev->dev,"invalid resource type\n"); - return -ENOMEM; - } - - hcd = usb_create_hcd (driver, &dev->dev, "pnx8550"); - if (!hcd) - return -ENOMEM; - hcd->rsrc_start = dev->resource[0].start; - hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1; - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_err(&dev->dev, "request_mem_region [0x%08llx, 0x%08llx] " - "failed\n", hcd->rsrc_start, hcd->rsrc_len); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_err(&dev->dev, "ioremap [[0x%08llx, 0x%08llx] failed\n", - hcd->rsrc_start, hcd->rsrc_len); - retval = -ENOMEM; - goto err2; - } - - pnx8550_start_hc(dev); - - ohci_hcd_init(hcd_to_ohci(hcd)); - - retval = usb_add_hcd(hcd, dev->resource[1].start, 0); - if (retval == 0) - return retval; - - pnx8550_stop_hc(dev); - iounmap(hcd->regs); - err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - err1: - usb_put_hcd(hcd); - return retval; -} - - -/* may be called without controller electrically present */ -/* may be called with controller, bus, and devices active */ - -/** - * usb_hcd_pnx8550_remove - shutdown processing for pnx8550-based HCDs - * @dev: USB Host Controller being removed - * Context: !in_interrupt() - * - * Reverses the effect of usb_hcd_pnx8550_probe(), first invoking - * the HCD's stop() method. It is always called from a thread - * context, normally "rmmod", "apmd", or something similar. - * - */ -void usb_hcd_pnx8550_remove (struct usb_hcd *hcd, struct platform_device *dev) -{ - usb_remove_hcd(hcd); - pnx8550_stop_hc(dev); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); -} - -/*-------------------------------------------------------------------------*/ - -static int __devinit -ohci_pnx8550_start (struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci (hcd); - int ret; - - ohci_dbg (ohci, "ohci_pnx8550_start, ohci:%p", ohci); - - if ((ret = ohci_init(ohci)) < 0) - return ret; - - if ((ret = ohci_run (ohci)) < 0) { - dev_err(hcd->self.controller, "can't start %s", - hcd->self.bus_name); - ohci_stop (hcd); - return ret; - } - - return 0; -} - -/*-------------------------------------------------------------------------*/ - -static const struct hc_driver ohci_pnx8550_hc_driver = { - .description = hcd_name, - .product_desc = "PNX8550 OHCI", - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_pnx8550_start, - .stop = ohci_stop, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -/*-------------------------------------------------------------------------*/ - -static int ohci_hcd_pnx8550_drv_probe(struct platform_device *pdev) -{ - int ret; - - if (usb_disabled()) - return -ENODEV; - - ret = usb_hcd_pnx8550_probe(&ohci_pnx8550_hc_driver, pdev); - return ret; -} - -static int ohci_hcd_pnx8550_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_hcd_pnx8550_remove(hcd, pdev); - return 0; -} - -MODULE_ALIAS("platform:pnx8550-ohci"); - -static struct platform_driver ohci_hcd_pnx8550_driver = { - .driver = { - .name = "pnx8550-ohci", - .owner = THIS_MODULE, - }, - .probe = ohci_hcd_pnx8550_drv_probe, - .remove = ohci_hcd_pnx8550_drv_remove, -}; - -- cgit v1.1 From c23920b05be41998dc8e5796eb874df098a97e9f Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:33 +0200 Subject: USB: OHCI: remove CNS3xxx OHCI platform driver All users have been converted to use the OHCI platform driver instead, thus making ohci-cns3xxx, so remove it. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 6 +- drivers/usb/host/ohci-cns3xxx.c | 166 ---------------------------------------- drivers/usb/host/ohci-hcd.c | 5 -- 3 files changed, 5 insertions(+), 172 deletions(-) delete mode 100644 drivers/usb/host/ohci-cns3xxx.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index d21c007..e43c9c8 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -400,9 +400,13 @@ config USB_OHCI_EXYNOS Enable support for the Samsung Exynos SOC's on-chip OHCI controller. config USB_CNS3XXX_OHCI - bool "Cavium CNS3XXX OHCI Module" + bool "Cavium CNS3XXX OHCI Module (DEPRECATED)" depends on USB_OHCI_HCD && ARCH_CNS3XXX + select USB_OHCI_HCD_PLATFORM ---help--- + This option is deprecated now and the driver was removed, use + USB_OHCI_HCD_PLATFORM instead. + Enable support for the CNS3XXX SOC's on-chip OHCI controller. It is needed for low-speed USB 1.0 device support. diff --git a/drivers/usb/host/ohci-cns3xxx.c b/drivers/usb/host/ohci-cns3xxx.c deleted file mode 100644 index 2c9f233..0000000 --- a/drivers/usb/host/ohci-cns3xxx.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * Copyright 2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include - -static int __devinit -cns3xxx_ohci_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - * - * Set USB AHB INCR length to 16 - */ - if (atomic_inc_return(&usb_pwr_ref) == 1) { - cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); - cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); - cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST); - __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)), - MISC_CHIP_CONFIG_REG); - } - - ret = ohci_init(ohci); - if (ret < 0) - return ret; - - ohci->num_ports = 1; - - ret = ohci_run(ohci); - if (ret < 0) { - dev_err(hcd->self.controller, "can't start %s\n", - hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - return 0; -} - -static const struct hc_driver cns3xxx_ohci_hc_driver = { - .description = hcd_name, - .product_desc = "CNS3XXX OHCI Host controller", - .hcd_priv_size = sizeof(struct ohci_hcd), - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - .start = cns3xxx_ohci_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - .get_frame_number = ohci_get_frame, - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -static int cns3xxx_ohci_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct usb_hcd *hcd; - const struct hc_driver *driver = &cns3xxx_ohci_hc_driver; - struct resource *res; - int irq; - int retval; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(dev, "Found HC with no IRQ.\n"); - return -ENODEV; - } - irq = res->start; - - hcd = usb_create_hcd(driver, dev, dev_name(dev)); - if (!hcd) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "Found HC with no register addr.\n"); - retval = -ENODEV; - goto err1; - } - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, - driver->description)) { - dev_dbg(dev, "controller already in use\n"); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_dbg(dev, "error mapping memory\n"); - retval = -EFAULT; - goto err2; - } - - ohci_hcd_init(hcd_to_ohci(hcd)); - - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (retval == 0) - return retval; - - iounmap(hcd->regs); -err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err1: - usb_put_hcd(hcd); - return retval; -} - -static int cns3xxx_ohci_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - */ - if (atomic_dec_return(&usb_pwr_ref) == 0) - cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); - - usb_put_hcd(hcd); - - platform_set_drvdata(pdev, NULL); - - return 0; -} - -MODULE_ALIAS("platform:cns3xxx-ohci"); - -static struct platform_driver ohci_hcd_cns3xxx_driver = { - .probe = cns3xxx_ohci_probe, - .remove = cns3xxx_ohci_remove, - .driver = { - .name = "cns3xxx-ohci", - }, -}; diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index b8f2ead..d35fc1e 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1196,11 +1196,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_tilegx_driver #endif -#ifdef CONFIG_USB_CNS3XXX_OHCI -#include "ohci-cns3xxx.c" -#define PLATFORM_DRIVER ohci_hcd_cns3xxx_driver -#endif - #ifdef CONFIG_CPU_XLR #include "ohci-xls.c" #define PLATFORM_DRIVER ohci_xls_driver -- cgit v1.1 From c2e91e046df67efa401f77ebe13478e124bc50f7 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:35 +0200 Subject: USB: OHCI: remove Netlogic XLS OHCI platform driver All users have been converted to use the OHCI platform driver instead, thus making ohci-xls obsolete, remove it. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hcd.c | 5 -- drivers/usb/host/ohci-xls.c | 152 -------------------------------------------- 2 files changed, 157 deletions(-) delete mode 100644 drivers/usb/host/ohci-xls.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index d35fc1e..61d3ddd 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1196,11 +1196,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_tilegx_driver #endif -#ifdef CONFIG_CPU_XLR -#include "ohci-xls.c" -#define PLATFORM_DRIVER ohci_xls_driver -#endif - #ifdef CONFIG_USB_OHCI_HCD_PLATFORM #include "ohci-platform.c" #define PLATFORM_DRIVER ohci_platform_driver diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c deleted file mode 100644 index 84201cd..0000000 --- a/drivers/usb/host/ohci-xls.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * OHCI HCD for Netlogic XLS processors. - * - * (C) Copyright 2011 Netlogic Microsystems Inc. - * - * Based on ohci-au1xxx.c, and other Linux OHCI drivers. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - */ - -#include -#include - -static int ohci_xls_probe_internal(const struct hc_driver *driver, - struct platform_device *dev) -{ - struct resource *res; - struct usb_hcd *hcd; - int retval, irq; - - /* Get our IRQ from an earlier registered Platform Resource */ - irq = platform_get_irq(dev, 0); - if (irq < 0) { - dev_err(&dev->dev, "Found HC with no IRQ\n"); - return -ENODEV; - } - - /* Get our Memory Handle */ - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&dev->dev, "MMIO Handle incorrect!\n"); - return -ENODEV; - } - - hcd = usb_create_hcd(driver, &dev->dev, "XLS"); - if (!hcd) { - retval = -ENOMEM; - goto err1; - } - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, - driver->description)) { - dev_dbg(&dev->dev, "Controller already in use\n"); - retval = -EBUSY; - goto err2; - } - - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); - if (hcd->regs == NULL) { - dev_dbg(&dev->dev, "error mapping memory\n"); - retval = -EFAULT; - goto err3; - } - - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (retval != 0) - goto err4; - return retval; - -err4: - iounmap(hcd->regs); -err3: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err2: - usb_put_hcd(hcd); -err1: - dev_err(&dev->dev, "init fail, %d\n", retval); - return retval; -} - -static int ohci_xls_reset(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - - ohci_hcd_init(ohci); - return ohci_init(ohci); -} - -static int __devinit ohci_xls_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci; - int ret; - - ohci = hcd_to_ohci(hcd); - ret = ohci_run(ohci); - if (ret < 0) { - dev_err(hcd->self.controller, "can't start %s\n", - hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - return 0; -} - -static struct hc_driver ohci_xls_hc_driver = { - .description = hcd_name, - .product_desc = "XLS OHCI Host Controller", - .hcd_priv_size = sizeof(struct ohci_hcd), - .irq = ohci_irq, - .flags = HCD_MEMORY | HCD_USB11, - .reset = ohci_xls_reset, - .start = ohci_xls_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - .get_frame_number = ohci_get_frame, - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_xls_probe(struct platform_device *dev) -{ - int ret; - - pr_debug("In ohci_xls_probe"); - if (usb_disabled()) - return -ENODEV; - ret = ohci_xls_probe_internal(&ohci_xls_hc_driver, dev); - return ret; -} - -static int ohci_xls_remove(struct platform_device *dev) -{ - struct usb_hcd *hcd = platform_get_drvdata(dev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - return 0; -} - -static struct platform_driver ohci_xls_driver = { - .probe = ohci_xls_probe, - .remove = ohci_xls_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "ohci-xls-0", - .owner = THIS_MODULE, - }, -}; -- cgit v1.1 From 231a72e03af68f791e3f34dbc22117ebb18bdbb0 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:37 +0200 Subject: USB: OHCI: remove OHCI SH platform driver All users have been converted to use the OHCI platform driver instead, thus making ohci-sh obsolete, so remove it. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 6 +- drivers/usb/host/ohci-hcd.c | 5 -- drivers/usb/host/ohci-sh.c | 141 -------------------------------------------- 3 files changed, 5 insertions(+), 147 deletions(-) delete mode 100644 drivers/usb/host/ohci-sh.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index e43c9c8..8cc06f0 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -387,9 +387,13 @@ config USB_OHCI_HCD_SSB If unsure, say N. config USB_OHCI_SH - bool "OHCI support for SuperH USB controller" + bool "OHCI support for SuperH USB controller (DEPRECATED)" depends on USB_OHCI_HCD && SUPERH + select USB_OHCI_HCD_PLATFORM ---help--- + This option is deprecated now and the driver was removed, use + USB_OHCI_HCD_PLATFORM instead. + Enables support for the on-chip OHCI controller on the SuperH. If you use the PCI OHCI controller, this option is not necessary. diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 61d3ddd..ecff612 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1150,11 +1150,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_da8xx_driver #endif -#ifdef CONFIG_USB_OHCI_SH -#include "ohci-sh.c" -#define PLATFORM_DRIVER ohci_hcd_sh_driver -#endif - #ifdef CONFIG_USB_OHCI_HCD_PPC_OF #include "ohci-ppc-of.c" diff --git a/drivers/usb/host/ohci-sh.c b/drivers/usb/host/ohci-sh.c deleted file mode 100644 index 76a20c2..0000000 --- a/drivers/usb/host/ohci-sh.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * Copyright (C) 2008 Renesas Solutions Corp. - * - * Author : Yoshihiro Shimoda - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#include - -static int ohci_sh_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - - ohci_hcd_init(ohci); - ohci_init(ohci); - ohci_run(ohci); - return 0; -} - -static const struct hc_driver ohci_sh_hc_driver = { - .description = hcd_name, - .product_desc = "SuperH OHCI", - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_sh_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -/*-------------------------------------------------------------------------*/ - -static int ohci_hcd_sh_probe(struct platform_device *pdev) -{ - struct resource *res = NULL; - struct usb_hcd *hcd = NULL; - int irq = -1; - int ret; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "platform_get_resource error.\n"); - return -ENODEV; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "platform_get_irq error.\n"); - return -ENODEV; - } - - /* initialize hcd */ - hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name); - if (!hcd) { - dev_err(&pdev->dev, "Failed to create hcd\n"); - return -ENOMEM; - } - - hcd->regs = (void __iomem *)res->start; - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret != 0) { - dev_err(&pdev->dev, "Failed to add hcd\n"); - usb_put_hcd(hcd); - return ret; - } - - return ret; -} - -static int ohci_hcd_sh_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - usb_put_hcd(hcd); - - return 0; -} - -static struct platform_driver ohci_hcd_sh_driver = { - .probe = ohci_hcd_sh_probe, - .remove = ohci_hcd_sh_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "sh_ohci", - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS("platform:sh_ohci"); -- cgit v1.1 From bb5da43e4525d3338f51edb980e3067b111b78aa Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:39 +0200 Subject: USB: OHCI: remove Alchemy OHCI platform driver. All users have been converted to use the OHCI platform driver instead, thus making ohci-au1xxx obsolete, remove it. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-au1xxx.c | 234 ----------------------------------------- drivers/usb/host/ohci-hcd.c | 5 - 2 files changed, 239 deletions(-) delete mode 100644 drivers/usb/host/ohci-au1xxx.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c deleted file mode 100644 index c611699..0000000 --- a/drivers/usb/host/ohci-au1xxx.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * (C) Copyright 1999 Roman Weissgaerber - * (C) Copyright 2000-2002 David Brownell - * (C) Copyright 2002 Hewlett-Packard Company - * - * Bus Glue for AMD Alchemy Au1xxx - * - * Written by Christopher Hoover - * Based on fragments of previous driver by Russell King et al. - * - * Modified for LH7A404 from ohci-sa1111.c - * by Durgesh Pattamatta - * Modified for AMD Alchemy Au1xxx - * by Matt Porter - * - * This file is licenced under the GPL. - */ - -#include -#include - -#include - - -extern int usb_disabled(void); - -static int __devinit ohci_au1xxx_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - ohci_dbg(ohci, "ohci_au1xxx_start, ohci:%p", ohci); - - if ((ret = ohci_init(ohci)) < 0) - return ret; - - if ((ret = ohci_run(ohci)) < 0) { - dev_err(hcd->self.controller, "can't start %s", - hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - - return 0; -} - -static const struct hc_driver ohci_au1xxx_hc_driver = { - .description = hcd_name, - .product_desc = "Au1xxx OHCI", - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_au1xxx_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) -{ - int ret, unit; - struct usb_hcd *hcd; - - if (usb_disabled()) - return -ENODEV; - - if (pdev->resource[1].flags != IORESOURCE_IRQ) { - pr_debug("resource[1] is not IORESOURCE_IRQ\n"); - return -ENOMEM; - } - - hcd = usb_create_hcd(&ohci_au1xxx_hc_driver, &pdev->dev, "au1xxx"); - if (!hcd) - return -ENOMEM; - - hcd->rsrc_start = pdev->resource[0].start; - hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1; - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("request_mem_region failed\n"); - ret = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("ioremap failed\n"); - ret = -ENOMEM; - goto err2; - } - - unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? - ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; - if (alchemy_usb_control(unit, 1)) { - printk(KERN_INFO "%s: controller init failed!\n", pdev->name); - ret = -ENODEV; - goto err3; - } - - ohci_hcd_init(hcd_to_ohci(hcd)); - - ret = usb_add_hcd(hcd, pdev->resource[1].start, - IRQF_SHARED); - if (ret == 0) { - platform_set_drvdata(pdev, hcd); - return ret; - } - - alchemy_usb_control(unit, 0); -err3: - iounmap(hcd->regs); -err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err1: - usb_put_hcd(hcd); - return ret; -} - -static int ohci_hcd_au1xxx_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - int unit; - - unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? - ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; - usb_remove_hcd(hcd); - alchemy_usb_control(unit, 0); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -#ifdef CONFIG_PM -static int ohci_hcd_au1xxx_drv_suspend(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - unsigned long flags; - int rc; - - rc = 0; - - /* Root hub was already suspended. Disable irq emission and - * mark HW unaccessible, bail out if RH has been resumed. Use - * the spinlock to properly synchronize with possible pending - * RH suspend or resume activity. - */ - spin_lock_irqsave(&ohci->lock, flags); - if (ohci->rh_state != OHCI_RH_SUSPENDED) { - rc = -EINVAL; - goto bail; - } - ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); - (void)ohci_readl(ohci, &ohci->regs->intrdisable); - - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - - alchemy_usb_control(ALCHEMY_USB_OHCI0, 0); -bail: - spin_unlock_irqrestore(&ohci->lock, flags); - - return rc; -} - -static int ohci_hcd_au1xxx_drv_resume(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - - alchemy_usb_control(ALCHEMY_USB_OHCI0, 1); - - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - ohci_finish_controller_resume(hcd); - - return 0; -} - -static const struct dev_pm_ops au1xxx_ohci_pmops = { - .suspend = ohci_hcd_au1xxx_drv_suspend, - .resume = ohci_hcd_au1xxx_drv_resume, -}; - -#define AU1XXX_OHCI_PMOPS &au1xxx_ohci_pmops - -#else -#define AU1XXX_OHCI_PMOPS NULL -#endif - -static struct platform_driver ohci_hcd_au1xxx_driver = { - .probe = ohci_hcd_au1xxx_drv_probe, - .remove = ohci_hcd_au1xxx_drv_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "au1xxx-ohci", - .owner = THIS_MODULE, - .pm = AU1XXX_OHCI_PMOPS, - }, -}; - -MODULE_ALIAS("platform:au1xxx-ohci"); diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ecff612..180a2b0 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1130,11 +1130,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_ep93xx_driver #endif -#ifdef CONFIG_MIPS_ALCHEMY -#include "ohci-au1xxx.c" -#define PLATFORM_DRIVER ohci_hcd_au1xxx_driver -#endif - #ifdef CONFIG_ARCH_AT91 #include "ohci-at91.c" #define PLATFORM_DRIVER ohci_hcd_at91_driver -- cgit v1.1 From 216d0fded417d26a19049038788813af126b9d66 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:40 +0200 Subject: USB: move common alchemy USB routines to arch/mips/alchemy/common.c A previous patch converted the Alchemy platform to use the OHCI and EHCI platform drivers. As a result, all the common logic to handle USB present in drivers/usb/host/alchemy-common.c has no reason to remain here, so we move it to arch/mips/alchemy/common/usb.c which is a more appropriate place. This change was suggested by Manuel Lauss. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Makefile | 1 - drivers/usb/host/alchemy-common.c | 614 -------------------------------------- 2 files changed, 615 deletions(-) delete mode 100644 drivers/usb/host/alchemy-common.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 9e0a89c..332ed89 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -40,6 +40,5 @@ obj-$(CONFIG_USB_HWA_HCD) += hwa-hc.o obj-$(CONFIG_USB_IMX21_HCD) += imx21-hcd.o obj-$(CONFIG_USB_FSL_MPH_DR_OF) += fsl-mph-dr-of.o obj-$(CONFIG_USB_OCTEON2_COMMON) += octeon2-common.o -obj-$(CONFIG_MIPS_ALCHEMY) += alchemy-common.o obj-$(CONFIG_USB_HCD_BCMA) += bcma-hcd.o obj-$(CONFIG_USB_HCD_SSB) += ssb-hcd.o diff --git a/drivers/usb/host/alchemy-common.c b/drivers/usb/host/alchemy-common.c deleted file mode 100644 index 936af83..0000000 --- a/drivers/usb/host/alchemy-common.c +++ /dev/null @@ -1,614 +0,0 @@ -/* - * USB block power/access management abstraction. - * - * Au1000+: The OHCI block control register is at the far end of the OHCI memory - * area. Au1550 has OHCI on different base address. No need to handle - * UDC here. - * Au1200: one register to control access and clocks to O/EHCI, UDC and OTG - * as well as the PHY for EHCI and UDC. - * - */ - -#include -#include -#include -#include -#include -#include - -/* control register offsets */ -#define AU1000_OHCICFG 0x7fffc -#define AU1550_OHCICFG 0x07ffc -#define AU1200_USBCFG 0x04 - -/* Au1000 USB block config bits */ -#define USBHEN_RD (1 << 4) /* OHCI reset-done indicator */ -#define USBHEN_CE (1 << 3) /* OHCI block clock enable */ -#define USBHEN_E (1 << 2) /* OHCI block enable */ -#define USBHEN_C (1 << 1) /* OHCI block coherency bit */ -#define USBHEN_BE (1 << 0) /* OHCI Big-Endian */ - -/* Au1200 USB config bits */ -#define USBCFG_PFEN (1 << 31) /* prefetch enable (undoc) */ -#define USBCFG_RDCOMB (1 << 30) /* read combining (undoc) */ -#define USBCFG_UNKNOWN (5 << 20) /* unknown, leave this way */ -#define USBCFG_SSD (1 << 23) /* serial short detect en */ -#define USBCFG_PPE (1 << 19) /* HS PHY PLL */ -#define USBCFG_UCE (1 << 18) /* UDC clock enable */ -#define USBCFG_ECE (1 << 17) /* EHCI clock enable */ -#define USBCFG_OCE (1 << 16) /* OHCI clock enable */ -#define USBCFG_FLA(x) (((x) & 0x3f) << 8) -#define USBCFG_UCAM (1 << 7) /* coherent access (undoc) */ -#define USBCFG_GME (1 << 6) /* OTG mem access */ -#define USBCFG_DBE (1 << 5) /* UDC busmaster enable */ -#define USBCFG_DME (1 << 4) /* UDC mem enable */ -#define USBCFG_EBE (1 << 3) /* EHCI busmaster enable */ -#define USBCFG_EME (1 << 2) /* EHCI mem enable */ -#define USBCFG_OBE (1 << 1) /* OHCI busmaster enable */ -#define USBCFG_OME (1 << 0) /* OHCI mem enable */ -#define USBCFG_INIT_AU1200 (USBCFG_PFEN | USBCFG_RDCOMB | USBCFG_UNKNOWN |\ - USBCFG_SSD | USBCFG_FLA(0x20) | USBCFG_UCAM | \ - USBCFG_GME | USBCFG_DBE | USBCFG_DME | \ - USBCFG_EBE | USBCFG_EME | USBCFG_OBE | \ - USBCFG_OME) - -/* Au1300 USB config registers */ -#define USB_DWC_CTRL1 0x00 -#define USB_DWC_CTRL2 0x04 -#define USB_VBUS_TIMER 0x10 -#define USB_SBUS_CTRL 0x14 -#define USB_MSR_ERR 0x18 -#define USB_DWC_CTRL3 0x1C -#define USB_DWC_CTRL4 0x20 -#define USB_OTG_STATUS 0x28 -#define USB_DWC_CTRL5 0x2C -#define USB_DWC_CTRL6 0x30 -#define USB_DWC_CTRL7 0x34 -#define USB_PHY_STATUS 0xC0 -#define USB_INT_STATUS 0xC4 -#define USB_INT_ENABLE 0xC8 - -#define USB_DWC_CTRL1_OTGD 0x04 /* set to DISable OTG */ -#define USB_DWC_CTRL1_HSTRS 0x02 /* set to ENable EHCI */ -#define USB_DWC_CTRL1_DCRS 0x01 /* set to ENable UDC */ - -#define USB_DWC_CTRL2_PHY1RS 0x04 /* set to enable PHY1 */ -#define USB_DWC_CTRL2_PHY0RS 0x02 /* set to enable PHY0 */ -#define USB_DWC_CTRL2_PHYRS 0x01 /* set to enable PHY */ - -#define USB_DWC_CTRL3_OHCI1_CKEN (1 << 19) -#define USB_DWC_CTRL3_OHCI0_CKEN (1 << 18) -#define USB_DWC_CTRL3_EHCI0_CKEN (1 << 17) -#define USB_DWC_CTRL3_OTG0_CKEN (1 << 16) - -#define USB_SBUS_CTRL_SBCA 0x04 /* coherent access */ - -#define USB_INTEN_FORCE 0x20 -#define USB_INTEN_PHY 0x10 -#define USB_INTEN_UDC 0x08 -#define USB_INTEN_EHCI 0x04 -#define USB_INTEN_OHCI1 0x02 -#define USB_INTEN_OHCI0 0x01 - -static DEFINE_SPINLOCK(alchemy_usb_lock); - -static inline void __au1300_usb_phyctl(void __iomem *base, int enable) -{ - unsigned long r, s; - - r = __raw_readl(base + USB_DWC_CTRL2); - s = __raw_readl(base + USB_DWC_CTRL3); - - s &= USB_DWC_CTRL3_OHCI1_CKEN | USB_DWC_CTRL3_OHCI0_CKEN | - USB_DWC_CTRL3_EHCI0_CKEN | USB_DWC_CTRL3_OTG0_CKEN; - - if (enable) { - /* simply enable all PHYs */ - r |= USB_DWC_CTRL2_PHY1RS | USB_DWC_CTRL2_PHY0RS | - USB_DWC_CTRL2_PHYRS; - __raw_writel(r, base + USB_DWC_CTRL2); - wmb(); - } else if (!s) { - /* no USB block active, do disable all PHYs */ - r &= ~(USB_DWC_CTRL2_PHY1RS | USB_DWC_CTRL2_PHY0RS | - USB_DWC_CTRL2_PHYRS); - __raw_writel(r, base + USB_DWC_CTRL2); - wmb(); - } -} - -static inline void __au1300_ohci_control(void __iomem *base, int enable, int id) -{ - unsigned long r; - - if (enable) { - __raw_writel(1, base + USB_DWC_CTRL7); /* start OHCI clock */ - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL3); /* enable OHCI block */ - r |= (id == 0) ? USB_DWC_CTRL3_OHCI0_CKEN - : USB_DWC_CTRL3_OHCI1_CKEN; - __raw_writel(r, base + USB_DWC_CTRL3); - wmb(); - - __au1300_usb_phyctl(base, enable); /* power up the PHYs */ - - r = __raw_readl(base + USB_INT_ENABLE); - r |= (id == 0) ? USB_INTEN_OHCI0 : USB_INTEN_OHCI1; - __raw_writel(r, base + USB_INT_ENABLE); - wmb(); - - /* reset the OHCI start clock bit */ - __raw_writel(0, base + USB_DWC_CTRL7); - wmb(); - } else { - r = __raw_readl(base + USB_INT_ENABLE); - r &= ~((id == 0) ? USB_INTEN_OHCI0 : USB_INTEN_OHCI1); - __raw_writel(r, base + USB_INT_ENABLE); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL3); - r &= ~((id == 0) ? USB_DWC_CTRL3_OHCI0_CKEN - : USB_DWC_CTRL3_OHCI1_CKEN); - __raw_writel(r, base + USB_DWC_CTRL3); - wmb(); - - __au1300_usb_phyctl(base, enable); - } -} - -static inline void __au1300_ehci_control(void __iomem *base, int enable) -{ - unsigned long r; - - if (enable) { - r = __raw_readl(base + USB_DWC_CTRL3); - r |= USB_DWC_CTRL3_EHCI0_CKEN; - __raw_writel(r, base + USB_DWC_CTRL3); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL1); - r |= USB_DWC_CTRL1_HSTRS; - __raw_writel(r, base + USB_DWC_CTRL1); - wmb(); - - __au1300_usb_phyctl(base, enable); - - r = __raw_readl(base + USB_INT_ENABLE); - r |= USB_INTEN_EHCI; - __raw_writel(r, base + USB_INT_ENABLE); - wmb(); - } else { - r = __raw_readl(base + USB_INT_ENABLE); - r &= ~USB_INTEN_EHCI; - __raw_writel(r, base + USB_INT_ENABLE); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL1); - r &= ~USB_DWC_CTRL1_HSTRS; - __raw_writel(r, base + USB_DWC_CTRL1); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL3); - r &= ~USB_DWC_CTRL3_EHCI0_CKEN; - __raw_writel(r, base + USB_DWC_CTRL3); - wmb(); - - __au1300_usb_phyctl(base, enable); - } -} - -static inline void __au1300_udc_control(void __iomem *base, int enable) -{ - unsigned long r; - - if (enable) { - r = __raw_readl(base + USB_DWC_CTRL1); - r |= USB_DWC_CTRL1_DCRS; - __raw_writel(r, base + USB_DWC_CTRL1); - wmb(); - - __au1300_usb_phyctl(base, enable); - - r = __raw_readl(base + USB_INT_ENABLE); - r |= USB_INTEN_UDC; - __raw_writel(r, base + USB_INT_ENABLE); - wmb(); - } else { - r = __raw_readl(base + USB_INT_ENABLE); - r &= ~USB_INTEN_UDC; - __raw_writel(r, base + USB_INT_ENABLE); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL1); - r &= ~USB_DWC_CTRL1_DCRS; - __raw_writel(r, base + USB_DWC_CTRL1); - wmb(); - - __au1300_usb_phyctl(base, enable); - } -} - -static inline void __au1300_otg_control(void __iomem *base, int enable) -{ - unsigned long r; - if (enable) { - r = __raw_readl(base + USB_DWC_CTRL3); - r |= USB_DWC_CTRL3_OTG0_CKEN; - __raw_writel(r, base + USB_DWC_CTRL3); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL1); - r &= ~USB_DWC_CTRL1_OTGD; - __raw_writel(r, base + USB_DWC_CTRL1); - wmb(); - - __au1300_usb_phyctl(base, enable); - } else { - r = __raw_readl(base + USB_DWC_CTRL1); - r |= USB_DWC_CTRL1_OTGD; - __raw_writel(r, base + USB_DWC_CTRL1); - wmb(); - - r = __raw_readl(base + USB_DWC_CTRL3); - r &= ~USB_DWC_CTRL3_OTG0_CKEN; - __raw_writel(r, base + USB_DWC_CTRL3); - wmb(); - - __au1300_usb_phyctl(base, enable); - } -} - -static inline int au1300_usb_control(int block, int enable) -{ - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); - int ret = 0; - - switch (block) { - case ALCHEMY_USB_OHCI0: - __au1300_ohci_control(base, enable, 0); - break; - case ALCHEMY_USB_OHCI1: - __au1300_ohci_control(base, enable, 1); - break; - case ALCHEMY_USB_EHCI0: - __au1300_ehci_control(base, enable); - break; - case ALCHEMY_USB_UDC0: - __au1300_udc_control(base, enable); - break; - case ALCHEMY_USB_OTG0: - __au1300_otg_control(base, enable); - break; - default: - ret = -ENODEV; - } - return ret; -} - -static inline void au1300_usb_init(void) -{ - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); - - /* set some sane defaults. Note: we don't fiddle with DWC_CTRL4 - * here at all: Port 2 routing (EHCI or UDC) must be set either - * by boot firmware or platform init code; I can't autodetect - * a sane setting. - */ - __raw_writel(0, base + USB_INT_ENABLE); /* disable all USB irqs */ - wmb(); - __raw_writel(0, base + USB_DWC_CTRL3); /* disable all clocks */ - wmb(); - __raw_writel(~0, base + USB_MSR_ERR); /* clear all errors */ - wmb(); - __raw_writel(~0, base + USB_INT_STATUS); /* clear int status */ - wmb(); - /* set coherent access bit */ - __raw_writel(USB_SBUS_CTRL_SBCA, base + USB_SBUS_CTRL); - wmb(); -} - -static inline void __au1200_ohci_control(void __iomem *base, int enable) -{ - unsigned long r = __raw_readl(base + AU1200_USBCFG); - if (enable) { - __raw_writel(r | USBCFG_OCE, base + AU1200_USBCFG); - wmb(); - udelay(2000); - } else { - __raw_writel(r & ~USBCFG_OCE, base + AU1200_USBCFG); - wmb(); - udelay(1000); - } -} - -static inline void __au1200_ehci_control(void __iomem *base, int enable) -{ - unsigned long r = __raw_readl(base + AU1200_USBCFG); - if (enable) { - __raw_writel(r | USBCFG_ECE | USBCFG_PPE, base + AU1200_USBCFG); - wmb(); - udelay(1000); - } else { - if (!(r & USBCFG_UCE)) /* UDC also off? */ - r &= ~USBCFG_PPE; /* yes: disable HS PHY PLL */ - __raw_writel(r & ~USBCFG_ECE, base + AU1200_USBCFG); - wmb(); - udelay(1000); - } -} - -static inline void __au1200_udc_control(void __iomem *base, int enable) -{ - unsigned long r = __raw_readl(base + AU1200_USBCFG); - if (enable) { - __raw_writel(r | USBCFG_UCE | USBCFG_PPE, base + AU1200_USBCFG); - wmb(); - } else { - if (!(r & USBCFG_ECE)) /* EHCI also off? */ - r &= ~USBCFG_PPE; /* yes: disable HS PHY PLL */ - __raw_writel(r & ~USBCFG_UCE, base + AU1200_USBCFG); - wmb(); - } -} - -static inline int au1200_coherency_bug(void) -{ -#if defined(CONFIG_DMA_COHERENT) - /* Au1200 AB USB does not support coherent memory */ - if (!(read_c0_prid() & 0xff)) { - printk(KERN_INFO "Au1200 USB: this is chip revision AB !!\n"); - printk(KERN_INFO "Au1200 USB: update your board or re-configure" - " the kernel\n"); - return -ENODEV; - } -#endif - return 0; -} - -static inline int au1200_usb_control(int block, int enable) -{ - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1200_USB_CTL_PHYS_ADDR); - int ret = 0; - - switch (block) { - case ALCHEMY_USB_OHCI0: - ret = au1200_coherency_bug(); - if (ret && enable) - goto out; - __au1200_ohci_control(base, enable); - break; - case ALCHEMY_USB_UDC0: - __au1200_udc_control(base, enable); - break; - case ALCHEMY_USB_EHCI0: - ret = au1200_coherency_bug(); - if (ret && enable) - goto out; - __au1200_ehci_control(base, enable); - break; - default: - ret = -ENODEV; - } -out: - return ret; -} - - -/* initialize USB block(s) to a known working state */ -static inline void au1200_usb_init(void) -{ - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1200_USB_CTL_PHYS_ADDR); - __raw_writel(USBCFG_INIT_AU1200, base + AU1200_USBCFG); - wmb(); - udelay(1000); -} - -static inline void au1000_usb_init(unsigned long rb, int reg) -{ - void __iomem *base = (void __iomem *)KSEG1ADDR(rb + reg); - unsigned long r = __raw_readl(base); - -#if defined(__BIG_ENDIAN) - r |= USBHEN_BE; -#endif - r |= USBHEN_C; - - __raw_writel(r, base); - wmb(); - udelay(1000); -} - - -static inline void __au1xx0_ohci_control(int enable, unsigned long rb, int creg) -{ - void __iomem *base = (void __iomem *)KSEG1ADDR(rb); - unsigned long r = __raw_readl(base + creg); - - if (enable) { - __raw_writel(r | USBHEN_CE, base + creg); - wmb(); - udelay(1000); - __raw_writel(r | USBHEN_CE | USBHEN_E, base + creg); - wmb(); - udelay(1000); - - /* wait for reset complete (read reg twice: au1500 erratum) */ - while (__raw_readl(base + creg), - !(__raw_readl(base + creg) & USBHEN_RD)) - udelay(1000); - } else { - __raw_writel(r & ~(USBHEN_CE | USBHEN_E), base + creg); - wmb(); - } -} - -static inline int au1000_usb_control(int block, int enable, unsigned long rb, - int creg) -{ - int ret = 0; - - switch (block) { - case ALCHEMY_USB_OHCI0: - __au1xx0_ohci_control(enable, rb, creg); - break; - default: - ret = -ENODEV; - } - return ret; -} - -/* - * alchemy_usb_control - control Alchemy on-chip USB blocks - * @block: USB block to target - * @enable: set 1 to enable a block, 0 to disable - */ -int alchemy_usb_control(int block, int enable) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&alchemy_usb_lock, flags); - switch (alchemy_get_cputype()) { - case ALCHEMY_CPU_AU1000: - case ALCHEMY_CPU_AU1500: - case ALCHEMY_CPU_AU1100: - ret = au1000_usb_control(block, enable, - AU1000_USB_OHCI_PHYS_ADDR, AU1000_OHCICFG); - break; - case ALCHEMY_CPU_AU1550: - ret = au1000_usb_control(block, enable, - AU1550_USB_OHCI_PHYS_ADDR, AU1550_OHCICFG); - break; - case ALCHEMY_CPU_AU1200: - ret = au1200_usb_control(block, enable); - break; - case ALCHEMY_CPU_AU1300: - ret = au1300_usb_control(block, enable); - break; - default: - ret = -ENODEV; - } - spin_unlock_irqrestore(&alchemy_usb_lock, flags); - return ret; -} -EXPORT_SYMBOL_GPL(alchemy_usb_control); - - -static unsigned long alchemy_usb_pmdata[2]; - -static void au1000_usb_pm(unsigned long br, int creg, int susp) -{ - void __iomem *base = (void __iomem *)KSEG1ADDR(br); - - if (susp) { - alchemy_usb_pmdata[0] = __raw_readl(base + creg); - /* There appears to be some undocumented reset register.... */ - __raw_writel(0, base + 0x04); - wmb(); - __raw_writel(0, base + creg); - wmb(); - } else { - __raw_writel(alchemy_usb_pmdata[0], base + creg); - wmb(); - } -} - -static void au1200_usb_pm(int susp) -{ - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1200_USB_OTG_PHYS_ADDR); - if (susp) { - /* save OTG_CAP/MUX registers which indicate port routing */ - /* FIXME: write an OTG driver to do that */ - alchemy_usb_pmdata[0] = __raw_readl(base + 0x00); - alchemy_usb_pmdata[1] = __raw_readl(base + 0x04); - } else { - /* restore access to all MMIO areas */ - au1200_usb_init(); - - /* restore OTG_CAP/MUX registers */ - __raw_writel(alchemy_usb_pmdata[0], base + 0x00); - __raw_writel(alchemy_usb_pmdata[1], base + 0x04); - wmb(); - } -} - -static void au1300_usb_pm(int susp) -{ - void __iomem *base = - (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); - /* remember Port2 routing */ - if (susp) { - alchemy_usb_pmdata[0] = __raw_readl(base + USB_DWC_CTRL4); - } else { - au1300_usb_init(); - __raw_writel(alchemy_usb_pmdata[0], base + USB_DWC_CTRL4); - wmb(); - } -} - -static void alchemy_usb_pm(int susp) -{ - switch (alchemy_get_cputype()) { - case ALCHEMY_CPU_AU1000: - case ALCHEMY_CPU_AU1500: - case ALCHEMY_CPU_AU1100: - au1000_usb_pm(AU1000_USB_OHCI_PHYS_ADDR, AU1000_OHCICFG, susp); - break; - case ALCHEMY_CPU_AU1550: - au1000_usb_pm(AU1550_USB_OHCI_PHYS_ADDR, AU1550_OHCICFG, susp); - break; - case ALCHEMY_CPU_AU1200: - au1200_usb_pm(susp); - break; - case ALCHEMY_CPU_AU1300: - au1300_usb_pm(susp); - break; - } -} - -static int alchemy_usb_suspend(void) -{ - alchemy_usb_pm(1); - return 0; -} - -static void alchemy_usb_resume(void) -{ - alchemy_usb_pm(0); -} - -static struct syscore_ops alchemy_usb_pm_ops = { - .suspend = alchemy_usb_suspend, - .resume = alchemy_usb_resume, -}; - -static int __init alchemy_usb_init(void) -{ - switch (alchemy_get_cputype()) { - case ALCHEMY_CPU_AU1000: - case ALCHEMY_CPU_AU1500: - case ALCHEMY_CPU_AU1100: - au1000_usb_init(AU1000_USB_OHCI_PHYS_ADDR, AU1000_OHCICFG); - break; - case ALCHEMY_CPU_AU1550: - au1000_usb_init(AU1550_USB_OHCI_PHYS_ADDR, AU1550_OHCICFG); - break; - case ALCHEMY_CPU_AU1200: - au1200_usb_init(); - break; - case ALCHEMY_CPU_AU1300: - au1300_usb_init(); - break; - } - - register_syscore_ops(&alchemy_usb_pm_ops); - - return 0; -} -arch_initcall(alchemy_usb_init); -- cgit v1.1 From 2350cb0cc1303d47b43fc60cf06c19dd145b2eb5 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:41 +0200 Subject: USB: EHCI: make ehci-platform use dev_err() instead of pr_err() This patch converts the ehci-platform driver to make use of the dev_err() functions instead of pr_err(). Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-platform.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 607adf9..6516717 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -98,12 +98,12 @@ static int __devinit ehci_platform_probe(struct platform_device *dev) irq = platform_get_irq(dev, 0); if (irq < 0) { - pr_err("no irq provided"); + dev_err(&dev->dev, "no irq provided"); return irq; } res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res_mem) { - pr_err("no memory recourse provided"); + dev_err(&dev->dev, "no memory recourse provided"); return -ENXIO; } @@ -124,7 +124,7 @@ static int __devinit ehci_platform_probe(struct platform_device *dev) hcd->rsrc_len = resource_size(res_mem); if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_err("controller already in use"); + dev_err(&dev->dev, "controller already in use"); err = -EBUSY; goto err_put_hcd; } -- cgit v1.1 From 976baf6e96569b1e253233061b074dbe5a7f2ca9 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:42 +0200 Subject: USB: OHCI: make ohci-platform use dev_err() instead of pr_err() This patch converts the ohci-platform driver to use dev_err() functions instead of pr_err(). Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-platform.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 99d1755..8a606f4 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -101,13 +101,13 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) irq = platform_get_irq(dev, 0); if (irq < 0) { - pr_err("no irq provided"); + dev_err(&dev->dev, "no irq provided"); return irq; } res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res_mem) { - pr_err("no memory recourse provided"); + dev_err(&dev->dev, "no memory recourse provided"); return -ENXIO; } @@ -128,7 +128,7 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) hcd->rsrc_len = resource_size(res_mem); if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_err("controller already in use"); + dev_err(&dev->dev, "controller already in use"); err = -EBUSY; goto err_put_hcd; } -- cgit v1.1 From 5c9b2b28e5385614169ec133f7b0cbfbeb38dc22 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:43 +0200 Subject: USB: EHCI: fix typo in ehci-platform driver on the word "resource" Fix the obvious typo in the error message, we meant to write "resource" instead of "recourse". Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 6516717..3cb0b1b 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -103,7 +103,7 @@ static int __devinit ehci_platform_probe(struct platform_device *dev) } res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res_mem) { - dev_err(&dev->dev, "no memory recourse provided"); + dev_err(&dev->dev, "no memory resource provided"); return -ENXIO; } -- cgit v1.1 From ac0e3c04eb7dbf093032b72020951f9b92ede3d7 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:44 +0200 Subject: USB: OHCI: fix typo in ohci-platform driver on the word "resource" We meant to write "resource" instead of "recourse", this patch fixes this typo. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 8a606f4..1344426 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -107,7 +107,7 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!res_mem) { - dev_err(&dev->dev, "no memory recourse provided"); + dev_err(&dev->dev, "no memory resource provided"); return -ENXIO; } -- cgit v1.1 From 61ff2745e53512adf22625f9194e83e471882523 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:45 +0200 Subject: USB: EHCI: make ehci-platform use devm_request_and_ioremap helper This patch changes the ehci-platform driver to use the device managed helper function for requesting memory region and ioremapping memory resources. As a result the error path in the probe function is simplified, and the platform driver remove callback does no longer need to release and iounmap memory resources. devm_request_and_ioremap() will use either the ioremap() or ioremap_nocache() handler depending on the resource's CACHEABLE flag, so we are good with this change. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-platform.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 3cb0b1b..272728c 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -123,29 +123,19 @@ static int __devinit ehci_platform_probe(struct platform_device *dev) hcd->rsrc_start = res_mem->start; hcd->rsrc_len = resource_size(res_mem); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_err(&dev->dev, "controller already in use"); - err = -EBUSY; - goto err_put_hcd; - } - - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); + hcd->regs = devm_request_and_ioremap(&dev->dev, res_mem); if (!hcd->regs) { err = -ENOMEM; - goto err_release_region; + goto err_put_hcd; } err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) - goto err_iounmap; + goto err_put_hcd; platform_set_drvdata(dev, hcd); return err; -err_iounmap: - iounmap(hcd->regs); -err_release_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err_put_hcd: usb_put_hcd(hcd); err_power: @@ -161,8 +151,6 @@ static int __devexit ehci_platform_remove(struct platform_device *dev) struct usb_ehci_pdata *pdata = dev->dev.platform_data; usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); platform_set_drvdata(dev, NULL); -- cgit v1.1 From be7ac70b9b1cb49758d52abb554c92c03acd6f08 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 8 Oct 2012 15:11:46 +0200 Subject: USB: OHCI: make ohci-platform use devm_request_and_ioremap helper This patch changes the ohci-platform driver to use the device managed helper function for requesting memory region and ioremapping memory resources. As a result the error path in the probe function is simplified, and the platform driver remove callback does no longer need to release and iounmap memory resources. devm_request_and_ioremap() will use either the ioremap() or ioremap_nocache() handler depending on the resource's CACHEABLE flag, so we are good with this change. Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-platform.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 1344426..bda4e0b 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -127,29 +127,19 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) hcd->rsrc_start = res_mem->start; hcd->rsrc_len = resource_size(res_mem); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_err(&dev->dev, "controller already in use"); - err = -EBUSY; - goto err_put_hcd; - } - - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); + hcd->regs = devm_request_and_ioremap(&dev->dev, res_mem); if (!hcd->regs) { err = -ENOMEM; - goto err_release_region; + goto err_put_hcd; } err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) - goto err_iounmap; + goto err_put_hcd; platform_set_drvdata(dev, hcd); return err; -err_iounmap: - iounmap(hcd->regs); -err_release_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err_put_hcd: usb_put_hcd(hcd); err_power: @@ -165,8 +155,6 @@ static int __devexit ohci_platform_remove(struct platform_device *dev) struct usb_ohci_pdata *pdata = dev->dev.platform_data; usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); platform_set_drvdata(dev, NULL); -- cgit v1.1 From 068b054fde5cc0516717b4ec4d58d0659e1ca43b Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 23 Oct 2012 12:14:37 +0200 Subject: USB: OHCI: sm501: fix build failure after ohci_finish_controller_resume removal Commit cfa49b4b (USB: ohci: merge ohci_finish_controller_resume with ohci_resume) merged ohci_finish_controller_resume with ohci_resume but forgot to update the ohci-sm501 driver accordingly, thus causing the folllowing build failure: drivers/usb/host/ohci-sm501.c: In function 'ohci_sm501_resume': drivers/usb/host/ohci-sm501.c:241:2: error: implicit declaration of function 'ohci_finish_controller_resume' [-Werror=implicit-function-declaration] Reported-by: Fengguang Wu Signed-off-by: Florian Fainelli Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-sm501.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c index 5596ac2..3b5b908 100644 --- a/drivers/usb/host/ohci-sm501.c +++ b/drivers/usb/host/ohci-sm501.c @@ -238,7 +238,7 @@ static int ohci_sm501_resume(struct platform_device *pdev) ohci->next_statechange = jiffies; sm501_unit_power(dev->parent, SM501_GATE_USB_HOST, 1); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #else -- cgit v1.1 From 54388b281c877b2797bb0fc97c099fb7ffd5336a Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Tue, 2 Oct 2012 16:49:25 -0600 Subject: usb: host: tegra remove include of Almost nothing from this file is used, and the file will hopefully be deleted soon. Copy the tiny portions that are used directly into ehci-tegra.c. I believe that Venu Byravarasu is working on cleaning up our USB driver, and those cleanups will remove the need for these constants. Signed-off-by: Stephen Warren Acked-by: Venu Byravarasu Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-tegra.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 6223d175..2de0890 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -28,7 +28,10 @@ #include #include -#include + +#define TEGRA_USB_BASE 0xC5000000 +#define TEGRA_USB2_BASE 0xC5004000 +#define TEGRA_USB3_BASE 0xC5008000 #define TEGRA_USB_DMA_ALIGN 32 -- cgit v1.1 From e1deb56cb775ab953bc5245feaf1f43269409139 Mon Sep 17 00:00:00 2001 From: Thomas Abraham Date: Wed, 3 Oct 2012 08:40:42 +0900 Subject: usb: ehci-s5p: use clk_prepare_enable and clk_disable_unprepare Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare calls as required by common clock framework. Signed-off-by: Thomas Abraham Acked-by: Jingoo Han Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-s5p.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 85b74be..abc178d 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -136,7 +136,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) goto fail_clk; } - err = clk_enable(s5p_ehci->clk); + err = clk_prepare_enable(s5p_ehci->clk); if (err) goto fail_clk; @@ -183,7 +183,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) return 0; fail_io: - clk_disable(s5p_ehci->clk); + clk_disable_unprepare(s5p_ehci->clk); fail_clk: usb_put_hcd(hcd); return err; @@ -200,7 +200,7 @@ static int __devexit s5p_ehci_remove(struct platform_device *pdev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - clk_disable(s5p_ehci->clk); + clk_disable_unprepare(s5p_ehci->clk); usb_put_hcd(hcd); @@ -231,7 +231,7 @@ static int s5p_ehci_suspend(struct device *dev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - clk_disable(s5p_ehci->clk); + clk_disable_unprepare(s5p_ehci->clk); return rc; } @@ -243,7 +243,7 @@ static int s5p_ehci_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct s5p_ehci_platdata *pdata = pdev->dev.platform_data; - clk_enable(s5p_ehci->clk); + clk_prepare_enable(s5p_ehci->clk); if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); -- cgit v1.1 From c05c946c68e381074dde259d8ce243da1b1aae02 Mon Sep 17 00:00:00 2001 From: Thomas Abraham Date: Wed, 3 Oct 2012 08:41:37 +0900 Subject: usb: ohci-exynos: use clk_prepare_enable and clk_disable_unprepare Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare calls as required by common clock framework. Signed-off-by: Thomas Abraham Acked-by: Jingoo Han Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-exynos.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 929a494..9e3d2da 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -123,7 +123,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) goto fail_clk; } - err = clk_enable(exynos_ohci->clk); + err = clk_prepare_enable(exynos_ohci->clk); if (err) goto fail_clken; @@ -167,7 +167,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) return 0; fail_io: - clk_disable(exynos_ohci->clk); + clk_disable_unprepare(exynos_ohci->clk); fail_clken: clk_put(exynos_ohci->clk); fail_clk: @@ -186,7 +186,7 @@ static int __devexit exynos_ohci_remove(struct platform_device *pdev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - clk_disable(exynos_ohci->clk); + clk_disable_unprepare(exynos_ohci->clk); clk_put(exynos_ohci->clk); usb_put_hcd(hcd); @@ -232,7 +232,7 @@ static int exynos_ohci_suspend(struct device *dev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - clk_disable(exynos_ohci->clk); + clk_disable_unprepare(exynos_ohci->clk); fail: spin_unlock_irqrestore(&ohci->lock, flags); @@ -247,7 +247,7 @@ static int exynos_ohci_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data; - clk_enable(exynos_ohci->clk); + clk_prepare_enable(exynos_ohci->clk); if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); -- cgit v1.1 From 60d80adbac9b7492439b1d0665353bc2117b4d78 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 4 Oct 2012 16:11:50 +0900 Subject: USB: ohci-exynos: use devm_clk_get() The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_clk_get() for these functions. Signed-off-by: Jingoo Han Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-exynos.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 9e3d2da..2f30329 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -115,7 +115,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) } exynos_ohci->hcd = hcd; - exynos_ohci->clk = clk_get(&pdev->dev, "usbhost"); + exynos_ohci->clk = devm_clk_get(&pdev->dev, "usbhost"); if (IS_ERR(exynos_ohci->clk)) { dev_err(&pdev->dev, "Failed to get usbhost clock\n"); @@ -125,7 +125,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) err = clk_prepare_enable(exynos_ohci->clk); if (err) - goto fail_clken; + goto fail_clk; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { @@ -168,8 +168,6 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) fail_io: clk_disable_unprepare(exynos_ohci->clk); -fail_clken: - clk_put(exynos_ohci->clk); fail_clk: usb_put_hcd(hcd); return err; @@ -187,7 +185,6 @@ static int __devexit exynos_ohci_remove(struct platform_device *pdev) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); clk_disable_unprepare(exynos_ohci->clk); - clk_put(exynos_ohci->clk); usb_put_hcd(hcd); -- cgit v1.1 From 801f00633568ed6d5eebef5ef10d8b5661379f2c Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Mon, 8 Oct 2012 11:28:25 +0900 Subject: USB: ohci-s3c2410: use devm_ functions The devm_ functions allocate memory that is released when a driver detaches. This makes the code smaller and a bit simpler. Signed-off-by: Jingoo Han Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-s3c2410.c | 32 ++++++++------------------------ 1 file changed, 8 insertions(+), 24 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 281d5c6..e84190f 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -323,8 +323,6 @@ usb_hcd_s3c2410_remove(struct usb_hcd *hcd, struct platform_device *dev) { usb_remove_hcd(hcd); s3c2410_stop_hc(dev); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); } @@ -353,35 +351,29 @@ static int usb_hcd_s3c2410_probe(const struct hc_driver *driver, hcd->rsrc_start = dev->resource[0].start; hcd->rsrc_len = resource_size(&dev->resource[0]); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_err(&dev->dev, "request_mem_region failed\n"); - retval = -EBUSY; + hcd->regs = devm_request_and_ioremap(&dev->dev, &dev->resource[0]); + if (!hcd->regs) { + dev_err(&dev->dev, "devm_request_and_ioremap failed\n"); + retval = -ENOMEM; goto err_put; } - clk = clk_get(&dev->dev, "usb-host"); + clk = devm_clk_get(&dev->dev, "usb-host"); if (IS_ERR(clk)) { dev_err(&dev->dev, "cannot get usb-host clock\n"); retval = PTR_ERR(clk); - goto err_mem; + goto err_put; } - usb_clk = clk_get(&dev->dev, "usb-bus-host"); + usb_clk = devm_clk_get(&dev->dev, "usb-bus-host"); if (IS_ERR(usb_clk)) { dev_err(&dev->dev, "cannot get usb-bus-host clock\n"); retval = PTR_ERR(usb_clk); - goto err_clk; + goto err_put; } s3c2410_start_hc(dev, hcd); - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_err(&dev->dev, "ioremap failed\n"); - retval = -ENOMEM; - goto err_ioremap; - } - ohci_hcd_init(hcd_to_ohci(hcd)); retval = usb_add_hcd(hcd, dev->resource[1].start, 0); @@ -392,14 +384,6 @@ static int usb_hcd_s3c2410_probe(const struct hc_driver *driver, err_ioremap: s3c2410_stop_hc(dev); - iounmap(hcd->regs); - clk_put(usb_clk); - - err_clk: - clk_put(clk); - - err_mem: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err_put: usb_put_hcd(hcd); -- cgit v1.1 From 6273f1810f95f4deeb2f0d6810f301726ad32308 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Thu, 18 Oct 2012 12:24:43 +0800 Subject: USB: EHCI: add condition for delay during the resume Without this condition, all controllers will do this delay, and increase the resume time. Only enabled and unsuspended port needs this delay, but Some buggy hardware(like Synopsys usb controller) will clear suspend bit once they receive/send resume signal, so it takes resume bit as consideration. Tested it at Freescale i.mx6q Sabrelite board. Signed-off-by: Peter Chen Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hub.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 914ce93..a7ec827 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -384,11 +384,24 @@ static int ehci_bus_resume (struct usb_hcd *hcd) ehci_writel(ehci, ehci->command, &ehci->regs->command); ehci->rh_state = EHCI_RH_RUNNING; - /* Some controller/firmware combinations need a delay during which - * they set up the port statuses. See Bugzilla #8190. */ - spin_unlock_irq(&ehci->lock); - msleep(8); - spin_lock_irq(&ehci->lock); + /* + * According to Bugzilla #8190, the port status for some controllers + * will be wrong without a delay. At their wrong status, the port + * is enabled, but not suspended neither resumed. + */ + i = HCS_N_PORTS(ehci->hcs_params); + while (i--) { + temp = ehci_readl(ehci, &ehci->regs->port_status[i]); + if ((temp & PORT_PE) && + !(temp & (PORT_SUSPEND | PORT_RESUME))) { + ehci_dbg(ehci, "Port status(0x%x) is wrong\n", temp); + spin_unlock_irq(&ehci->lock); + msleep(8); + spin_lock_irq(&ehci->lock); + break; + } + } + if (ehci->shutdown) goto shutdown; -- cgit v1.1 From d6064aca824b81fbb788fd230c88976d84b651b1 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 10 Oct 2012 15:07:30 -0400 Subject: USB: EHCI: move logging macros to ehci.h In preparation for splitting the ehci-hcd driver into a core library and separate platform-specific driver modules, this patch (as1616) moves the console logging macros from ehci-dbg.c to ehci.h, where they will be available to the platform drivers. Signed-off-by: Alan Stern Acked-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-dbg.c | 15 --------------- drivers/usb/host/ehci.h | 15 +++++++++++++++ 2 files changed, 15 insertions(+), 15 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 1599806..dfd3bf3 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -18,21 +18,6 @@ /* this file is part of ehci-hcd.c */ -#define ehci_dbg(ehci, fmt, args...) \ - dev_dbg (ehci_to_hcd(ehci)->self.controller , fmt , ## args ) -#define ehci_err(ehci, fmt, args...) \ - dev_err (ehci_to_hcd(ehci)->self.controller , fmt , ## args ) -#define ehci_info(ehci, fmt, args...) \ - dev_info (ehci_to_hcd(ehci)->self.controller , fmt , ## args ) -#define ehci_warn(ehci, fmt, args...) \ - dev_warn (ehci_to_hcd(ehci)->self.controller , fmt , ## args ) - -#ifdef VERBOSE_DEBUG -# define ehci_vdbg ehci_dbg -#else - static inline void ehci_vdbg(struct ehci_hcd *ehci, ...) {} -#endif - #ifdef DEBUG /* check the values in the HCSPARAMS register diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 4ddf7c5..9b8cbb4 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -761,6 +761,21 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) /*-------------------------------------------------------------------------*/ +#define ehci_dbg(ehci, fmt, args...) \ + dev_dbg(ehci_to_hcd(ehci)->self.controller , fmt , ## args) +#define ehci_err(ehci, fmt, args...) \ + dev_err(ehci_to_hcd(ehci)->self.controller , fmt , ## args) +#define ehci_info(ehci, fmt, args...) \ + dev_info(ehci_to_hcd(ehci)->self.controller , fmt , ## args) +#define ehci_warn(ehci, fmt, args...) \ + dev_warn(ehci_to_hcd(ehci)->self.controller , fmt , ## args) + +#ifdef VERBOSE_DEBUG +# define ehci_vdbg ehci_dbg +#else + static inline void ehci_vdbg(struct ehci_hcd *ehci, ...) {} +#endif + #ifdef CONFIG_PCI /* For working around the MosChip frame-index-register bug */ -- cgit v1.1 From acc08503406f97ce6582c92fd8c8139f1e871a96 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 10 Oct 2012 15:07:39 -0400 Subject: USB: EHCI: make ehci_read_frame_index platform independent In preparation for splitting the ehci-hcd driver into a core library and separate platform-specific driver modules, this patch (as1617) changes the way ehci_read_frame_index() is handled. Since the same core library will have to work with both PCI and non-PCI platforms, the quirk handler routine will be compiled unconditionally. The decision about whether to call it or simply to read the frame index register is made at run time, based on whether the frame_index_bug quirk flag is set. Signed-off-by: Alan Stern Acked-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 27 ++++++++++++++++++++++++++- drivers/usb/host/ehci-sched.c | 23 ----------------------- drivers/usb/host/ehci.h | 16 ---------------- 3 files changed, 26 insertions(+), 40 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 28fb5dd..9c2afb51 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -118,9 +118,34 @@ MODULE_PARM_DESC(hird, "host initiated resume duration, +1 for each 75us"); /*-------------------------------------------------------------------------*/ #include "ehci.h" -#include "ehci-dbg.c" #include "pci-quirks.h" +/* + * The MosChip MCS9990 controller updates its microframe counter + * a little before the frame counter, and occasionally we will read + * the invalid intermediate value. Avoid problems by checking the + * microframe number (the low-order 3 bits); if they are 0 then + * re-read the register to get the correct value. + */ +static unsigned ehci_moschip_read_frame_index(struct ehci_hcd *ehci) +{ + unsigned uf; + + uf = ehci_readl(ehci, &ehci->regs->frame_index); + if (unlikely((uf & 7) == 0)) + uf = ehci_readl(ehci, &ehci->regs->frame_index); + return uf; +} + +static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci) +{ + if (ehci->frame_index_bug) + return ehci_moschip_read_frame_index(ehci); + return ehci_readl(ehci, &ehci->regs->frame_index); +} + +#include "ehci-dbg.c" + /*-------------------------------------------------------------------------*/ /* diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index b538a4d..2e14714 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -36,29 +36,6 @@ static int ehci_get_frame (struct usb_hcd *hcd); -#ifdef CONFIG_PCI - -static unsigned ehci_read_frame_index(struct ehci_hcd *ehci) -{ - unsigned uf; - - /* - * The MosChip MCS9990 controller updates its microframe counter - * a little before the frame counter, and occasionally we will read - * the invalid intermediate value. Avoid problems by checking the - * microframe number (the low-order 3 bits); if they are 0 then - * re-read the register to get the correct value. - */ - uf = ehci_readl(ehci, &ehci->regs->frame_index); - if (unlikely(ehci->frame_index_bug && ((uf & 7) == 0))) - uf = ehci_readl(ehci, &ehci->regs->frame_index); - return uf; -} - -#endif - -/*-------------------------------------------------------------------------*/ - /* * periodic_next_shadow - return "next" pointer on shadow list * @periodic: host pointer to qh/itd/sitd diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 9b8cbb4..ec948c3 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -776,22 +776,6 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) static inline void ehci_vdbg(struct ehci_hcd *ehci, ...) {} #endif -#ifdef CONFIG_PCI - -/* For working around the MosChip frame-index-register bug */ -static unsigned ehci_read_frame_index(struct ehci_hcd *ehci); - -#else - -static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci) -{ - return ehci_readl(ehci, &ehci->regs->frame_index); -} - -#endif - -/*-------------------------------------------------------------------------*/ - #ifndef DEBUG #define STUB_DEBUG_FILES #endif /* DEBUG */ -- cgit v1.1 From d39dbc8918be0e6bb850592e334203c9114c0e77 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 10 Oct 2012 15:07:46 -0400 Subject: USB: EHCI: move ehci_update_device() to ehci-lpm.c In preparation for splitting the ehci-hcd driver into a core library and separate platform-specific driver modules, this patch (as1618) moves ehci_update_device() from a couple of platform-specific source files into ehci-lpm.c. This is where it should have been all along, since all it does is call a couple of other functions that are already in ehci-lpm.c. Signed-off-by: Alan Stern Acked-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-lpm.c | 23 ++++++++++++++++++++--- drivers/usb/host/ehci-pci.c | 16 ---------------- drivers/usb/host/ehci-vt8500.c | 16 ---------------- 3 files changed, 20 insertions(+), 35 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-lpm.c b/drivers/usb/host/ehci-lpm.c index 2111627..6b092c1 100644 --- a/drivers/usb/host/ehci-lpm.c +++ b/drivers/usb/host/ehci-lpm.c @@ -17,8 +17,8 @@ */ /* this file is part of ehci-hcd.c */ -static int __maybe_unused ehci_lpm_set_da(struct ehci_hcd *ehci, - int dev_addr, int port_num) + +static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num) { u32 __iomem portsc; @@ -38,7 +38,7 @@ static int __maybe_unused ehci_lpm_set_da(struct ehci_hcd *ehci, * this function is used to check if the device support LPM * if yes, mark the PORTSC register with PORT_LPM bit */ -static int __maybe_unused ehci_lpm_check(struct ehci_hcd *ehci, int port) +static int ehci_lpm_check(struct ehci_hcd *ehci, int port) { u32 __iomem *portsc ; u32 val32; @@ -82,3 +82,20 @@ static int __maybe_unused ehci_lpm_check(struct ehci_hcd *ehci, int port) return retval; } + +static int __maybe_unused ehci_update_device(struct usb_hcd *hcd, + struct usb_device *udev) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + int rc = 0; + + if (!udev->parent) /* udev is root hub itself, impossible */ + rc = -1; + /* we only support lpm device connected to root hub yet */ + if (ehci->has_lpm && !udev->parent->parent) { + rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum); + if (!rc) + rc = ehci_lpm_check(ehci, udev->portnum); + } + return rc; +} diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index d1407f8..7880ba6 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -379,22 +379,6 @@ static int ehci_pci_resume(struct usb_hcd *hcd, bool hibernated) } #endif -static int ehci_update_device(struct usb_hcd *hcd, struct usb_device *udev) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int rc = 0; - - if (!udev->parent) /* udev is root hub itself, impossible */ - rc = -1; - /* we only support lpm device connected to root hub yet */ - if (ehci->has_lpm && !udev->parent->parent) { - rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum); - if (!rc) - rc = ehci_lpm_check(ehci, udev->portnum); - } - return rc; -} - static const struct hc_driver ehci_pci_hc_driver = { .description = hcd_name, .product_desc = "EHCI Host Controller", diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c index d3c9a3e..c6fe0bb 100644 --- a/drivers/usb/host/ehci-vt8500.c +++ b/drivers/usb/host/ehci-vt8500.c @@ -19,22 +19,6 @@ #include #include -static int ehci_update_device(struct usb_hcd *hcd, struct usb_device *udev) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int rc = 0; - - if (!udev->parent) /* udev is root hub itself, impossible */ - rc = -1; - /* we only support lpm device connected to root hub yet */ - if (ehci->has_lpm && !udev->parent->parent) { - rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum); - if (!rc) - rc = ehci_lpm_check(ehci, udev->portnum); - } - return rc; -} - static const struct hc_driver vt8500_ehci_hc_driver = { .description = hcd_name, .product_desc = "VT8500 EHCI", -- cgit v1.1 From 969ddcfc95c9a1849114fb72466d2fdea70f1d48 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 19 Oct 2012 11:03:02 -0400 Subject: USB: hub_for_each_child should skip unconnected ports This patch (as1619) improves the interface to the "hub_for_each_child" macro. The name clearly suggests that the macro iterates over child devices; it does not suggest that the loop will also iterate over unnconnected ports. The patch changes the macro so that it will skip over unconnected ports and iterate only the actual child devices. The two existing call sites are updated to avoid testing for a NULL child pointer, which is now unnecessary. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/r8a66597-hcd.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index fcc09e5..b3eea0b 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2036,10 +2036,8 @@ static void collect_usb_address_map(struct usb_device *udev, unsigned long *map) udev->parent->descriptor.bDeviceClass == USB_CLASS_HUB) map[udev->devnum/32] |= (1 << (udev->devnum % 32)); - usb_hub_for_each_child(udev, chix, childdev) { - if (childdev) - collect_usb_address_map(childdev, map); - } + usb_hub_for_each_child(udev, chix, childdev) + collect_usb_address_map(childdev, map); } /* this function must be called with interrupt disabled */ -- cgit v1.1 From bd066eef1aea5dd1f8e98934c4c6d21c5e0439c8 Mon Sep 17 00:00:00 2001 From: "Justin P. Mattock" Date: Tue, 23 Oct 2012 07:45:01 -0700 Subject: usb: "ehci-w90x900" Fix a typo and add some whitespace. Signed-off-by: Justin P. Mattock Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-w90x900.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index ec59808..fdd7c48 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -13,7 +13,7 @@ #include -/*ebable phy0 and phy1 for w90p910*/ +/* enable phy0 and phy1 for w90p910 */ #define ENPHY (0x01<<8) #define PHY0_CTR (0xA4) #define PHY1_CTR (0xA8) -- cgit v1.1 From d124a60dbbe7c12f3871e2c7fc71f98a821ee9a8 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Mon, 22 Oct 2012 12:02:16 +0900 Subject: USB: isp1760-if: Change to use irq_of_parse_and_map This uses irq_of_parse_and_map instead of of_irq_map_one and irq_create_of_mapping. Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/isp1760-if.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c index fff114f..958379f 100644 --- a/drivers/usb/host/isp1760-if.c +++ b/drivers/usb/host/isp1760-if.c @@ -43,7 +43,6 @@ static int of_isp1760_probe(struct platform_device *dev) struct device_node *dp = dev->dev.of_node; struct resource *res; struct resource memory; - struct of_irq oirq; int virq; resource_size_t res_len; int ret; @@ -69,14 +68,12 @@ static int of_isp1760_probe(struct platform_device *dev) goto free_data; } - if (of_irq_map_one(dp, 0, &oirq)) { + virq = irq_of_parse_and_map(dp, 0); + if (!virq) { ret = -ENODEV; goto release_reg; } - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); - if (of_device_is_compatible(dp, "nxp,usb-isp1761")) devflags |= ISP1760_FLAG_ISP1761; -- cgit v1.1 From 4968f951913997adc8c68c4e986e8168ee1d2998 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 31 Oct 2012 13:12:11 -0400 Subject: USB: EHCI: remove unused Link Power Management code This patch (as1622) removes the USB-2.1 Link Power Management code from the ehci-hcd driver. This code was never integrated with usbcore, it is full of bugs, and it was not getting used by anybody. However, the debugging code for dumping the LPM-related fields in the EHCI registers is left in place. In theory it might be useful to see these values, even though we don't use them. This essentially amounts to a partial revert of commit aa4d8342988d0c1a79ff19b2ede1e81dfbb16ea5 (USB: EHCI: EHCI 1.1 addendum: preparation) and an almost full revert of commit 48f24970144479c29b8cee6d2e1dbedf6dcf9cfb (USB: EHCI: EHCI 1.1 addendum: Basic LPM feature support) plus its follow-ons. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-dbg.c | 97 --------------------------------------- drivers/usb/host/ehci-hcd.c | 18 -------- drivers/usb/host/ehci-hub.c | 5 -- drivers/usb/host/ehci-lpm.c | 101 ----------------------------------------- drivers/usb/host/ehci-pci.c | 13 +----- drivers/usb/host/ehci-vt8500.c | 5 -- drivers/usb/host/ehci.h | 1 - 7 files changed, 1 insertion(+), 239 deletions(-) delete mode 100644 drivers/usb/host/ehci-lpm.c (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index dfd3bf3..70b496d 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -337,11 +337,6 @@ static int debug_async_open(struct inode *, struct file *); static int debug_periodic_open(struct inode *, struct file *); static int debug_registers_open(struct inode *, struct file *); static int debug_async_open(struct inode *, struct file *); -static ssize_t debug_lpm_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos); -static ssize_t debug_lpm_write(struct file *file, const char __user *buffer, - size_t count, loff_t *ppos); -static int debug_lpm_close(struct inode *inode, struct file *file); static ssize_t debug_output(struct file*, char __user*, size_t, loff_t*); static int debug_close(struct inode *, struct file *); @@ -367,14 +362,6 @@ static const struct file_operations debug_registers_fops = { .release = debug_close, .llseek = default_llseek, }; -static const struct file_operations debug_lpm_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = debug_lpm_read, - .write = debug_lpm_write, - .release = debug_lpm_close, - .llseek = noop_llseek, -}; static struct dentry *ehci_debug_root; @@ -956,86 +943,6 @@ static int debug_registers_open(struct inode *inode, struct file *file) return file->private_data ? 0 : -ENOMEM; } -static int debug_lpm_close(struct inode *inode, struct file *file) -{ - return 0; -} - -static ssize_t debug_lpm_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - /* TODO: show lpm stats */ - return 0; -} - -static ssize_t debug_lpm_write(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct usb_hcd *hcd; - struct ehci_hcd *ehci; - char buf[50]; - size_t len; - u32 temp; - unsigned long port; - u32 __iomem *portsc ; - u32 params; - - hcd = bus_to_hcd(file->private_data); - ehci = hcd_to_ehci(hcd); - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - buf[len] = '\0'; - if (len > 0 && buf[len - 1] == '\n') - buf[len - 1] = '\0'; - - if (strncmp(buf, "enable", 5) == 0) { - if (strict_strtoul(buf + 7, 10, &port)) - return -EINVAL; - params = ehci_readl(ehci, &ehci->caps->hcs_params); - if (port > HCS_N_PORTS(params)) { - ehci_dbg(ehci, "ERR: LPM on bad port %lu\n", port); - return -ENODEV; - } - portsc = &ehci->regs->port_status[port-1]; - temp = ehci_readl(ehci, portsc); - if (!(temp & PORT_DEV_ADDR)) { - ehci_dbg(ehci, "LPM: no device attached\n"); - return -ENODEV; - } - temp |= PORT_LPM; - ehci_writel(ehci, temp, portsc); - printk(KERN_INFO "force enable LPM for port %lu\n", port); - } else if (strncmp(buf, "hird=", 5) == 0) { - unsigned long hird; - if (strict_strtoul(buf + 5, 16, &hird)) - return -EINVAL; - printk(KERN_INFO "setting hird %s %lu\n", buf + 6, hird); - ehci->command = (ehci->command & ~CMD_HIRD) | (hird << 24); - ehci_writel(ehci, ehci->command, &ehci->regs->command); - } else if (strncmp(buf, "disable", 7) == 0) { - if (strict_strtoul(buf + 8, 10, &port)) - return -EINVAL; - params = ehci_readl(ehci, &ehci->caps->hcs_params); - if (port > HCS_N_PORTS(params)) { - ehci_dbg(ehci, "ERR: LPM off bad port %lu\n", port); - return -ENODEV; - } - portsc = &ehci->regs->port_status[port-1]; - temp = ehci_readl(ehci, portsc); - if (!(temp & PORT_DEV_ADDR)) { - ehci_dbg(ehci, "ERR: no device attached\n"); - return -ENODEV; - } - temp &= ~PORT_LPM; - ehci_writel(ehci, temp, portsc); - printk(KERN_INFO "disabled LPM for port %lu\n", port); - } else - return -EOPNOTSUPP; - return count; -} - static inline void create_debug_files (struct ehci_hcd *ehci) { struct usb_bus *bus = &ehci_to_hcd(ehci)->self; @@ -1056,10 +963,6 @@ static inline void create_debug_files (struct ehci_hcd *ehci) &debug_registers_fops)) goto file_error; - if (!debugfs_create_file("lpm", S_IRUGO|S_IWUSR, ehci->debug_dir, bus, - &debug_lpm_fops)) - goto file_error; - return; file_error: diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 9c2afb51..68dd1c9 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -39,7 +39,6 @@ #include #include #include -#include #include #include @@ -108,11 +107,6 @@ static bool ignore_oc = 0; module_param (ignore_oc, bool, S_IRUGO); MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications"); -/* for link power management(LPM) feature */ -static unsigned int hird; -module_param(hird, int, S_IRUGO); -MODULE_PARM_DESC(hird, "host initiated resume duration, +1 for each 75us"); - #define INTR_MASK (STS_IAA | STS_FATAL | STS_PCD | STS_ERR | STS_INT) /*-------------------------------------------------------------------------*/ @@ -318,7 +312,6 @@ static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); #include "ehci-timer.c" #include "ehci-hub.c" -#include "ehci-lpm.c" #include "ehci-mem.c" #include "ehci-q.c" #include "ehci-sched.c" @@ -580,17 +573,6 @@ static int ehci_init(struct usb_hcd *hcd) temp &= ~(3 << 2); temp |= (EHCI_TUNE_FLS << 2); } - if (HCC_LPM(hcc_params)) { - /* support link power management EHCI 1.1 addendum */ - ehci_dbg(ehci, "support lpm\n"); - ehci->has_lpm = 1; - if (hird > 0xf) { - ehci_dbg(ehci, "hird %d invalid, use default 0", - hird); - hird = 0; - } - temp |= hird << 24; - } ehci->command = temp; /* Accept arbitrarily long scatter-gather lists */ diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index a7ec827..a2c56cd 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -777,11 +777,6 @@ static int ehci_hub_control ( status_reg); break; case USB_PORT_FEAT_C_CONNECTION: - if (ehci->has_lpm) { - /* clear PORTSC bits on disconnect */ - temp &= ~PORT_LPM; - temp &= ~PORT_DEV_ADDR; - } ehci_writel(ehci, temp | PORT_CSC, status_reg); break; case USB_PORT_FEAT_C_OVER_CURRENT: diff --git a/drivers/usb/host/ehci-lpm.c b/drivers/usb/host/ehci-lpm.c deleted file mode 100644 index 6b092c1..0000000 --- a/drivers/usb/host/ehci-lpm.c +++ /dev/null @@ -1,101 +0,0 @@ -/* ehci-lpm.c EHCI HCD LPM support code - * Copyright (c) 2008 - 2010, Intel Corporation. - * Author: Jacob Pan - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -/* this file is part of ehci-hcd.c */ - -static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num) -{ - u32 __iomem portsc; - - ehci_dbg(ehci, "set dev address %d for port %d\n", dev_addr, port_num); - if (port_num > HCS_N_PORTS(ehci->hcs_params)) { - ehci_dbg(ehci, "invalid port number %d\n", port_num); - return -ENODEV; - } - portsc = ehci_readl(ehci, &ehci->regs->port_status[port_num-1]); - portsc &= ~PORT_DEV_ADDR; - portsc |= dev_addr<<25; - ehci_writel(ehci, portsc, &ehci->regs->port_status[port_num-1]); - return 0; -} - -/* - * this function is used to check if the device support LPM - * if yes, mark the PORTSC register with PORT_LPM bit - */ -static int ehci_lpm_check(struct ehci_hcd *ehci, int port) -{ - u32 __iomem *portsc ; - u32 val32; - int retval; - - portsc = &ehci->regs->port_status[port-1]; - val32 = ehci_readl(ehci, portsc); - if (!(val32 & PORT_DEV_ADDR)) { - ehci_dbg(ehci, "LPM: no device attached\n"); - return -ENODEV; - } - val32 |= PORT_LPM; - ehci_writel(ehci, val32, portsc); - msleep(5); - val32 |= PORT_SUSPEND; - ehci_dbg(ehci, "Sending LPM 0x%08x to port %d\n", val32, port); - ehci_writel(ehci, val32, portsc); - /* wait for ACK */ - msleep(10); - retval = handshake(ehci, &ehci->regs->port_status[port-1], PORT_SSTS, - PORTSC_SUSPEND_STS_ACK, 125); - dbg_port(ehci, "LPM", port, val32); - if (retval != -ETIMEDOUT) { - ehci_dbg(ehci, "LPM: device ACK for LPM\n"); - val32 |= PORT_LPM; - /* - * now device should be in L1 sleep, let's wake up the device - * so that we can complete enumeration. - */ - ehci_writel(ehci, val32, portsc); - msleep(10); - val32 |= PORT_RESUME; - ehci_writel(ehci, val32, portsc); - } else { - ehci_dbg(ehci, "LPM: device does not ACK, disable LPM %d\n", - retval); - val32 &= ~PORT_LPM; - retval = -ETIMEDOUT; - ehci_writel(ehci, val32, portsc); - } - - return retval; -} - -static int __maybe_unused ehci_update_device(struct usb_hcd *hcd, - struct usb_device *udev) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int rc = 0; - - if (!udev->parent) /* udev is root hub itself, impossible */ - rc = -1; - /* we only support lpm device connected to root hub yet */ - if (ehci->has_lpm && !udev->parent->parent) { - rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum); - if (!rc) - rc = ehci_lpm_check(ehci, udev->portnum); - } - return rc; -} diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 7880ba6..e17330a 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -202,11 +202,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; case PCI_VENDOR_ID_INTEL: ehci->need_io_watchdog = 0; - if (pdev->device == 0x0806 || pdev->device == 0x0811 - || pdev->device == 0x0829) { - ehci_info(ehci, "disable lpm for langwell/penwell\n"); - ehci->has_lpm = 0; - } break; case PCI_VENDOR_ID_NVIDIA: switch (pdev->device) { @@ -216,8 +211,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) * devices with PPCD enabled. */ case 0x0d9d: - ehci_info(ehci, "disable lpm/ppcd for nvidia mcp89"); - ehci->has_lpm = 0; + ehci_info(ehci, "disable ppcd for nvidia mcp89\n"); ehci->has_ppcd = 0; ehci->command &= ~CMD_PPCEE; break; @@ -425,11 +419,6 @@ static const struct hc_driver ehci_pci_hc_driver = { .relinquish_port = ehci_relinquish_port, .port_handed_over = ehci_port_handed_over, - /* - * call back when device connected and addressed - */ - .update_device = ehci_update_device, - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c index c6fe0bb..11695d5 100644 --- a/drivers/usb/host/ehci-vt8500.c +++ b/drivers/usb/host/ehci-vt8500.c @@ -61,11 +61,6 @@ static const struct hc_driver vt8500_ehci_hc_driver = { .relinquish_port = ehci_relinquish_port, .port_handed_over = ehci_port_handed_over, - /* - * call back when device connected and addressed - */ - .update_device = ehci_update_device, - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index ec948c3..2262dcd 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -206,7 +206,6 @@ struct ehci_hcd { /* one per controller */ #define OHCI_HCCTRL_LEN 0x4 __hc32 *ohci_hcctrl_reg; unsigned has_hostpc:1; - unsigned has_lpm:1; /* support link power management */ unsigned has_ppcd:1; /* support per-port change bits */ u8 sbrn; /* packed release number */ -- cgit v1.1 From c73cee717e7d5da0698acb720ad1219646fe4f46 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 31 Oct 2012 13:21:06 -0400 Subject: USB: EHCI: remove ehci_port_power() routine This patch (as1623) removes the ehci_port_power() routine and all the places that call it. There's no reason for ehci-hcd to change the port power settings; the hub driver takes care of all that stuff. There is one exception: When the controller is resumed from hibernation or following a loss of power, the ports that are supposed to be handed over to a companion controller must be powered on first. Otherwise the handover won't work. This process is not visible to the hub driver, so it has to be handled in ehci-hcd. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-atmel.c | 9 +-------- drivers/usb/host/ehci-fsl.c | 1 - drivers/usb/host/ehci-grlib.c | 18 +----------------- drivers/usb/host/ehci-hcd.c | 21 --------------------- drivers/usb/host/ehci-hub.c | 13 +++++++++++++ drivers/usb/host/ehci-msm.c | 1 - drivers/usb/host/ehci-mxc.c | 8 +------- drivers/usb/host/ehci-octeon.c | 3 --- drivers/usb/host/ehci-omap.c | 3 --- drivers/usb/host/ehci-orion.c | 16 +--------------- drivers/usb/host/ehci-pci.c | 1 - drivers/usb/host/ehci-platform.c | 5 ----- drivers/usb/host/ehci-pmcmsp.c | 1 - drivers/usb/host/ehci-sh.c | 9 +-------- drivers/usb/host/ehci-spear.c | 9 +-------- drivers/usb/host/ehci-tegra.c | 8 +------- 16 files changed, 20 insertions(+), 106 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 411bb74..d23321e 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -53,18 +53,11 @@ static void atmel_stop_ehci(struct platform_device *pdev) static int ehci_atmel_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; /* registers start at offset 0x0 */ ehci->caps = hcd->regs; - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - - return retval; + return ehci_setup(hcd); } static const struct hc_driver ehci_atmel_hc_driver = { diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 0d2f35c..fd9b542 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -349,7 +349,6 @@ static int ehci_fsl_reinit(struct ehci_hcd *ehci) { if (ehci_fsl_usb_setup(ehci)) return -EINVAL; - ehci_port_power(ehci, 0); return 0; } diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c index 3180cb3..da42695 100644 --- a/drivers/usb/host/ehci-grlib.c +++ b/drivers/usb/host/ehci-grlib.c @@ -34,22 +34,6 @@ #define GRUSBHC_HCIVERSION 0x0100 /* Known value of cap. reg. HCIVERSION */ -/* called during probe() after chip reset completes */ -static int ehci_grlib_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 1); - - return retval; -} - - static const struct hc_driver ehci_grlib_hc_driver = { .description = hcd_name, .product_desc = "GRLIB GRUSBHC EHCI", @@ -64,7 +48,7 @@ static const struct hc_driver ehci_grlib_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_grlib_setup, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 68dd1c9..ab4a769a 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -371,24 +371,6 @@ static void ehci_shutdown(struct usb_hcd *hcd) hrtimer_cancel(&ehci->hrtimer); } -static void ehci_port_power (struct ehci_hcd *ehci, int is_on) -{ - unsigned port; - - if (!HCS_PPC (ehci->hcs_params)) - return; - - ehci_dbg (ehci, "...power%s ports...\n", is_on ? "up" : "down"); - for (port = HCS_N_PORTS (ehci->hcs_params); port > 0; ) - (void) ehci_hub_control(ehci_to_hcd(ehci), - is_on ? SetPortFeature : ClearPortFeature, - USB_PORT_FEAT_POWER, - port--, NULL, 0); - /* Flush those writes */ - ehci_readl(ehci, &ehci->regs->command); - msleep(20); -} - /*-------------------------------------------------------------------------*/ /* @@ -1184,9 +1166,6 @@ static int __maybe_unused ehci_resume(struct usb_hcd *hcd, bool hibernated) ehci->rh_state = EHCI_RH_SUSPENDED; spin_unlock_irq(&ehci->lock); - /* here we "know" root ports should always stay powered */ - ehci_port_power(ehci, 1); - return 1; } diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index a2c56cd..a59c61f 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -56,6 +56,19 @@ static void ehci_handover_companion_ports(struct ehci_hcd *ehci) if (!ehci->owned_ports) return; + /* Make sure the ports are powered */ + port = HCS_N_PORTS(ehci->hcs_params); + while (port--) { + if (test_bit(port, &ehci->owned_ports)) { + reg = &ehci->regs->port_status[port]; + status = ehci_readl(ehci, reg) & ~PORT_RWC_BITS; + if (!(status & PORT_POWER)) { + status |= PORT_POWER; + ehci_writel(ehci, status, reg); + } + } + } + /* Give the connections some time to appear */ msleep(20); diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index 4af4dc5..7fa1ba4 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -53,7 +53,6 @@ static int ehci_msm_reset(struct usb_hcd *hcd) /* Disable streaming mode and select host mode */ writel(0x13, USB_USBMODE); - ehci_port_power(ehci, 1); return 0; } diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 4a08fc0..a37224a 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -40,16 +40,10 @@ struct ehci_mxc_priv { static int ehci_mxc_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; hcd->has_tt = 1; - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - return 0; + return ehci_setup(hcd); } static const struct hc_driver ehci_mxc_hc_driver = { diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c index ba26957a..a89750f 100644 --- a/drivers/usb/host/ehci-octeon.c +++ b/drivers/usb/host/ehci-octeon.c @@ -159,9 +159,6 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev) platform_set_drvdata(pdev, hcd); - /* root ports should always stay powered */ - ehci_port_power(ehci, 1); - return 0; err3: ehci_octeon_stop(); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index d7fe287..44e7d0f 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -146,9 +146,6 @@ static int omap_ehci_init(struct usb_hcd *hcd) gpio_set_value_cansleep(pdata->reset_gpio_port[1], 1); } - /* root ports should always stay powered */ - ehci_port_power(ehci, 1); - return rc; } diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 9c2717d..96da679 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -101,20 +101,6 @@ static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) wrl(USB_MODE, 0x13); } -static int ehci_orion_setup(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - - return retval; -} - static const struct hc_driver ehci_orion_hc_driver = { .description = hcd_name, .product_desc = "Marvell Orion EHCI", @@ -129,7 +115,7 @@ static const struct hc_driver ehci_orion_hc_driver = { /* * basic lifecycle operations */ - .reset = ehci_orion_setup, + .reset = ehci_setup, .start = ehci_run, .stop = ehci_stop, .shutdown = ehci_shutdown, diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index e17330a..c92dcae 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -297,7 +297,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) ehci_warn(ehci, "selective suspend/wakeup unavailable\n"); #endif - ehci_port_power(ehci, 1); retval = ehci_pci_reinit(ehci, pdev); done: return retval; diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 272728c..6e6c23b 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -40,11 +40,6 @@ static int ehci_platform_reset(struct usb_hcd *hcd) if (pdata->no_io_watchdog) ehci->need_io_watchdog = 0; - if (pdata->port_power_on) - ehci_port_power(ehci, 1); - if (pdata->port_power_off) - ehci_port_power(ehci, 0); - return 0; } diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c index 087aee2..363890e 100644 --- a/drivers/usb/host/ehci-pmcmsp.c +++ b/drivers/usb/host/ehci-pmcmsp.c @@ -90,7 +90,6 @@ static int ehci_msp_setup(struct usb_hcd *hcd) return retval; usb_hcd_tdi_set_mode(ehci); - ehci_port_power(ehci, 0); return retval; } diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c index 6081e1e..0c90a24 100644 --- a/drivers/usb/host/ehci-sh.c +++ b/drivers/usb/host/ehci-sh.c @@ -21,17 +21,10 @@ struct ehci_sh_priv { static int ehci_sh_reset(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int ret; ehci->caps = hcd->regs; - ret = ehci_setup(hcd); - if (unlikely(ret)) - return ret; - - ehci_port_power(ehci, 0); - - return ret; + return ehci_setup(hcd); } static const struct hc_driver ehci_sh_hc_driver = { diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index c718a06..719ca48 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -37,18 +37,11 @@ static void spear_stop_ehci(struct spear_ehci *ehci) static int ehci_spear_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval = 0; /* registers start at offset 0x0 */ ehci->caps = hcd->regs; - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 0); - - return retval; + return ehci_setup(hcd); } static const struct hc_driver ehci_spear_hc_driver = { diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 2de0890..94ee321 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -280,7 +280,6 @@ static void tegra_ehci_shutdown(struct usb_hcd *hcd) static int tegra_ehci_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; @@ -288,12 +287,7 @@ static int tegra_ehci_setup(struct usb_hcd *hcd) /* switch to host mode */ hcd->has_tt = 1; - retval = ehci_setup(hcd); - if (retval) - return retval; - - ehci_port_power(ehci, 1); - return retval; + return ehci_setup(hcd); } struct dma_aligned_buffer { -- cgit v1.1 From 3e0232039967d7a1a06c013d097458b4d5892af1 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 1 Nov 2012 11:12:58 -0400 Subject: USB: EHCI: prepare to make ehci-hcd a library module This patch (as1624) prepares ehci-hcd for being split up into a core library and separate platform driver modules. A generic ehci_hc_driver structure is created, containing all the "standard" values, and a new mechanism is added whereby a driver module can specify a set of overrides to those values. In addition the ehci_setup(), ehci_suspend(), and ehci_resume() routines need to be EXPORTed for use by the drivers. As a side effect of this change, a few routines no longer need to be marked __maybe_unused. Signed-off-by: Alan Stern CC: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 73 +++++++++++++++++++++++++++++++++++++++++++-- drivers/usb/host/ehci-hub.c | 6 ++-- drivers/usb/host/ehci.h | 17 +++++++++++ 3 files changed, 89 insertions(+), 7 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index ab4a769a..dee3541 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -649,7 +649,7 @@ static int ehci_run (struct usb_hcd *hcd) return 0; } -static int ehci_setup(struct usb_hcd *hcd) +int ehci_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); int retval; @@ -680,6 +680,7 @@ static int ehci_setup(struct usb_hcd *hcd) return 0; } +EXPORT_SYMBOL_GPL(ehci_setup); /*-------------------------------------------------------------------------*/ @@ -1085,7 +1086,7 @@ static int ehci_get_frame (struct usb_hcd *hcd) /* These routines handle the generic parts of controller suspend/resume */ -static int __maybe_unused ehci_suspend(struct usb_hcd *hcd, bool do_wakeup) +int ehci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); @@ -1108,9 +1109,10 @@ static int __maybe_unused ehci_suspend(struct usb_hcd *hcd, bool do_wakeup) return 0; } +EXPORT_SYMBOL_GPL(ehci_suspend); /* Returns 0 if power was preserved, 1 if power was lost */ -static int __maybe_unused ehci_resume(struct usb_hcd *hcd, bool hibernated) +int ehci_resume(struct usb_hcd *hcd, bool hibernated) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); @@ -1168,12 +1170,77 @@ static int __maybe_unused ehci_resume(struct usb_hcd *hcd, bool hibernated) return 1; } +EXPORT_SYMBOL_GPL(ehci_resume); #endif /*-------------------------------------------------------------------------*/ /* + * Generic structure: This gets copied for platform drivers so that + * individual entries can be overridden as needed. + */ + +static const struct hc_driver ehci_hc_driver = { + .description = hcd_name, + .product_desc = "EHCI Host Controller", + .hcd_priv_size = sizeof(struct ehci_hcd), + + /* + * generic hardware linkage + */ + .irq = ehci_irq, + .flags = HCD_MEMORY | HCD_USB2, + + /* + * basic lifecycle operations + */ + .reset = ehci_setup, + .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + + /* + * managing i/o requests and associated device resources + */ + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, + .endpoint_reset = ehci_endpoint_reset, + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, + + /* + * scheduling support + */ + .get_frame_number = ehci_get_frame, + + /* + * root hub support + */ + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, + .bus_suspend = ehci_bus_suspend, + .bus_resume = ehci_bus_resume, + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, +}; + +void ehci_init_driver(struct hc_driver *drv, + const struct ehci_driver_overrides *over) +{ + /* Copy the generic table to drv and then apply the overrides */ + *drv = ehci_hc_driver; + + drv->product_desc = over->product_desc; + drv->hcd_priv_size += over->extra_priv_size; + if (over->reset) + drv->reset = over->reset; +} +EXPORT_SYMBOL_GPL(ehci_init_driver); + +/*-------------------------------------------------------------------------*/ + +/* * The EHCI in ChipIdea HDRC cannot be a separate module or device, * because its registers (and irq) are shared between host/gadget/otg * functions and in order to facilitate role switching we cannot diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index a59c61f..4ccb97c 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -1109,8 +1109,7 @@ error_exit: return retval; } -static void __maybe_unused ehci_relinquish_port(struct usb_hcd *hcd, - int portnum) +static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); @@ -1119,8 +1118,7 @@ static void __maybe_unused ehci_relinquish_port(struct usb_hcd *hcd, set_owner(ehci, --portnum, PORT_OWNER); } -static int __maybe_unused ehci_port_handed_over(struct usb_hcd *hcd, - int portnum) +static int ehci_port_handed_over(struct usb_hcd *hcd, int portnum) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); u32 __iomem *reg; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 2262dcd..24a8ada 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -781,4 +781,21 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) /*-------------------------------------------------------------------------*/ +/* Declarations of things exported for use by ehci platform drivers */ + +struct ehci_driver_overrides { + const char *product_desc; + size_t extra_priv_size; + int (*reset)(struct usb_hcd *hcd); +}; + +extern void ehci_init_driver(struct hc_driver *drv, + const struct ehci_driver_overrides *over); +extern int ehci_setup(struct usb_hcd *hcd); + +#ifdef CONFIG_PM +extern int ehci_suspend(struct usb_hcd *hcd, bool do_wakeup); +extern int ehci_resume(struct usb_hcd *hcd, bool hibernated); +#endif /* CONFIG_PM */ + #endif /* __LINUX_EHCI_HCD_H */ -- cgit v1.1 From adfa79d1c06a32650332930ca4c488ca570b3407 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 1 Nov 2012 11:13:04 -0400 Subject: USB: EHCI: make ehci-pci a separate driver This patch (as1625) splits the PCI portion of ehci-hcd out into its own separate driver module, called ehci-pci. Consistently with the current practice, the decision whether to build this module is not user-configurable. If EHCI and PCI are enabled then the module will be built, always. Signed-off-by: Alan Stern CC: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 5 +++ drivers/usb/host/Makefile | 2 + drivers/usb/host/ehci-hcd.c | 26 +++--------- drivers/usb/host/ehci-pci.c | 101 +++++++++++++++++++++----------------------- 4 files changed, 60 insertions(+), 74 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 8cc06f0..10130f4 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -95,6 +95,11 @@ config USB_EHCI_TT_NEWSCHED If unsure, say Y. +config USB_EHCI_PCI + tristate + depends on USB_EHCI_HCD && PCI + default y + config USB_EHCI_HCD_PMC_MSP tristate "EHCI support for on-chip PMC MSP71xx USB controller" depends on USB_EHCI_HCD && MSP_HAS_USB diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 332ed89..a8390b0 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -24,6 +24,8 @@ obj-$(CONFIG_USB_WHCI_HCD) += whci/ obj-$(CONFIG_PCI) += pci-quirks.o obj-$(CONFIG_USB_EHCI_HCD) += ehci-hcd.o +obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o + obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o obj-$(CONFIG_USB_ISP1362_HCD) += isp1362-hcd.o diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index dee3541..7113d6a 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1252,11 +1252,6 @@ MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR (DRIVER_AUTHOR); MODULE_LICENSE ("GPL"); -#ifdef CONFIG_PCI -#include "ehci-pci.c" -#define PCI_DRIVER ehci_pci_driver -#endif - #ifdef CONFIG_USB_EHCI_FSL #include "ehci-fsl.c" #define PLATFORM_DRIVER ehci_fsl_driver @@ -1367,9 +1362,11 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_platform_driver #endif -#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ - !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ - !defined(XILINX_OF_PLATFORM_DRIVER) +#if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \ + !defined(PLATFORM_DRIVER) && \ + !defined(PS3_SYSTEM_BUS_DRIVER) && \ + !defined(OF_PLATFORM_DRIVER) && \ + !defined(XILINX_OF_PLATFORM_DRIVER) #error "missing bus glue for ehci-hcd" #endif @@ -1406,12 +1403,6 @@ static int __init ehci_hcd_init(void) goto clean0; #endif -#ifdef PCI_DRIVER - retval = pci_register_driver(&PCI_DRIVER); - if (retval < 0) - goto clean1; -#endif - #ifdef PS3_SYSTEM_BUS_DRIVER retval = ps3_ehci_driver_register(&PS3_SYSTEM_BUS_DRIVER); if (retval < 0) @@ -1443,10 +1434,6 @@ clean3: ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER); clean2: #endif -#ifdef PCI_DRIVER - pci_unregister_driver(&PCI_DRIVER); -clean1: -#endif #ifdef PLATFORM_DRIVER platform_driver_unregister(&PLATFORM_DRIVER); clean0: @@ -1472,9 +1459,6 @@ static void __exit ehci_hcd_cleanup(void) #ifdef PLATFORM_DRIVER platform_driver_unregister(&PLATFORM_DRIVER); #endif -#ifdef PCI_DRIVER - pci_unregister_driver(&PCI_DRIVER); -#endif #ifdef PS3_SYSTEM_BUS_DRIVER ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER); #endif diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index c92dcae..46018e9 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -18,9 +18,18 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifndef CONFIG_PCI -#error "This file is PCI bus glue. CONFIG_PCI must be defined." -#endif +#include +#include +#include +#include +#include + +#include "ehci.h" +#include "pci-quirks.h" + +#define DRIVER_DESC "EHCI PCI platform driver" + +static const char hcd_name[] = "ehci-pci"; /* defined here to avoid adding to pci_ids.h for single instance use */ #define PCI_DEVICE_ID_INTEL_CE4100_USB 0x2e70 @@ -315,11 +324,6 @@ done: * Also they depend on separate root hub suspend/resume. */ -static int ehci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) -{ - return ehci_suspend(hcd, do_wakeup); -} - static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev) { return pdev->class == PCI_CLASS_SERIAL_USB_EHCI && @@ -370,55 +374,18 @@ static int ehci_pci_resume(struct usb_hcd *hcd, bool hibernated) (void) ehci_pci_reinit(ehci, pdev); return 0; } -#endif - -static const struct hc_driver ehci_pci_hc_driver = { - .description = hcd_name, - .product_desc = "EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - /* - * generic hardware linkage - */ - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - /* - * basic lifecycle operations - */ - .reset = ehci_pci_setup, - .start = ehci_run, -#ifdef CONFIG_PM - .pci_suspend = ehci_pci_suspend, - .pci_resume = ehci_pci_resume, -#endif - .stop = ehci_stop, - .shutdown = ehci_shutdown, +#else - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, +#define ehci_suspend NULL +#define ehci_pci_resume NULL +#endif /* CONFIG_PM */ - /* - * scheduling support - */ - .get_frame_number = ehci_get_frame, +static struct hc_driver __read_mostly ehci_pci_hc_driver; - /* - * root hub support - */ - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +static const struct ehci_driver_overrides overrides = { + .product_desc = "EHCI PCI host controller", + .reset = ehci_pci_setup, }; /*-------------------------------------------------------------------------*/ @@ -451,3 +418,31 @@ static struct pci_driver ehci_pci_driver = { }, #endif }; + +static int __init ehci_pci_init(void) +{ + if (usb_disabled()) + return -ENODEV; + + pr_info("%s: " DRIVER_DESC "\n", hcd_name); + + ehci_init_driver(&ehci_pci_hc_driver, &overrides); + + /* Entries for the PCI suspend/resume callbacks are special */ + ehci_pci_hc_driver.pci_suspend = ehci_suspend; + ehci_pci_hc_driver.pci_resume = ehci_pci_resume; + + return pci_register_driver(&ehci_pci_driver); +} +module_init(ehci_pci_init); + +static void __exit ehci_pci_cleanup(void) +{ + pci_unregister_driver(&ehci_pci_driver); +} +module_exit(ehci_pci_cleanup); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("David Brownell"); +MODULE_AUTHOR("Alan Stern"); +MODULE_LICENSE("GPL"); -- cgit v1.1 From 99f91934a907df31ba878dfdd090002049dc476a Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 1 Nov 2012 11:13:08 -0400 Subject: USB: EHCI: make ehci-platform a separate driver This patch (as1626) splits the ehci-platform code from ehci-hcd out into its own separate driver module. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 2 +- drivers/usb/host/Makefile | 1 + drivers/usb/host/ehci-hcd.c | 6 +--- drivers/usb/host/ehci-platform.c | 66 ++++++++++++++++++++++------------------ 4 files changed, 40 insertions(+), 35 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 10130f4..d6bb128 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -430,7 +430,7 @@ config USB_OHCI_HCD_PLATFORM If unsure, say N. config USB_EHCI_HCD_PLATFORM - bool "Generic EHCI driver for a platform device" + tristate "Generic EHCI driver for a platform device" depends on USB_EHCI_HCD default n ---help--- diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index a8390b0..1eb4c30 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_PCI) += pci-quirks.o obj-$(CONFIG_USB_EHCI_HCD) += ehci-hcd.o obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o +obj-$(CONFIG_USB_EHCI_HCD_PLATFORM) += ehci-platform.o obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 7113d6a..4a466d7 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1357,12 +1357,8 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_hcd_sead3_driver #endif -#ifdef CONFIG_USB_EHCI_HCD_PLATFORM -#include "ehci-platform.c" -#define PLATFORM_DRIVER ehci_platform_driver -#endif - #if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \ + !IS_ENABLED(CONFIG_USB_EHCI_HCD_PLATFORM) && \ !defined(PLATFORM_DRIVER) && \ !defined(PS3_SYSTEM_BUS_DRIVER) && \ !defined(OF_PLATFORM_DRIVER) && \ diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 6e6c23b..f97fe3a 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -18,9 +18,19 @@ * * Licensed under the GNU/GPL. See COPYING for details. */ +#include +#include #include +#include +#include #include +#include "ehci.h" + +#define DRIVER_DESC "EHCI generic platform driver" + +static const char hcd_name[] = "ehci-platform"; + static int ehci_platform_reset(struct usb_hcd *hcd) { struct platform_device *pdev = to_platform_device(hcd->self.controller); @@ -43,36 +53,11 @@ static int ehci_platform_reset(struct usb_hcd *hcd) return 0; } -static const struct hc_driver ehci_platform_hc_driver = { - .description = hcd_name, - .product_desc = "Generic Platform EHCI Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - .reset = ehci_platform_reset, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, +static struct hc_driver __read_mostly ehci_platform_hc_driver; - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - .get_frame_number = ehci_get_frame, - - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, -#if defined(CONFIG_PM) - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, -#endif - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +static const struct ehci_driver_overrides platform_overrides = { + .product_desc = "Generic Platform EHCI controller", + .reset = ehci_platform_reset, }; static int __devinit ehci_platform_probe(struct platform_device *dev) @@ -218,3 +203,26 @@ static struct platform_driver ehci_platform_driver = { .pm = &ehci_platform_pm_ops, } }; + +static int __init ehci_platform_init(void) +{ + if (usb_disabled()) + return -ENODEV; + + pr_info("%s: " DRIVER_DESC "\n", hcd_name); + + ehci_init_driver(&ehci_platform_hc_driver, &platform_overrides); + return platform_driver_register(&ehci_platform_driver); +} +module_init(ehci_platform_init); + +static void __exit ehci_platform_cleanup(void) +{ + platform_driver_unregister(&ehci_platform_driver); +} +module_exit(ehci_platform_cleanup); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("Hauke Mehrtens"); +MODULE_AUTHOR("Alan Stern"); +MODULE_LICENSE("GPL"); -- cgit v1.1 From d1bb67a7a2a5a5ff49b0ef4d191725769243e639 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 2 Nov 2012 10:13:24 -0400 Subject: USB: EHCI: fix build error in ehci-platform.c under PowerPC This patch (as1628) fixes a build error in the ehci-platform driver when compiled for the PowerPC architecture. The error was introduced by commit 99f91934a907df31ba878dfdd090002049dc476a (USB: EHCI: make ehci-platform a separate driver). The fix is simple; a few additional header-file #includes are needed. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-platform.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index f97fe3a..feeedf8 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -19,6 +19,8 @@ * Licensed under the GNU/GPL. See COPYING for details. */ #include +#include +#include #include #include #include -- cgit v1.1 From 57465109ce6c62e57b98788496c823c2067253c0 Mon Sep 17 00:00:00 2001 From: Vincent Palatin Date: Thu, 1 Nov 2012 11:05:28 -0700 Subject: USB: ohci-exynos: initialize registers pointer earlier In the former code, we have a race condition between the first interrupt and the regs field initilization in the usb_hcd structure. If the OHCI irq fires before hcd->regs is set, we are getting a null pointer dereference in ohci_irq. When calling usb_add_hcd(), it first executes the reset() callback, then enables the ohci interrupt, and finally executes the start() callback. So moving the ohci_init() call which actually initializes the reg field from start() to reset() should remove the race. Tested by enabling the external HSIC hub in the bootloader on an exynos5 machine and booting. With the former code, this triggers an early interrupt about 50% of the boots and a subsequent kernel panic in ohci_irq when trying to access the registers. Cc: Olof Johansson Cc: Doug Anderson Cc: Arjun.K.V Cc: Vikas Sajjan Cc: Abhilash Kesavan Signed-off-by: Vincent Palatin Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-exynos.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 2f30329..6a30fc5 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -23,6 +23,11 @@ struct exynos_ohci_hcd { struct clk *clk; }; +static int ohci_exynos_reset(struct usb_hcd *hcd) +{ + return ohci_init(hcd_to_ohci(hcd)); +} + static int ohci_exynos_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); @@ -30,10 +35,6 @@ static int ohci_exynos_start(struct usb_hcd *hcd) ohci_dbg(ohci, "ohci_exynos_start, ohci:%p", ohci); - ret = ohci_init(ohci); - if (ret < 0) - return ret; - ret = ohci_run(ohci); if (ret < 0) { dev_err(hcd->self.controller, "can't start %s\n", @@ -53,6 +54,7 @@ static const struct hc_driver exynos_ohci_hc_driver = { .irq = ohci_irq, .flags = HCD_MEMORY|HCD_USB11, + .reset = ohci_exynos_reset, .start = ohci_exynos_start, .stop = ohci_stop, .shutdown = ohci_shutdown, -- cgit v1.1 From 09f6ffde2ecef4cc4e2a5edaa303210cabd96f57 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 2 Nov 2012 12:34:41 -0400 Subject: USB: EHCI: fix build error by making ChipIdea host a normal EHCI driver This patch (as1627) splits the ehci-hcd core code, which has become a separate library module, out from the ChipIdea host driver. Instead of #include-ing ehci-hcd.c directly, the ChipIdea module will now use the ehci-hcd library in a normal fashion. This fixes a build error caused by commit 3e0232039967d7a1a06c013d097458b4d5892af1 (USB: EHCI: prepare to make ehci-hcd a library module); I had forgotten about the unorthodox way the ChipIdea driver uses the ehci-hcd code. Signed-off-by: Alan Stern Acked-by: Alexander Shishkin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 4a466d7..28f694e 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1240,14 +1240,6 @@ EXPORT_SYMBOL_GPL(ehci_init_driver); /*-------------------------------------------------------------------------*/ -/* - * The EHCI in ChipIdea HDRC cannot be a separate module or device, - * because its registers (and irq) are shared between host/gadget/otg - * functions and in order to facilitate role switching we cannot - * give the ehci driver exclusive access to those. - */ -#ifndef CHIPIDEA_EHCI - MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR (DRIVER_AUTHOR); MODULE_LICENSE ("GPL"); @@ -1359,6 +1351,7 @@ MODULE_LICENSE ("GPL"); #if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \ !IS_ENABLED(CONFIG_USB_EHCI_HCD_PLATFORM) && \ + !defined(CONFIG_USB_CHIPIDEA_HOST) && \ !defined(PLATFORM_DRIVER) && \ !defined(PS3_SYSTEM_BUS_DRIVER) && \ !defined(OF_PLATFORM_DRIVER) && \ @@ -1464,5 +1457,3 @@ static void __exit ehci_hcd_cleanup(void) clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded); } module_exit(ehci_hcd_cleanup); - -#endif /* CHIPIDEA_EHCI */ -- cgit v1.1 From 1b36810e27a9791878e4694357ab6d4c06acc22d Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 7 Nov 2012 16:12:47 -0500 Subject: USB: EHCI: miscellaneous cleanups for the library conversion This patch (as1630) cleans up a few minor items resulting from the split-up of the ehci-hcd driver: Remove the product_desc string from the ehci_driver_overrides structure. All drivers will use the generic "EHCI Host Controller" string. (This was requested by Felipe Balbi.) Allow drivers to pass a NULL pointer to ehci_init_driver() if they don't have to override any settings. Remove a #define symbol that is no longer used from the ChipIdea host driver. Rename overrides to pci_overrides in ehci-pci.c, for consistency with ehci-platform.c. Mark the *_overrides structures as __initdata. Signed-off-by: Alan Stern Reviewed-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 9 +++++---- drivers/usb/host/ehci-pci.c | 5 ++--- drivers/usb/host/ehci-platform.c | 3 +-- drivers/usb/host/ehci.h | 1 - 4 files changed, 8 insertions(+), 10 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 28f694e..c97503b 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1231,10 +1231,11 @@ void ehci_init_driver(struct hc_driver *drv, /* Copy the generic table to drv and then apply the overrides */ *drv = ehci_hc_driver; - drv->product_desc = over->product_desc; - drv->hcd_priv_size += over->extra_priv_size; - if (over->reset) - drv->reset = over->reset; + if (over) { + drv->hcd_priv_size += over->extra_priv_size; + if (over->reset) + drv->reset = over->reset; + } } EXPORT_SYMBOL_GPL(ehci_init_driver); diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 46018e9..3fb76ca 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -383,8 +383,7 @@ static int ehci_pci_resume(struct usb_hcd *hcd, bool hibernated) static struct hc_driver __read_mostly ehci_pci_hc_driver; -static const struct ehci_driver_overrides overrides = { - .product_desc = "EHCI PCI host controller", +static const struct ehci_driver_overrides pci_overrides __initdata = { .reset = ehci_pci_setup, }; @@ -426,7 +425,7 @@ static int __init ehci_pci_init(void) pr_info("%s: " DRIVER_DESC "\n", hcd_name); - ehci_init_driver(&ehci_pci_hc_driver, &overrides); + ehci_init_driver(&ehci_pci_hc_driver, &pci_overrides); /* Entries for the PCI suspend/resume callbacks are special */ ehci_pci_hc_driver.pci_suspend = ehci_suspend; diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index feeedf8..f14c542 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -57,8 +57,7 @@ static int ehci_platform_reset(struct usb_hcd *hcd) static struct hc_driver __read_mostly ehci_platform_hc_driver; -static const struct ehci_driver_overrides platform_overrides = { - .product_desc = "Generic Platform EHCI controller", +static const struct ehci_driver_overrides platform_overrides __initdata = { .reset = ehci_platform_reset, }; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 24a8ada..9dadc71 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -784,7 +784,6 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) /* Declarations of things exported for use by ehci platform drivers */ struct ehci_driver_overrides { - const char *product_desc; size_t extra_priv_size; int (*reset)(struct usb_hcd *hcd); }; -- cgit v1.1 From 2656a9abcf1ec8dd5fee6a75d6997a0f2fa0094e Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 8 Nov 2012 10:17:01 -0500 Subject: USB: EHCI: bugfix: urb->hcpriv should not be NULL This patch (as1632b) fixes a bug in ehci-hcd. The USB core uses urb->hcpriv to determine whether or not an URB is active; host controller drivers are supposed to set this pointer to a non-NULL value when an URB is queued. However ehci-hcd sets it to NULL for isochronous URBs, which defeats the check in usbcore. In itself this isn't a big deal. But people have recently found that certain sequences of actions will cause the snd-usb-audio driver to reuse URBs without waiting for them to complete. In the absence of proper checking by usbcore, the URBs get added to their endpoint list twice. This leads to list corruption and a system freeze. The patch makes ehci-hcd assign a meaningful value to urb->hcpriv for isochronous URBs. Improving robustness always helps. Signed-off-by: Alan Stern Reported-by: Artem S. Tashkinov Reported-by: Christof Meerwald CC: Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-q.c | 12 +++--------- drivers/usb/host/ehci-sched.c | 4 ++-- 2 files changed, 5 insertions(+), 11 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 4b66374..3d98902 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -264,15 +264,9 @@ ehci_urb_done(struct ehci_hcd *ehci, struct urb *urb, int status) __releases(ehci->lock) __acquires(ehci->lock) { - if (likely (urb->hcpriv != NULL)) { - struct ehci_qh *qh = (struct ehci_qh *) urb->hcpriv; - - /* S-mask in a QH means it's an interrupt urb */ - if ((qh->hw->hw_info2 & cpu_to_hc32(ehci, QH_SMASK)) != 0) { - - /* ... update hc-wide periodic stats (for usbfs) */ - ehci_to_hcd(ehci)->self.bandwidth_int_reqs--; - } + if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) { + /* ... update hc-wide periodic stats */ + ehci_to_hcd(ehci)->self.bandwidth_int_reqs--; } if (unlikely(urb->unlinked)) { diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 2e14714..69ebee7 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1630,7 +1630,7 @@ static void itd_link_urb( /* don't need that schedule data any more */ iso_sched_free (stream, iso_sched); - urb->hcpriv = NULL; + urb->hcpriv = stream; ++ehci->isoc_count; enable_periodic(ehci); @@ -2029,7 +2029,7 @@ static void sitd_link_urb( /* don't need that schedule data any more */ iso_sched_free (stream, sched); - urb->hcpriv = NULL; + urb->hcpriv = stream; ++ehci->isoc_count; enable_periodic(ehci); -- cgit v1.1 From 2611bd189ee8cb6761393aec90d699015d9c5e9f Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Thu, 25 Oct 2012 13:27:51 -0700 Subject: xhci: Avoid global symbol pollution with handshake. Non-static xHCI driver symbols should start with the "xhci_" prefix, in order to avoid namespace pollution. Rename the "handshake" function to "xhci_handshake". Signed-off-by: Sarah Sharp Reported-by: Ben Hutchings --- drivers/usb/host/xhci-ring.c | 2 +- drivers/usb/host/xhci.c | 24 +++++++++++++----------- drivers/usb/host/xhci.h | 2 +- 3 files changed, 15 insertions(+), 13 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 4e1a894..77f1ace 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -318,7 +318,7 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) * seconds), then it should assume that the there are * larger problems with the xHC and assert HCRST. */ - ret = handshake(xhci, &xhci->op_regs->cmd_ring, + ret = xhci_handshake(xhci, &xhci->op_regs->cmd_ring, CMD_RING_RUNNING, 0, 5 * 1000 * 1000); if (ret < 0) { xhci_err(xhci, "Stopped the command ring failed, " diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index c9e419f..1ca0f3a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -40,7 +40,7 @@ MODULE_PARM_DESC(link_quirk, "Don't clear the chain bit on a link TRB"); /* TODO: copied from ehci-hcd.c - can this be refactored? */ /* - * handshake - spin reading hc until handshake completes or fails + * xhci_handshake - spin reading hc until handshake completes or fails * @ptr: address of hc register to be read * @mask: bits to look at in result of read * @done: value of those bits when handshake succeeds @@ -52,7 +52,7 @@ MODULE_PARM_DESC(link_quirk, "Don't clear the chain bit on a link TRB"); * handshake done). There are two failure modes: "usec" have passed (major * hardware flakeout), or the register reads as all-ones (hardware removed). */ -int handshake(struct xhci_hcd *xhci, void __iomem *ptr, +int xhci_handshake(struct xhci_hcd *xhci, void __iomem *ptr, u32 mask, u32 done, int usec) { u32 result; @@ -103,7 +103,7 @@ int xhci_halt(struct xhci_hcd *xhci) xhci_dbg(xhci, "// Halt the HC\n"); xhci_quiesce(xhci); - ret = handshake(xhci, &xhci->op_regs->status, + ret = xhci_handshake(xhci, &xhci->op_regs->status, STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC); if (!ret) { xhci->xhc_state |= XHCI_STATE_HALTED; @@ -132,7 +132,7 @@ static int xhci_start(struct xhci_hcd *xhci) * Wait for the HCHalted Status bit to be 0 to indicate the host is * running. */ - ret = handshake(xhci, &xhci->op_regs->status, + ret = xhci_handshake(xhci, &xhci->op_regs->status, STS_HALT, 0, XHCI_MAX_HALT_USEC); if (ret == -ETIMEDOUT) xhci_err(xhci, "Host took too long to start, " @@ -167,7 +167,7 @@ int xhci_reset(struct xhci_hcd *xhci) command |= CMD_RESET; xhci_writel(xhci, command, &xhci->op_regs->command); - ret = handshake(xhci, &xhci->op_regs->command, + ret = xhci_handshake(xhci, &xhci->op_regs->command, CMD_RESET, 0, 10 * 1000 * 1000); if (ret) return ret; @@ -177,7 +177,7 @@ int xhci_reset(struct xhci_hcd *xhci) * xHCI cannot write to any doorbells or operational registers other * than status until the "Controller Not Ready" flag is cleared. */ - ret = handshake(xhci, &xhci->op_regs->status, + ret = xhci_handshake(xhci, &xhci->op_regs->status, STS_CNR, 0, 10 * 1000 * 1000); for (i = 0; i < 2; ++i) { @@ -890,7 +890,7 @@ int xhci_suspend(struct xhci_hcd *xhci) command = xhci_readl(xhci, &xhci->op_regs->command); command &= ~CMD_RUN; xhci_writel(xhci, command, &xhci->op_regs->command); - if (handshake(xhci, &xhci->op_regs->status, + if (xhci_handshake(xhci, &xhci->op_regs->status, STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) { xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n"); spin_unlock_irq(&xhci->lock); @@ -905,7 +905,8 @@ int xhci_suspend(struct xhci_hcd *xhci) command = xhci_readl(xhci, &xhci->op_regs->command); command |= CMD_CSS; xhci_writel(xhci, command, &xhci->op_regs->command); - if (handshake(xhci, &xhci->op_regs->status, STS_SAVE, 0, 10 * 1000)) { + if (xhci_handshake(xhci, &xhci->op_regs->status, + STS_SAVE, 0, 10 * 1000)) { xhci_warn(xhci, "WARN: xHC save state timeout\n"); spin_unlock_irq(&xhci->lock); return -ETIMEDOUT; @@ -967,7 +968,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) command = xhci_readl(xhci, &xhci->op_regs->command); command |= CMD_CRS; xhci_writel(xhci, command, &xhci->op_regs->command); - if (handshake(xhci, &xhci->op_regs->status, + if (xhci_handshake(xhci, &xhci->op_regs->status, STS_RESTORE, 0, 10 * 1000)) { xhci_warn(xhci, "WARN: xHC restore state timeout\n"); spin_unlock_irq(&xhci->lock); @@ -1035,7 +1036,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) command = xhci_readl(xhci, &xhci->op_regs->command); command |= CMD_RUN; xhci_writel(xhci, command, &xhci->op_regs->command); - handshake(xhci, &xhci->op_regs->status, STS_HALT, + xhci_handshake(xhci, &xhci->op_regs->status, STS_HALT, 0, 250 * 1000); /* step 5: walk topology and initialize portsc, @@ -3874,7 +3875,8 @@ static int xhci_usb2_software_lpm_test(struct usb_hcd *hcd, spin_lock_irqsave(&xhci->lock, flags); /* Check L1 Status */ - ret = handshake(xhci, pm_addr, PORT_L1S_MASK, PORT_L1S_SUCCESS, 125); + ret = xhci_handshake(xhci, pm_addr, + PORT_L1S_MASK, PORT_L1S_SUCCESS, 125); if (ret != -ETIMEDOUT) { /* enter L1 successfully */ temp = xhci_readl(xhci, addr); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 53df4e7..f791bd0 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1720,7 +1720,7 @@ static inline void xhci_unregister_plat(void) /* xHCI host controller glue */ typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *); -int handshake(struct xhci_hcd *xhci, void __iomem *ptr, +int xhci_handshake(struct xhci_hcd *xhci, void __iomem *ptr, u32 mask, u32 done, int usec); void xhci_quiesce(struct xhci_hcd *xhci); int xhci_halt(struct xhci_hcd *xhci); -- cgit v1.1 From 392a07ae3316f2b90b39ce41e66d6f6b5c95de90 Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Thu, 25 Oct 2012 13:44:12 -0700 Subject: xhci: Fix conditional check in bandwidth calculation. David reports that at drivers/usb/host/xhci.c:2257: static bool xhci_is_sync_in_ep(unsigned int ep_type) { return (ep_type == ISOC_IN_EP || ep_type != INT_IN_EP); } The static analyser cppcheck says [linux-3.7-rc2/drivers/usb/host/xhci.c:2257]: (style) Redundant condition: If ep_type == 5, the comparison ep_type != 7 is always true. Maybe the original programmer intention was something like static bool xhci_is_sync_in_ep(unsigned int ep_type) { return (ep_type == ISOC_IN_EP || ep_type == INT_IN_EP); } Fix this. This patch should be backported to stable kernels as old as 3.2, that contain the commit 2b69899934c63b7b9432568584fb4c4a2924f40c "xhci: USB 3.0 BW checking." Signed-off-by: Sarah Sharp Reported-by: David Binderman Cc: stable@vger.kernel.org --- drivers/usb/host/xhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 1ca0f3a..2e29f2f 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2255,7 +2255,7 @@ static bool xhci_is_async_ep(unsigned int ep_type) static bool xhci_is_sync_in_ep(unsigned int ep_type) { - return (ep_type == ISOC_IN_EP || ep_type != INT_IN_EP); + return (ep_type == ISOC_IN_EP || ep_type == INT_IN_EP); } static unsigned int xhci_get_ss_bw_consumed(struct xhci_bw_info *ep_bw) -- cgit v1.1 From 4525c0a10dff7ad3669763c28016c7daffc3900e Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Thu, 25 Oct 2012 15:56:40 -0700 Subject: xHCI: Fix TD Size calculation on 1.0 hosts. The xHCI 1.0 specification made a change to the TD Size field in TRBs. The value is now the number of packets that remain to be sent in the TD, not including this TRB. The TD Size value for the last TRB in a TD must always be zero. The xHCI function xhci_v1_0_td_remainder() attempts to calculate this, but it gets it wrong. First, it erroneously reuses the old xhci_td_remainder function, which will right shift the value by 10. The xHCI 1.0 spec as of June 2011 says nothing about right shifting by 10. Second, it does not set the TD size for the last TRB in a TD to zero. Third, it uses roundup instead of DIV_ROUND_UP. The total packet count is supposed to be the total number of bytes in this TD, divided by the max packet size, rounded up. DIV_ROUND_UP is the right function to use in that case. With the old code, a TD on an endpoint with max packet size 1024 would be set up like so: TRB 1, TRB length = 600 bytes, TD size = 0 TRB 1, TRB length = 200 bytes, TD size = 0 TRB 1, TRB length = 100 bytes, TD size = 0 With the new code, the TD would be set up like this: TRB 1, TRB length = 600 bytes, TD size = 1 TRB 1, TRB length = 200 bytes, TD size = 1 TRB 1, TRB length = 100 bytes, TD size = 0 This commit should be backported to kernels as old as 3.0, that contain the commit 4da6e6f247a2601ab9f1e63424e4d944ed4124f3 "xhci 1.0: Update TD size field format." Signed-off-by: Sarah Sharp Reported-by: Chintan Mehta Reported-by: Shimmer Huang Tested-by: Bhavik Kothari Tested-by: Shimmer Huang Cc: stable@vger.kernel.org --- drivers/usb/host/xhci-ring.c | 32 +++++++++++++++++++------------- 1 file changed, 19 insertions(+), 13 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 77f1ace..cbb44b7 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3071,11 +3071,11 @@ static u32 xhci_td_remainder(unsigned int remainder) } /* - * For xHCI 1.0 host controllers, TD size is the number of packets remaining in - * the TD (*not* including this TRB). + * For xHCI 1.0 host controllers, TD size is the number of max packet sized + * packets remaining in the TD (*not* including this TRB). * * Total TD packet count = total_packet_count = - * roundup(TD size in bytes / wMaxPacketSize) + * DIV_ROUND_UP(TD size in bytes / wMaxPacketSize) * * Packets transferred up to and including this TRB = packets_transferred = * rounddown(total bytes transferred including this TRB / wMaxPacketSize) @@ -3083,15 +3083,16 @@ static u32 xhci_td_remainder(unsigned int remainder) * TD size = total_packet_count - packets_transferred * * It must fit in bits 21:17, so it can't be bigger than 31. + * The last TRB in a TD must have the TD size set to zero. */ - static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len, - unsigned int total_packet_count, struct urb *urb) + unsigned int total_packet_count, struct urb *urb, + unsigned int num_trbs_left) { int packets_transferred; /* One TRB with a zero-length data packet. */ - if (running_total == 0 && trb_buff_len == 0) + if (num_trbs_left == 0 || (running_total == 0 && trb_buff_len == 0)) return 0; /* All the TRB queueing functions don't count the current TRB in @@ -3100,7 +3101,9 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len, packets_transferred = (running_total + trb_buff_len) / usb_endpoint_maxp(&urb->ep->desc); - return xhci_td_remainder(total_packet_count - packets_transferred); + if ((total_packet_count - packets_transferred) > 31) + return 31 << 17; + return (total_packet_count - packets_transferred) << 17; } static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, @@ -3127,7 +3130,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, num_trbs = count_sg_trbs_needed(xhci, urb); num_sgs = urb->num_mapped_sgs; - total_packet_count = roundup(urb->transfer_buffer_length, + total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length, usb_endpoint_maxp(&urb->ep->desc)); trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id], @@ -3210,7 +3213,8 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, running_total); } else { remainder = xhci_v1_0_td_remainder(running_total, - trb_buff_len, total_packet_count, urb); + trb_buff_len, total_packet_count, urb, + num_trbs - 1); } length_field = TRB_LEN(trb_buff_len) | remainder | @@ -3318,7 +3322,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, start_cycle = ep_ring->cycle_state; running_total = 0; - total_packet_count = roundup(urb->transfer_buffer_length, + total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length, usb_endpoint_maxp(&urb->ep->desc)); /* How much data is in the first TRB? */ addr = (u64) urb->transfer_dma; @@ -3364,7 +3368,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, running_total); } else { remainder = xhci_v1_0_td_remainder(running_total, - trb_buff_len, total_packet_count, urb); + trb_buff_len, total_packet_count, urb, + num_trbs - 1); } length_field = TRB_LEN(trb_buff_len) | remainder | @@ -3627,7 +3632,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, addr = start_addr + urb->iso_frame_desc[i].offset; td_len = urb->iso_frame_desc[i].length; td_remain_len = td_len; - total_packet_count = roundup(td_len, + total_packet_count = DIV_ROUND_UP(td_len, usb_endpoint_maxp(&urb->ep->desc)); /* A zero-length transfer still involves at least one packet. */ if (total_packet_count == 0) @@ -3706,7 +3711,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } else { remainder = xhci_v1_0_td_remainder( running_total, trb_buff_len, - total_packet_count, urb); + total_packet_count, urb, + (trbs_per_td - j - 1)); } length_field = TRB_LEN(trb_buff_len) | remainder | -- cgit v1.1 From 68e5254adb88bede68285f11fb442a4d34fb550c Mon Sep 17 00:00:00 2001 From: Julius Werner Date: Thu, 1 Nov 2012 12:47:59 -0700 Subject: xhci: fix null-pointer dereference when destroying half-built segment rings xhci_alloc_segments_for_ring() builds a list of xhci_segments and links the tail to head at the end (forming a ring). When it bails out for OOM reasons half-way through, it tries to destroy its half-built list with xhci_free_segments_for_ring(), even though it is not a ring yet. This causes a null-pointer dereference upon hitting the last element. Furthermore, one of its callers (xhci_ring_alloc()) mistakenly believes the output parameters to be valid upon this kind of OOM failure, and calls xhci_ring_free() on them. Since the (incomplete) list/ring should already be destroyed in that case, this would lead to a use after free. This patch fixes those issues by having xhci_alloc_segments_for_ring() destroy its half-built, non-circular list manually and destroying the invalid struct xhci_ring in xhci_ring_alloc() with a plain kfree(). This patch should be backported to kernels as old as 2.6.31, that contains the commit 0ebbab37422315a5d0cb29792271085bafdf38c0 "USB: xhci: Ring allocation and initialization." A separate patch will need to be developed for kernels older than 3.4, since the ring allocation code was refactored in that kernel. Signed-off-by: Julius Werner Signed-off-by: Sarah Sharp Cc: stable@vger.kernel.org --- drivers/usb/host/xhci-mem.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 487bc08..fb51c70 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -205,7 +205,12 @@ static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci, next = xhci_segment_alloc(xhci, cycle_state, flags); if (!next) { - xhci_free_segments_for_ring(xhci, *first); + prev = *first; + while (prev) { + next = prev->next; + xhci_segment_free(xhci, prev); + prev = next; + } return -ENOMEM; } xhci_link_segments(xhci, prev, next, type); @@ -258,7 +263,7 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci, return ring; fail: - xhci_ring_free(xhci, ring); + kfree(ring); return NULL; } -- cgit v1.1 From bba18e33f25072ebf70fd8f7f0cdbf8cdb59a746 Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Wed, 17 Oct 2012 13:44:06 -0700 Subject: xhci: Extend Fresco Logic MSI quirk. Ali reports that plugging a device into the Fresco Logic xHCI host with PCI device ID 1400 produces an IRQ error: do_IRQ: 3.176 No irq handler for vector (irq -1) Other early Fresco Logic host revisions don't support MSI, even though their PCI config space claims they do. Extend the quirk to disabling MSI to this chipset revision. Also enable the short transfer quirk, since it's likely this revision also has that quirk, and it should be harmless to enable. 04:00.0 0c03: 1b73:1400 (rev 01) (prog-if 30 [XHCI]) Subsystem: 1d5c:1000 Physical Slot: 3 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Reported-by: A Sh Tested-by: A Sh Cc: stable@vger.kernel.org --- drivers/usb/host/xhci-pci.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 8345d7c..dcb72f7 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -29,6 +29,7 @@ /* Device for a quirk */ #define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000 +#define PCI_DEVICE_ID_FRESCO_LOGIC_FL1400 0x1400 #define PCI_VENDOR_ID_ETRON 0x1b6f #define PCI_DEVICE_ID_ASROCK_P67 0x7023 @@ -58,8 +59,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) /* Look for vendor-specific quirks */ if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && - pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK) { - if (pdev->revision == 0x0) { + (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK || + pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1400)) { + if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK && + pdev->revision == 0x0) { xhci->quirks |= XHCI_RESET_EP_QUIRK; xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure" " endpoint cmd after reset endpoint\n"); -- cgit v1.1 From b0e4e606ff6ff26da0f60826e75577b56ba4e463 Mon Sep 17 00:00:00 2001 From: "Alexis R. Cortes" Date: Thu, 8 Nov 2012 16:59:27 -0600 Subject: usb: host: xhci: Stricter conditional for Z1 system models for Compliance Mode Patch This minor patch creates a more stricter conditional for the Z1 sytems for applying the Compliance Mode Patch, this to avoid the quirk to be applied to models that contain a "Z1" in their dmi product string but are different from Z1 systems. This patch should be backported to stable kernels as old as 3.2, that contain the commit 71c731a296f1b08a3724bd1b514b64f1bda87a23 "usb: host: xhci: Fix Compliance Mode on SN65LVPE502CP Hardware" Signed-off-by: Alexis R. Cortes Signed-off-by: Sarah Sharp Cc: stable@vger.kernel.org --- drivers/usb/host/xhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 2e29f2f..09987d5 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -480,7 +480,7 @@ static bool compliance_mode_recovery_timer_quirk_check(void) if (strstr(dmi_product_name, "Z420") || strstr(dmi_product_name, "Z620") || strstr(dmi_product_name, "Z820") || - strstr(dmi_product_name, "Z1")) + strstr(dmi_product_name, "Z1 Workstation")) return true; return false; -- cgit v1.1 From 77b847677e7cb633627a9ddaa7efbc3fa8586427 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Fri, 19 Oct 2012 10:55:16 +0300 Subject: usb: host: xhci: move HC_STATE_SUSPENDED check to xhci_suspend() that check will have to be done by all users of xhci_suspend() so it sounds a lot better to move the check to xhci_suspend() in order to avoid code duplication. Signed-off-by: Felipe Balbi Signed-off-by: Sarah Sharp --- drivers/usb/host/xhci-pci.c | 9 +-------- drivers/usb/host/xhci.c | 4 ++++ 2 files changed, 5 insertions(+), 8 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index dcb72f7..af259e0 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -221,15 +221,8 @@ static void xhci_pci_remove(struct pci_dev *dev) static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); - int retval = 0; - if (hcd->state != HC_STATE_SUSPENDED || - xhci->shared_hcd->state != HC_STATE_SUSPENDED) - return -EINVAL; - - retval = xhci_suspend(xhci); - - return retval; + return xhci_suspend(xhci); } static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 09987d5..5c72c43 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -880,6 +880,10 @@ int xhci_suspend(struct xhci_hcd *xhci) struct usb_hcd *hcd = xhci_to_hcd(xhci); u32 command; + if (hcd->state != HC_STATE_SUSPENDED || + xhci->shared_hcd->state != HC_STATE_SUSPENDED) + return -EINVAL; + spin_lock_irq(&xhci->lock); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); -- cgit v1.1 From 70847780dca19f3707d9fa433f68edf8cbaf91f2 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Thu, 8 Nov 2012 16:27:33 +0800 Subject: usb: host: tegra: remove pointless NULL check in tegra_ehci_remove() Test for tegra and hcd in tegra_ehci_remove() look like potential NULL pointer dereference, but in fact those tests are not needed, so remove these pointless tests entirely. Signed-off-by: Wei Yongjun Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-tegra.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 94ee321..ef0a6ef 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -775,9 +775,6 @@ static int tegra_ehci_remove(struct platform_device *pdev) struct tegra_ehci_hcd *tegra = platform_get_drvdata(pdev); struct usb_hcd *hcd = ehci_to_hcd(tegra->ehci); - if (tegra == NULL || hcd == NULL) - return -EINVAL; - pm_runtime_get_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); -- cgit v1.1 From bc13364b3413a3815740c4a2f087e06f1b7ed850 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Thu, 8 Nov 2012 09:56:13 -0200 Subject: usb: ehci-mxc: Remove unused 'echi' variable Since commit c73cee7 (USB: EHCI: remove ehci_port_power() routine), the 'ehci' variable is no longer used, so remove it and fix the following build warning: drivers/usb/host/ehci-mxc.c:41:19: warning: unused variable 'ehci' [-Wunused-variable] Signed-off-by: Fabio Estevam Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-mxc.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index a37224a..8804f74 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -39,8 +39,6 @@ struct ehci_mxc_priv { /* called during probe() after chip reset completes */ static int ehci_mxc_setup(struct usb_hcd *hcd) { - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - hcd->has_tt = 1; return ehci_setup(hcd); -- cgit v1.1 From d8fd7d5ae3e0561920b38647793b1947e07c7acf Mon Sep 17 00:00:00 2001 From: Amardeep Rai Date: Thu, 8 Nov 2012 20:37:58 +0530 Subject: usb: spear-ehci/ohci: Do clk_get using dev-id We used to get clk using con-id, but now we have device struct available for these devices as they are probed using DT. And so must get clk using dev-id. Signed-off-by: Amardeep Rai Signed-off-by: Viresh Kumar Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-spear.c | 13 +------------ drivers/usb/host/ohci-spear.c | 13 +------------ 2 files changed, 2 insertions(+), 24 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 719ca48..d08506a 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -109,8 +109,6 @@ static int spear_ehci_hcd_drv_probe(struct platform_device *pdev) struct clk *usbh_clk; const struct hc_driver *driver = &ehci_spear_hc_driver; int irq, retval; - char clk_name[20] = "usbh_clk"; - static int instance = -1; if (usb_disabled()) return -ENODEV; @@ -129,16 +127,7 @@ static int spear_ehci_hcd_drv_probe(struct platform_device *pdev) if (!pdev->dev.dma_mask) pdev->dev.dma_mask = &spear_ehci_dma_mask; - /* - * Increment the device instance, when probing via device-tree - */ - if (pdev->id < 0) - instance++; - else - instance = pdev->id; - sprintf(clk_name, "usbh.%01d_clk", instance); - - usbh_clk = clk_get(NULL, clk_name); + usbh_clk = clk_get(&pdev->dev, NULL); if (IS_ERR(usbh_clk)) { dev_err(&pdev->dev, "Error getting interface clock\n"); retval = PTR_ERR(usbh_clk); diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index d607be3..9747708 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -101,8 +101,6 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev) struct spear_ohci *ohci_p; struct resource *res; int retval, irq; - char clk_name[20] = "usbh_clk"; - static int instance = -1; irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -118,16 +116,7 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev) if (!pdev->dev.dma_mask) pdev->dev.dma_mask = &spear_ohci_dma_mask; - /* - * Increment the device instance, when probing via device-tree - */ - if (pdev->id < 0) - instance++; - else - instance = pdev->id; - sprintf(clk_name, "usbh.%01d_clk", instance); - - usbh_clk = clk_get(NULL, clk_name); + usbh_clk = clk_get(&pdev->dev, NULL); if (IS_ERR(usbh_clk)) { dev_err(&pdev->dev, "Error getting interface clock\n"); retval = PTR_ERR(usbh_clk); -- cgit v1.1 From 98515e5923b1c8f982511eeec9d27014b05efebf Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Thu, 8 Nov 2012 20:37:59 +0530 Subject: usb: spear-ehci/ohci: Use devm_*() routines This patch frees SPEAr ehci/ohci drivers from tension of freeing resources :) devm_* derivatives of multiple routines are used while allocating resources, which would be freed automatically by kernel. Signed-off-by: Viresh Kumar Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-spear.c | 37 +++++++++++++------------------------ drivers/usb/host/ohci-spear.c | 33 ++++++++++++--------------------- 2 files changed, 25 insertions(+), 45 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index d08506a..3fadff8 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -116,7 +116,7 @@ static int spear_ehci_hcd_drv_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { retval = irq; - goto fail_irq_get; + goto fail; } /* @@ -127,38 +127,38 @@ static int spear_ehci_hcd_drv_probe(struct platform_device *pdev) if (!pdev->dev.dma_mask) pdev->dev.dma_mask = &spear_ehci_dma_mask; - usbh_clk = clk_get(&pdev->dev, NULL); + usbh_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(usbh_clk)) { dev_err(&pdev->dev, "Error getting interface clock\n"); retval = PTR_ERR(usbh_clk); - goto fail_get_usbh_clk; + goto fail; } hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { retval = -ENOMEM; - goto fail_create_hcd; + goto fail; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { retval = -ENODEV; - goto fail_request_resource; + goto err_put_hcd; } hcd->rsrc_start = res->start; hcd->rsrc_len = resource_size(res); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, + if (!devm_request_mem_region(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len, driver->description)) { retval = -EBUSY; - goto fail_request_resource; + goto err_put_hcd; } - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); + hcd->regs = devm_ioremap(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len); if (hcd->regs == NULL) { dev_dbg(&pdev->dev, "error mapping memory\n"); retval = -ENOMEM; - goto fail_ioremap; + goto err_put_hcd; } ehci = (struct spear_ehci *)hcd_to_ehci(hcd); @@ -167,21 +167,15 @@ static int spear_ehci_hcd_drv_probe(struct platform_device *pdev) spear_start_ehci(ehci); retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval) - goto fail_add_hcd; + goto err_stop_ehci; return retval; -fail_add_hcd: +err_stop_ehci: spear_stop_ehci(ehci); - iounmap(hcd->regs); -fail_ioremap: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -fail_request_resource: +err_put_hcd: usb_put_hcd(hcd); -fail_create_hcd: - clk_put(usbh_clk); -fail_get_usbh_clk: -fail_irq_get: +fail: dev_err(&pdev->dev, "init fail, %d\n", retval); return retval ; @@ -200,13 +194,8 @@ static int spear_ehci_hcd_drv_remove(struct platform_device *pdev) if (ehci_p->clk) spear_stop_ehci(ehci_p); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); - if (ehci_p->clk) - clk_put(ehci_p->clk); - return 0; } diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index 9747708..c69725d 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -105,7 +105,7 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { retval = irq; - goto fail_irq_get; + goto fail; } /* @@ -116,38 +116,39 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev) if (!pdev->dev.dma_mask) pdev->dev.dma_mask = &spear_ohci_dma_mask; - usbh_clk = clk_get(&pdev->dev, NULL); + usbh_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(usbh_clk)) { dev_err(&pdev->dev, "Error getting interface clock\n"); retval = PTR_ERR(usbh_clk); - goto fail_get_usbh_clk; + goto fail; } hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { retval = -ENOMEM; - goto fail_create_hcd; + goto fail; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { retval = -ENODEV; - goto fail_request_resource; + goto err_put_hcd; } hcd->rsrc_start = pdev->resource[0].start; hcd->rsrc_len = resource_size(res); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { + if (!devm_request_mem_region(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len, + hcd_name)) { dev_dbg(&pdev->dev, "request_mem_region failed\n"); retval = -EBUSY; - goto fail_request_resource; + goto err_put_hcd; } - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); + hcd->regs = devm_ioremap(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len); if (!hcd->regs) { dev_dbg(&pdev->dev, "ioremap failed\n"); retval = -ENOMEM; - goto fail_ioremap; + goto err_put_hcd; } ohci_p = (struct spear_ohci *)hcd_to_ohci(hcd); @@ -160,15 +161,9 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev) return retval; spear_stop_ohci(ohci_p); - iounmap(hcd->regs); -fail_ioremap: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -fail_request_resource: +err_put_hcd: usb_put_hcd(hcd); -fail_create_hcd: - clk_put(usbh_clk); -fail_get_usbh_clk: -fail_irq_get: +fail: dev_err(&pdev->dev, "init fail, %d\n", retval); return retval; @@ -183,12 +178,8 @@ static int spear_ohci_hcd_drv_remove(struct platform_device *pdev) if (ohci_p->clk) spear_stop_ohci(ohci_p); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); - if (ohci_p->clk) - clk_put(ohci_p->clk); platform_set_drvdata(pdev, NULL); return 0; } -- cgit v1.1 From 7690417db5085f0de03aa70b8ca01b0118e8a1b4 Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Mon, 19 Nov 2012 13:21:08 -0500 Subject: usb: remove use of __devexit_p CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton Cc: Peter Korsgaard Cc: Alexander Shishkin Acked-by: Felipe Balbi Cc: Li Yang Cc: Alan Stern Cc: Wan ZongShun Cc: Ben Dooks Cc: Kukjin Kim Acked-by: Nicolas Ferre Acked-by: Peter Korsgaard Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/bcma-hcd.c | 2 +- drivers/usb/host/ehci-atmel.c | 2 +- drivers/usb/host/ehci-msm.c | 2 +- drivers/usb/host/ehci-platform.c | 2 +- drivers/usb/host/ehci-s5p.c | 2 +- drivers/usb/host/ehci-w90x900.c | 2 +- drivers/usb/host/fhci-hcd.c | 2 +- drivers/usb/host/fsl-mph-dr-of.c | 2 +- drivers/usb/host/isp1362-hcd.c | 2 +- drivers/usb/host/isp1760-if.c | 2 +- drivers/usb/host/ohci-at91.c | 2 +- drivers/usb/host/ohci-exynos.c | 2 +- drivers/usb/host/ohci-jz4740.c | 2 +- drivers/usb/host/ohci-omap3.c | 2 +- drivers/usb/host/ohci-platform.c | 2 +- drivers/usb/host/ohci-s3c2410.c | 2 +- drivers/usb/host/ohci-tmio.c | 2 +- drivers/usb/host/r8a66597-hcd.c | 2 +- drivers/usb/host/sl811-hcd.c | 2 +- drivers/usb/host/ssb-hcd.c | 2 +- drivers/usb/host/u132-hcd.c | 2 +- 21 files changed, 21 insertions(+), 21 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 443da21..f5143a0 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -316,7 +316,7 @@ static struct bcma_driver bcma_hcd_driver = { .name = KBUILD_MODNAME, .id_table = bcma_hcd_table, .probe = bcma_hcd_probe, - .remove = __devexit_p(bcma_hcd_remove), + .remove = bcma_hcd_remove, .shutdown = bcma_hcd_shutdown, .suspend = bcma_hcd_suspend, .resume = bcma_hcd_resume, diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index d23321e..33f798e 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -207,7 +207,7 @@ MODULE_DEVICE_TABLE(of, atmel_ehci_dt_ids); static struct platform_driver ehci_atmel_driver = { .probe = ehci_atmel_drv_probe, - .remove = __devexit_p(ehci_atmel_drv_remove), + .remove = ehci_atmel_drv_remove, .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "atmel-ehci", diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index 7fa1ba4..e0acfd5 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -220,7 +220,7 @@ static const struct dev_pm_ops ehci_msm_dev_pm_ops = { static struct platform_driver ehci_msm_driver = { .probe = ehci_msm_probe, - .remove = __devexit_p(ehci_msm_remove), + .remove = ehci_msm_remove, .driver = { .name = "msm_hsusb_host", .pm = &ehci_msm_dev_pm_ops, diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index f14c542..b807648 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -196,7 +196,7 @@ static const struct dev_pm_ops ehci_platform_pm_ops = { static struct platform_driver ehci_platform_driver = { .id_table = ehci_platform_table, .probe = ehci_platform_probe, - .remove = __devexit_p(ehci_platform_remove), + .remove = ehci_platform_remove, .shutdown = usb_hcd_platform_shutdown, .driver = { .owner = THIS_MODULE, diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index abc178d..f90a881 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -274,7 +274,7 @@ MODULE_DEVICE_TABLE(of, exynos_ehci_match); static struct platform_driver s5p_ehci_driver = { .probe = s5p_ehci_probe, - .remove = __devexit_p(s5p_ehci_remove), + .remove = s5p_ehci_remove, .shutdown = s5p_ehci_shutdown, .driver = { .name = "s5p-ehci", diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index fdd7c48..7bcb8b2 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -166,7 +166,7 @@ static int __devexit ehci_w90x900_remove(struct platform_device *pdev) static struct platform_driver ehci_hcd_w90x900_driver = { .probe = ehci_w90x900_probe, - .remove = __devexit_p(ehci_w90x900_remove), + .remove = ehci_w90x900_remove, .driver = { .name = "w90x900-ehci", .owner = THIS_MODULE, diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 7da1a26..92f4b99 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -821,7 +821,7 @@ static struct platform_driver of_fhci_driver = { .of_match_table = of_fhci_match, }, .probe = of_fhci_probe, - .remove = __devexit_p(of_fhci_remove), + .remove = of_fhci_remove, }; module_platform_driver(of_fhci_driver); diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 1e77129..3a5c82f 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -336,7 +336,7 @@ static struct platform_driver fsl_usb2_mph_dr_driver = { .of_match_table = fsl_usb2_mph_dr_of_match, }, .probe = fsl_usb2_mph_dr_of_probe, - .remove = __devexit_p(fsl_usb2_mph_dr_of_remove), + .remove = fsl_usb2_mph_dr_of_remove, }; module_platform_driver(fsl_usb2_mph_dr_driver); diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 2563263..1ad9d200 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -2856,7 +2856,7 @@ static int isp1362_resume(struct platform_device *pdev) static struct platform_driver isp1362_driver = { .probe = isp1362_probe, - .remove = __devexit_p(isp1362_remove), + .remove = isp1362_remove, .suspend = isp1362_suspend, .resume = isp1362_resume, diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c index 958379f..5fb3cae 100644 --- a/drivers/usb/host/isp1760-if.c +++ b/drivers/usb/host/isp1760-if.c @@ -432,7 +432,7 @@ static int __devexit isp1760_plat_remove(struct platform_device *pdev) static struct platform_driver isp1760_plat_driver = { .probe = isp1760_plat_probe, - .remove = __devexit_p(isp1760_plat_remove), + .remove = isp1760_plat_remove, .driver = { .name = "isp1760", }, diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 908d84a..e4480029 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -717,7 +717,7 @@ MODULE_ALIAS("platform:at91_ohci"); static struct platform_driver ohci_hcd_at91_driver = { .probe = ohci_hcd_at91_drv_probe, - .remove = __devexit_p(ohci_hcd_at91_drv_remove), + .remove = ohci_hcd_at91_drv_remove, .shutdown = usb_hcd_platform_shutdown, .suspend = ohci_hcd_at91_drv_suspend, .resume = ohci_hcd_at91_drv_resume, diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 6a30fc5..2f673e8 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -275,7 +275,7 @@ MODULE_DEVICE_TABLE(of, exynos_ohci_match); static struct platform_driver exynos_ohci_driver = { .probe = exynos_ohci_probe, - .remove = __devexit_p(exynos_ohci_remove), + .remove = exynos_ohci_remove, .shutdown = exynos_ohci_shutdown, .driver = { .name = "exynos-ohci", diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c index 931d588..b4921b7 100644 --- a/drivers/usb/host/ohci-jz4740.c +++ b/drivers/usb/host/ohci-jz4740.c @@ -266,7 +266,7 @@ static __devexit int jz4740_ohci_remove(struct platform_device *pdev) static struct platform_driver ohci_hcd_jz4740_driver = { .probe = jz4740_ohci_probe, - .remove = __devexit_p(jz4740_ohci_remove), + .remove = jz4740_ohci_remove, .driver = { .name = "jz4740-ohci", .owner = THIS_MODULE, diff --git a/drivers/usb/host/ohci-omap3.c b/drivers/usb/host/ohci-omap3.c index 1b8133b..6bee6f1 100644 --- a/drivers/usb/host/ohci-omap3.c +++ b/drivers/usb/host/ohci-omap3.c @@ -232,7 +232,7 @@ static void ohci_hcd_omap3_shutdown(struct platform_device *pdev) static struct platform_driver ohci_hcd_omap3_driver = { .probe = ohci_hcd_omap3_probe, - .remove = __devexit_p(ohci_hcd_omap3_remove), + .remove = ohci_hcd_omap3_remove, .shutdown = ohci_hcd_omap3_shutdown, .driver = { .name = "ohci-omap3", diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index bda4e0b..ffe6c98 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -214,7 +214,7 @@ static const struct dev_pm_ops ohci_platform_pm_ops = { static struct platform_driver ohci_platform_driver = { .id_table = ohci_platform_table, .probe = ohci_platform_probe, - .remove = __devexit_p(ohci_platform_remove), + .remove = ohci_platform_remove, .shutdown = usb_hcd_platform_shutdown, .driver = { .owner = THIS_MODULE, diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index e84190f..5c5c017 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -524,7 +524,7 @@ static const struct dev_pm_ops ohci_hcd_s3c2410_pm_ops = { static struct platform_driver ohci_hcd_s3c2410_driver = { .probe = ohci_hcd_s3c2410_drv_probe, - .remove = __devexit_p(ohci_hcd_s3c2410_drv_remove), + .remove = ohci_hcd_s3c2410_drv_remove, .shutdown = usb_hcd_platform_shutdown, .driver = { .owner = THIS_MODULE, diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 2c9ab8f..94c6c55 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -363,7 +363,7 @@ static int ohci_hcd_tmio_drv_resume(struct platform_device *dev) static struct platform_driver ohci_hcd_tmio_driver = { .probe = ohci_hcd_tmio_drv_probe, - .remove = __devexit_p(ohci_hcd_tmio_drv_remove), + .remove = ohci_hcd_tmio_drv_remove, .shutdown = usb_hcd_platform_shutdown, .suspend = ohci_hcd_tmio_drv_suspend, .resume = ohci_hcd_tmio_drv_resume, diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index b3eea0b..4e0436f 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2532,7 +2532,7 @@ clean_up: static struct platform_driver r8a66597_driver = { .probe = r8a66597_probe, - .remove = __devexit_p(r8a66597_remove), + .remove = r8a66597_remove, .driver = { .name = (char *) hcd_name, .owner = THIS_MODULE, diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 619b05f..15f20de 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1808,7 +1808,7 @@ sl811h_resume(struct platform_device *dev) /* this driver is exported so sl811_cs can depend on it */ struct platform_driver sl811h_driver = { .probe = sl811h_probe, - .remove = __devexit_p(sl811h_remove), + .remove = sl811h_remove, .suspend = sl811h_suspend, .resume = sl811h_resume, diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c index c2a29fa..4dc9a09 100644 --- a/drivers/usb/host/ssb-hcd.c +++ b/drivers/usb/host/ssb-hcd.c @@ -261,7 +261,7 @@ static struct ssb_driver ssb_hcd_driver = { .name = KBUILD_MODNAME, .id_table = ssb_hcd_table, .probe = ssb_hcd_probe, - .remove = __devexit_p(ssb_hcd_remove), + .remove = ssb_hcd_remove, .shutdown = ssb_hcd_shutdown, .suspend = ssb_hcd_suspend, .resume = ssb_hcd_resume, diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index dbbd1ba..8836898 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3212,7 +3212,7 @@ static int u132_resume(struct platform_device *pdev) */ static struct platform_driver u132_platform_driver = { .probe = u132_probe, - .remove = __devexit_p(u132_remove), + .remove = u132_remove, .suspend = u132_suspend, .resume = u132_resume, .driver = { -- cgit v1.1 From 41ac7b3ab7fe1d6175839947a877fdf95cbd2211 Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Mon, 19 Nov 2012 13:21:48 -0500 Subject: usb: remove use of __devinit CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton Cc: Peter Korsgaard Cc: Alexander Shishkin Acked-by: Felipe Balbi Cc: Li Yang Acked-by: Alan Stern Cc: Geoff Levand Cc: Wan ZongShun Cc: Olav Kongas Cc: Lennert Buytenhek Cc: Ben Dooks Cc: Kukjin Kim Acked-by: Nicolas Ferre Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/bcma-hcd.c | 9 ++++----- drivers/usb/host/ehci-atmel.c | 2 +- drivers/usb/host/ehci-grlib.c | 2 +- drivers/usb/host/ehci-orion.c | 4 ++-- drivers/usb/host/ehci-platform.c | 2 +- drivers/usb/host/ehci-ppc-of.c | 4 ++-- drivers/usb/host/ehci-ps3.c | 2 +- drivers/usb/host/ehci-s5p.c | 2 +- drivers/usb/host/ehci-w90x900.c | 4 ++-- drivers/usb/host/ehci-xilinx-of.c | 2 +- drivers/usb/host/fhci-hcd.c | 2 +- drivers/usb/host/fsl-mph-dr-of.c | 8 ++++---- drivers/usb/host/imx21-hcd.c | 2 +- drivers/usb/host/isp116x-hcd.c | 2 +- drivers/usb/host/isp1362-hcd.c | 2 +- drivers/usb/host/isp1760-if.c | 4 ++-- drivers/usb/host/ohci-at91.c | 12 ++++++------ drivers/usb/host/ohci-ep93xx.c | 2 +- drivers/usb/host/ohci-exynos.c | 2 +- drivers/usb/host/ohci-jz4740.c | 2 +- drivers/usb/host/ohci-nxp.c | 4 ++-- drivers/usb/host/ohci-octeon.c | 2 +- drivers/usb/host/ohci-omap3.c | 2 +- drivers/usb/host/ohci-pci.c | 2 +- drivers/usb/host/ohci-platform.c | 2 +- drivers/usb/host/ohci-ppc-of.c | 4 ++-- drivers/usb/host/ohci-ps3.c | 4 ++-- drivers/usb/host/ohci-pxa27x.c | 6 +++--- drivers/usb/host/ohci-s3c2410.c | 2 +- drivers/usb/host/ohci-sa1111.c | 2 +- drivers/usb/host/ohci-spear.c | 2 +- drivers/usb/host/ohci-tmio.c | 2 +- drivers/usb/host/pci-quirks.c | 14 +++++++------- drivers/usb/host/r8a66597-hcd.c | 2 +- drivers/usb/host/sl811-hcd.c | 2 +- drivers/usb/host/ssb-hcd.c | 11 +++++------ drivers/usb/host/u132-hcd.c | 2 +- drivers/usb/host/uhci-grlib.c | 2 +- drivers/usb/host/uhci-platform.c | 2 +- 39 files changed, 69 insertions(+), 71 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index f5143a0..8c83ed9 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -54,7 +54,7 @@ static int bcma_wait_bits(struct bcma_device *dev, u16 reg, u32 bitmask, return -ETIMEDOUT; } -static void __devinit bcma_hcd_4716wa(struct bcma_device *dev) +static void bcma_hcd_4716wa(struct bcma_device *dev) { #ifdef CONFIG_BCMA_DRIVER_MIPS /* Work around for 4716 failures. */ @@ -88,7 +88,7 @@ static void __devinit bcma_hcd_4716wa(struct bcma_device *dev) } /* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */ -static void __devinit bcma_hcd_init_chip(struct bcma_device *dev) +static void bcma_hcd_init_chip(struct bcma_device *dev) { u32 tmp; @@ -165,8 +165,7 @@ static const struct usb_ehci_pdata ehci_pdata = { static const struct usb_ohci_pdata ohci_pdata = { }; -static struct platform_device * __devinit -bcma_hcd_create_pdev(struct bcma_device *dev, bool ohci, u32 addr) +static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, bool ohci, u32 addr) { struct platform_device *hci_dev; struct resource hci_res[2]; @@ -212,7 +211,7 @@ err_alloc: return ERR_PTR(ret); } -static int __devinit bcma_hcd_probe(struct bcma_device *dev) +static int bcma_hcd_probe(struct bcma_device *dev) { int err; u16 chipid_top; diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 33f798e..96bf00d 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -97,7 +97,7 @@ static const struct hc_driver ehci_atmel_hc_driver = { static u64 at91_ehci_dma_mask = DMA_BIT_MASK(32); -static int __devinit ehci_atmel_drv_probe(struct platform_device *pdev) +static int ehci_atmel_drv_probe(struct platform_device *pdev) { struct usb_hcd *hcd; const struct hc_driver *driver = &ehci_atmel_hc_driver; diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c index da42695..1fc8929 100644 --- a/drivers/usb/host/ehci-grlib.c +++ b/drivers/usb/host/ehci-grlib.c @@ -82,7 +82,7 @@ static const struct hc_driver ehci_grlib_hc_driver = { }; -static int __devinit ehci_hcd_grlib_probe(struct platform_device *op) +static int ehci_hcd_grlib_probe(struct platform_device *op) { struct device_node *dn = op->dev.of_node; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 96da679..f74794c 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -146,7 +146,7 @@ static const struct hc_driver ehci_orion_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; -static void __devinit +static void ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, const struct mbus_dram_target_info *dram) { @@ -167,7 +167,7 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, } } -static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) +static int ehci_orion_drv_probe(struct platform_device *pdev) { struct orion_ehci_data *pd = pdev->dev.platform_data; const struct mbus_dram_target_info *dram; diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index b807648..615cba0 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -61,7 +61,7 @@ static const struct ehci_driver_overrides platform_overrides __initdata = { .reset = ehci_platform_reset, }; -static int __devinit ehci_platform_probe(struct platform_device *dev) +static int ehci_platform_probe(struct platform_device *dev) { struct usb_hcd *hcd; struct resource *res_mem; diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c index fa937d0..45aceef 100644 --- a/drivers/usb/host/ehci-ppc-of.c +++ b/drivers/usb/host/ehci-ppc-of.c @@ -71,7 +71,7 @@ static const struct hc_driver ehci_ppc_of_hc_driver = { * Fix: Enable Break Memory Transfer (BMT) in INSNREG3 */ #define PPC440EPX_EHCI0_INSREG_BMT (0x1 << 0) -static int __devinit +static int ppc44x_enable_bmt(struct device_node *dn) { __iomem u32 *insreg_virt; @@ -87,7 +87,7 @@ ppc44x_enable_bmt(struct device_node *dn) } -static int __devinit ehci_hcd_ppc_of_probe(struct platform_device *op) +static int ehci_hcd_ppc_of_probe(struct platform_device *op) { struct device_node *dn = op->dev.of_node; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 45a356e..df5925a 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -93,7 +93,7 @@ static const struct hc_driver ps3_ehci_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; -static int __devinit ps3_ehci_probe(struct ps3_system_bus_device *dev) +static int ps3_ehci_probe(struct ps3_system_bus_device *dev) { int result; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index f90a881..2cf19d1 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -85,7 +85,7 @@ static void s5p_setup_vbus_gpio(struct platform_device *pdev) static u64 ehci_s5p_dma_mask = DMA_BIT_MASK(32); -static int __devinit s5p_ehci_probe(struct platform_device *pdev) +static int s5p_ehci_probe(struct platform_device *pdev) { struct s5p_ehci_platdata *pdata; struct s5p_ehci_hcd *s5p_ehci; diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index 7bcb8b2..bf8d462 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -18,7 +18,7 @@ #define PHY0_CTR (0xA4) #define PHY1_CTR (0xA8) -static int __devinit usb_w90x900_probe(const struct hc_driver *driver, +static int usb_w90x900_probe(const struct hc_driver *driver, struct platform_device *pdev) { struct usb_hcd *hcd; @@ -147,7 +147,7 @@ static const struct hc_driver ehci_w90x900_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; -static int __devinit ehci_w90x900_probe(struct platform_device *pdev) +static int ehci_w90x900_probe(struct platform_device *pdev) { if (usb_disabled()) return -ENODEV; diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c index 6a3f921a..4f285e8 100644 --- a/drivers/usb/host/ehci-xilinx-of.c +++ b/drivers/usb/host/ehci-xilinx-of.c @@ -125,7 +125,7 @@ static const struct hc_driver ehci_xilinx_of_hc_driver = { * as HS only or HS/FS only, it checks the configuration in the device tree * entry, and sets an appropriate value for hcd->has_tt. */ -static int __devinit ehci_hcd_xilinx_of_probe(struct platform_device *op) +static int ehci_hcd_xilinx_of_probe(struct platform_device *op) { struct device_node *dn = op->dev.of_node; struct usb_hcd *hcd; diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 92f4b99..618f143 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -561,7 +561,7 @@ static const struct hc_driver fhci_driver = { .hub_control = fhci_hub_control, }; -static int __devinit of_fhci_probe(struct platform_device *ofdev) +static int of_fhci_probe(struct platform_device *ofdev) { struct device *dev = &ofdev->dev; struct device_node *node = dev->of_node; diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 3a5c82f..dc0aeba 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -42,7 +42,7 @@ struct fsl_usb2_dev_data dr_mode_data[] __devinitdata = { }, }; -struct fsl_usb2_dev_data * __devinit get_dr_mode_data(struct device_node *np) +struct fsl_usb2_dev_data *get_dr_mode_data(struct device_node *np) { const unsigned char *prop; int i; @@ -59,7 +59,7 @@ struct fsl_usb2_dev_data * __devinit get_dr_mode_data(struct device_node *np) return &dr_mode_data[0]; /* mode not specified, use host */ } -static enum fsl_usb2_phy_modes __devinit determine_usb_phy(const char *phy_type) +static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type) { if (!phy_type) return FSL_USB2_PHY_NONE; @@ -75,7 +75,7 @@ static enum fsl_usb2_phy_modes __devinit determine_usb_phy(const char *phy_type) return FSL_USB2_PHY_NONE; } -struct platform_device * __devinit fsl_usb2_device_register( +struct platform_device *fsl_usb2_device_register( struct platform_device *ofdev, struct fsl_usb2_platform_data *pdata, const char *name, int id) @@ -154,7 +154,7 @@ static int usb_get_ver_info(struct device_node *np) return ver; } -static int __devinit fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev) +static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev) { struct device_node *np = ofdev->dev.of_node; struct platform_device *usb_dev; diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index f19e269..bd6a744 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -1680,7 +1680,7 @@ static int imx21_hc_reset(struct usb_hcd *hcd) return 0; } -static int __devinit imx21_hc_start(struct usb_hcd *hcd) +static int imx21_hc_start(struct usb_hcd *hcd) { struct imx21 *imx21 = hcd_to_imx21(hcd); unsigned long flags; diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 9e65e30..b64e661 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1557,7 +1557,7 @@ static int isp116x_remove(struct platform_device *pdev) return 0; } -static int __devinit isp116x_probe(struct platform_device *pdev) +static int isp116x_probe(struct platform_device *pdev) { struct usb_hcd *hcd; struct isp116x *isp116x; diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 1ad9d200..5f8b63c 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -2680,7 +2680,7 @@ static int __devexit isp1362_remove(struct platform_device *pdev) return 0; } -static int __devinit isp1362_probe(struct platform_device *pdev) +static int isp1362_probe(struct platform_device *pdev) { struct usb_hcd *hcd; struct isp1362_hcd *isp1362_hcd; diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c index 5fb3cae..d752a4c 100644 --- a/drivers/usb/host/isp1760-if.c +++ b/drivers/usb/host/isp1760-if.c @@ -172,7 +172,7 @@ static struct platform_driver isp1760_of_driver = { #endif #ifdef CONFIG_PCI -static int __devinit isp1761_pci_probe(struct pci_dev *dev, +static int isp1761_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { u8 latency, limit; @@ -346,7 +346,7 @@ static struct pci_driver isp1761_pci_driver = { }; #endif -static int __devinit isp1760_plat_probe(struct platform_device *pdev) +static int isp1760_plat_probe(struct platform_device *pdev) { int ret = 0; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index e4480029..ff94a74 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -108,7 +108,7 @@ static void __devexit usb_hcd_at91_remove (struct usb_hcd *, struct platform_dev * then invokes the start() method for the HCD associated with it * through the hotplug entry's driver_data. */ -static int __devinit usb_hcd_at91_probe(const struct hc_driver *driver, +static int usb_hcd_at91_probe(const struct hc_driver *driver, struct platform_device *pdev) { int retval; @@ -222,7 +222,7 @@ static void __devexit usb_hcd_at91_remove(struct usb_hcd *hcd, /*-------------------------------------------------------------------------*/ -static int __devinit +static int ohci_at91_reset (struct usb_hcd *hcd) { struct at91_usbh_data *board = hcd->self.controller->platform_data; @@ -236,7 +236,7 @@ ohci_at91_reset (struct usb_hcd *hcd) return 0; } -static int __devinit +static int ohci_at91_start (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); @@ -506,7 +506,7 @@ MODULE_DEVICE_TABLE(of, at91_ohci_dt_ids); static u64 at91_ohci_dma_mask = DMA_BIT_MASK(32); -static int __devinit ohci_at91_of_init(struct platform_device *pdev) +static int ohci_at91_of_init(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; int i, gpio; @@ -548,7 +548,7 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev) return 0; } #else -static int __devinit ohci_at91_of_init(struct platform_device *pdev) +static int ohci_at91_of_init(struct platform_device *pdev) { return 0; } @@ -556,7 +556,7 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev) /*-------------------------------------------------------------------------*/ -static int __devinit ohci_hcd_at91_drv_probe(struct platform_device *pdev) +static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) { struct at91_usbh_data *pdata; int i; diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c index a982f04..8704e9f 100644 --- a/drivers/usb/host/ohci-ep93xx.c +++ b/drivers/usb/host/ohci-ep93xx.c @@ -107,7 +107,7 @@ static void usb_hcd_ep93xx_remove(struct usb_hcd *hcd, usb_put_hcd(hcd); } -static int __devinit ohci_ep93xx_start(struct usb_hcd *hcd) +static int ohci_ep93xx_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); int ret; diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 2f673e8..1288cdb 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -76,7 +76,7 @@ static const struct hc_driver exynos_ohci_hc_driver = { static u64 ohci_exynos_dma_mask = DMA_BIT_MASK(32); -static int __devinit exynos_ohci_probe(struct platform_device *pdev) +static int exynos_ohci_probe(struct platform_device *pdev) { struct exynos4_ohci_platdata *pdata; struct exynos_ohci_hcd *exynos_ohci; diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c index b4921b7..59feb87 100644 --- a/drivers/usb/host/ohci-jz4740.c +++ b/drivers/usb/host/ohci-jz4740.c @@ -145,7 +145,7 @@ static const struct hc_driver ohci_jz4740_hc_driver = { }; -static __devinit int jz4740_ohci_probe(struct platform_device *pdev) +static int jz4740_ohci_probe(struct platform_device *pdev) { int ret; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index e068f03..2344040 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -147,7 +147,7 @@ static void nxp_stop_hc(void) __raw_writel(tmp, USB_OTG_STAT_CONTROL); } -static int __devinit ohci_nxp_start(struct usb_hcd *hcd) +static int ohci_nxp_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); int ret; @@ -205,7 +205,7 @@ static const struct hc_driver ohci_nxp_hc_driver = { .start_port_reset = ohci_start_port_reset, }; -static int __devinit usb_hcd_nxp_probe(struct platform_device *pdev) +static int usb_hcd_nxp_probe(struct platform_device *pdev) { struct usb_hcd *hcd = 0; struct ohci_hcd *ohci; diff --git a/drivers/usb/host/ohci-octeon.c b/drivers/usb/host/ohci-octeon.c index d469bf9..d44430d 100644 --- a/drivers/usb/host/ohci-octeon.c +++ b/drivers/usb/host/ohci-octeon.c @@ -42,7 +42,7 @@ static void ohci_octeon_hw_stop(void) octeon2_usb_clocks_stop(); } -static int __devinit ohci_octeon_start(struct usb_hcd *hcd) +static int ohci_octeon_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); int ret; diff --git a/drivers/usb/host/ohci-omap3.c b/drivers/usb/host/ohci-omap3.c index 6bee6f1..b2398aa 100644 --- a/drivers/usb/host/ohci-omap3.c +++ b/drivers/usb/host/ohci-omap3.c @@ -125,7 +125,7 @@ static const struct hc_driver ohci_omap3_hc_driver = { * then invokes the start() method for the HCD associated with it * through the hotplug entry's driver_data. */ -static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev) +static int ohci_hcd_omap3_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct usb_hcd *hcd = NULL; diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 6afa7dc..951514e 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -270,7 +270,7 @@ static int ohci_pci_reset (struct usb_hcd *hcd) } -static int __devinit ohci_pci_start (struct usb_hcd *hcd) +static int ohci_pci_start (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); int ret; diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index ffe6c98..c3f76fa 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -83,7 +83,7 @@ static const struct hc_driver ohci_platform_hc_driver = { .start_port_reset = ohci_start_port_reset, }; -static int __devinit ohci_platform_probe(struct platform_device *dev) +static int ohci_platform_probe(struct platform_device *dev) { struct usb_hcd *hcd; struct resource *res_mem; diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c index e27d5ae..64c2ed9f 100644 --- a/drivers/usb/host/ohci-ppc-of.c +++ b/drivers/usb/host/ohci-ppc-of.c @@ -19,7 +19,7 @@ #include -static int __devinit +static int ohci_ppc_of_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); @@ -81,7 +81,7 @@ static const struct hc_driver ohci_ppc_of_hc_driver = { }; -static int __devinit ohci_hcd_ppc_of_probe(struct platform_device *op) +static int ohci_hcd_ppc_of_probe(struct platform_device *op) { struct device_node *dn = op->dev.of_node; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c index 2ee1d8d..7d35cd9 100644 --- a/drivers/usb/host/ohci-ps3.c +++ b/drivers/usb/host/ohci-ps3.c @@ -30,7 +30,7 @@ static int ps3_ohci_hc_reset(struct usb_hcd *hcd) return ohci_init(ohci); } -static int __devinit ps3_ohci_hc_start(struct usb_hcd *hcd) +static int ps3_ohci_hc_start(struct usb_hcd *hcd) { int result; struct ohci_hcd *ohci = hcd_to_ohci(hcd); @@ -76,7 +76,7 @@ static const struct hc_driver ps3_ohci_hc_driver = { #endif }; -static int __devinit ps3_ohci_probe(struct ps3_system_bus_device *dev) +static int ps3_ohci_probe(struct ps3_system_bus_device *dev) { int result; struct usb_hcd *hcd; diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 156d289..efe71f3 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -284,7 +284,7 @@ MODULE_DEVICE_TABLE(of, pxa_ohci_dt_ids); static u64 pxa_ohci_dma_mask = DMA_BIT_MASK(32); -static int __devinit ohci_pxa_of_init(struct platform_device *pdev) +static int ohci_pxa_of_init(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct pxaohci_platform_data *pdata; @@ -330,7 +330,7 @@ static int __devinit ohci_pxa_of_init(struct platform_device *pdev) return 0; } #else -static int __devinit ohci_pxa_of_init(struct platform_device *pdev) +static int ohci_pxa_of_init(struct platform_device *pdev) { return 0; } @@ -471,7 +471,7 @@ void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev) /*-------------------------------------------------------------------------*/ -static int __devinit +static int ohci_pxa27x_start (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 5c5c017..4f29e0b 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -458,7 +458,7 @@ static const struct hc_driver ohci_s3c2410_hc_driver = { /* device driver */ -static int __devinit ohci_hcd_s3c2410_drv_probe(struct platform_device *pdev) +static int ohci_hcd_s3c2410_drv_probe(struct platform_device *pdev) { return usb_hcd_s3c2410_probe(&ohci_s3c2410_hc_driver, pdev); } diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c index b6cc925..17b2a7d 100644 --- a/drivers/usb/host/ohci-sa1111.c +++ b/drivers/usb/host/ohci-sa1111.c @@ -63,7 +63,7 @@ static int ohci_sa1111_reset(struct usb_hcd *hcd) return ohci_init(ohci); } -static int __devinit ohci_sa1111_start(struct usb_hcd *hcd) +static int ohci_sa1111_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); int ret; diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index c69725d..b7fc2fc 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -33,7 +33,7 @@ static void spear_stop_ohci(struct spear_ohci *ohci) clk_disable_unprepare(ohci->clk); } -static int __devinit ohci_spear_start(struct usb_hcd *hcd) +static int ohci_spear_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); int ret; diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 94c6c55..5996a3b 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -184,7 +184,7 @@ static const struct hc_driver ohci_tmio_hc_driver = { /*-------------------------------------------------------------------------*/ static struct platform_driver ohci_hcd_tmio_driver; -static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev) +static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) { const struct mfd_cell *cell = mfd_get_cell(dev); struct resource *regs = platform_get_resource(dev, IORESOURCE_MEM, 0); diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 39f9e4a..a018e70 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -443,7 +443,7 @@ static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask) #define pio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_IO) #define mmio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_MEMORY) -static void __devinit quirk_usb_handoff_uhci(struct pci_dev *pdev) +static void quirk_usb_handoff_uhci(struct pci_dev *pdev) { unsigned long base = 0; int i; @@ -461,12 +461,12 @@ static void __devinit quirk_usb_handoff_uhci(struct pci_dev *pdev) uhci_check_and_reset_hc(pdev, base); } -static int __devinit mmio_resource_enabled(struct pci_dev *pdev, int idx) +static int mmio_resource_enabled(struct pci_dev *pdev, int idx) { return pci_resource_start(pdev, idx) && mmio_enabled(pdev); } -static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) +static void quirk_usb_handoff_ohci(struct pci_dev *pdev) { void __iomem *base; u32 control; @@ -558,7 +558,7 @@ static const struct dmi_system_id __devinitconst ehci_dmi_nohandoff_table[] = { { } }; -static void __devinit ehci_bios_handoff(struct pci_dev *pdev, +static void ehci_bios_handoff(struct pci_dev *pdev, void __iomem *op_reg_base, u32 cap, u8 offset) { @@ -626,7 +626,7 @@ static void __devinit ehci_bios_handoff(struct pci_dev *pdev, writel(0, op_reg_base + EHCI_CONFIGFLAG); } -static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) +static void quirk_usb_disable_ehci(struct pci_dev *pdev) { void __iomem *base, *op_reg_base; u32 hcc_params, cap, val; @@ -841,7 +841,7 @@ EXPORT_SYMBOL_GPL(usb_disable_xhci_ports); * and then waits 5 seconds for the BIOS to hand over control. * If we timeout, assume the BIOS is broken and take control anyway. */ -static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev) +static void quirk_usb_handoff_xhci(struct pci_dev *pdev) { void __iomem *base; int ext_cap_offset; @@ -941,7 +941,7 @@ hc_init: iounmap(base); } -static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev) +static void quirk_usb_early_handoff(struct pci_dev *pdev) { /* Skip Netlogic mips SoC's internal PCI USB controller. * This device does not need/support EHCI/OHCI handoff diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 4e0436f..e97dfad 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2405,7 +2405,7 @@ static int __devexit r8a66597_remove(struct platform_device *pdev) return 0; } -static int __devinit r8a66597_probe(struct platform_device *pdev) +static int r8a66597_probe(struct platform_device *pdev) { char clk_name[8]; struct resource *res = NULL, *ires; diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 15f20de..782127d 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1618,7 +1618,7 @@ sl811h_remove(struct platform_device *dev) return 0; } -static int __devinit +static int sl811h_probe(struct platform_device *dev) { struct usb_hcd *hcd; diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c index 4dc9a09..79aa958 100644 --- a/drivers/usb/host/ssb-hcd.c +++ b/drivers/usb/host/ssb-hcd.c @@ -39,7 +39,7 @@ struct ssb_hcd_device { u32 enable_flags; }; -static void __devinit ssb_hcd_5354wa(struct ssb_device *dev) +static void ssb_hcd_5354wa(struct ssb_device *dev) { #ifdef CONFIG_SSB_DRIVER_MIPS /* Work around for 5354 failures */ @@ -53,7 +53,7 @@ static void __devinit ssb_hcd_5354wa(struct ssb_device *dev) #endif } -static void __devinit ssb_hcd_usb20wa(struct ssb_device *dev) +static void ssb_hcd_usb20wa(struct ssb_device *dev) { if (dev->id.coreid == SSB_DEV_USB20_HOST) { /* @@ -80,7 +80,7 @@ static void __devinit ssb_hcd_usb20wa(struct ssb_device *dev) } /* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */ -static u32 __devinit ssb_hcd_init_chip(struct ssb_device *dev) +static u32 ssb_hcd_init_chip(struct ssb_device *dev) { u32 flags = 0; @@ -101,8 +101,7 @@ static const struct usb_ehci_pdata ehci_pdata = { static const struct usb_ohci_pdata ohci_pdata = { }; -static struct platform_device * __devinit -ssb_hcd_create_pdev(struct ssb_device *dev, bool ohci, u32 addr, u32 len) +static struct platform_device *ssb_hcd_create_pdev(struct ssb_device *dev, bool ohci, u32 addr, u32 len) { struct platform_device *hci_dev; struct resource hci_res[2]; @@ -148,7 +147,7 @@ err_alloc: return ERR_PTR(ret); } -static int __devinit ssb_hcd_probe(struct ssb_device *dev, +static int ssb_hcd_probe(struct ssb_device *dev, const struct ssb_device_id *id) { int err, tmp; diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 8836898..8bf78e6 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3084,7 +3084,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev) mutex_unlock(&u132->sw_lock); } -static int __devinit u132_probe(struct platform_device *pdev) +static int u132_probe(struct platform_device *pdev) { struct usb_hcd *hcd; int retval; diff --git a/drivers/usb/host/uhci-grlib.c b/drivers/usb/host/uhci-grlib.c index f7a6213..511bfc4 100644 --- a/drivers/usb/host/uhci-grlib.c +++ b/drivers/usb/host/uhci-grlib.c @@ -85,7 +85,7 @@ static const struct hc_driver uhci_grlib_hc_driver = { }; -static int __devinit uhci_hcd_grlib_probe(struct platform_device *op) +static int uhci_hcd_grlib_probe(struct platform_device *op) { struct device_node *dn = op->dev.of_node; struct usb_hcd *hcd; diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c index 68ebf20..8c4dace 100644 --- a/drivers/usb/host/uhci-platform.c +++ b/drivers/usb/host/uhci-platform.c @@ -62,7 +62,7 @@ static const struct hc_driver uhci_platform_hc_driver = { static u64 platform_uhci_dma_mask = DMA_BIT_MASK(32); -static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev) +static int uhci_hcd_platform_probe(struct platform_device *pdev) { struct usb_hcd *hcd; struct uhci_hcd *uhci; -- cgit v1.1 From d3608b6dafc570bb671c3338288eb2523f8cd52a Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Mon, 19 Nov 2012 13:24:34 -0500 Subject: usb: remove use of __devinitdata CONFIG_HOTPLUG is going away as an option so __devinitdata is no longer needed. Signed-off-by: Bill Pemberton Cc: Alexander Shishkin Acked-by: Felipe Balbi Cc: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-spear.c | 2 +- drivers/usb/host/ehci-tegra.c | 2 +- drivers/usb/host/fsl-mph-dr-of.c | 2 +- drivers/usb/host/ohci-spear.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 3fadff8..466c1bb 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -199,7 +199,7 @@ static int spear_ehci_hcd_drv_remove(struct platform_device *pdev) return 0; } -static struct of_device_id spear_ehci_id_table[] __devinitdata = { +static struct of_device_id spear_ehci_id_table[] = { { .compatible = "st,spear600-ehci", }, { }, }; diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index ef0a6ef..acf1755 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -805,7 +805,7 @@ static void tegra_ehci_hcd_shutdown(struct platform_device *pdev) hcd->driver->shutdown(hcd); } -static struct of_device_id tegra_ehci_of_match[] __devinitdata = { +static struct of_device_id tegra_ehci_of_match[] = { { .compatible = "nvidia,tegra20-ehci", }, { }, }; diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index dc0aeba..5faf796 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -24,7 +24,7 @@ struct fsl_usb2_dev_data { enum fsl_usb2_operating_modes op_mode; /* operating mode */ }; -struct fsl_usb2_dev_data dr_mode_data[] __devinitdata = { +struct fsl_usb2_dev_data dr_mode_data[] = { { .dr_mode = "host", .drivers = { "fsl-ehci", NULL, NULL, }, diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index b7fc2fc..9020bf0 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -216,7 +216,7 @@ static int spear_ohci_hcd_drv_resume(struct platform_device *dev) } #endif -static struct of_device_id spear_ohci_id_table[] __devinitdata = { +static struct of_device_id spear_ohci_id_table[] = { { .compatible = "st,spear600-ohci", }, { }, }; -- cgit v1.1 From 2f82686e8c261d96d07bb1594d987cd6d5c64af6 Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Mon, 19 Nov 2012 13:25:20 -0500 Subject: usb: remove use of __devinitconst CONFIG_HOTPLUG is going away as an option so __devinitconst is no longer needed. Signed-off-by: Bill Pemberton Cc: Li Yang Acked-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/bcma-hcd.c | 2 +- drivers/usb/host/pci-quirks.c | 2 +- drivers/usb/host/ssb-hcd.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 8c83ed9..649780b 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -305,7 +305,7 @@ static int bcma_hcd_resume(struct bcma_device *dev) #define bcma_hcd_resume NULL #endif /* CONFIG_PM */ -static const struct bcma_device_id bcma_hcd_table[] __devinitconst = { +static const struct bcma_device_id bcma_hcd_table[] = { BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS), BCMA_CORETABLE_END }; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index a018e70..15cfb06 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -533,7 +533,7 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) iounmap(base); } -static const struct dmi_system_id __devinitconst ehci_dmi_nohandoff_table[] = { +static const struct dmi_system_id ehci_dmi_nohandoff_table[] = { { /* Pegatron Lucid (ExoPC) */ .matches = { diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c index 79aa958..bdb9d70 100644 --- a/drivers/usb/host/ssb-hcd.c +++ b/drivers/usb/host/ssb-hcd.c @@ -248,7 +248,7 @@ static int ssb_hcd_resume(struct ssb_device *dev) #define ssb_hcd_resume NULL #endif /* CONFIG_PM */ -static const struct ssb_device_id ssb_hcd_table[] __devinitconst = { +static const struct ssb_device_id ssb_hcd_table[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV), -- cgit v1.1 From fb4e98ab63433c4d3a1588ea91c73f1cd7ebaa00 Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Mon, 19 Nov 2012 13:26:20 -0500 Subject: usb: remove use of __devexit CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton Cc: Peter Korsgaard Cc: Alexander Shishkin Acked-by: Felipe Balbi Cc: Li Yang Cc: Alan Stern Cc: Wan ZongShun Cc: Ben Dooks Cc: Kukjin Kim Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/bcma-hcd.c | 2 +- drivers/usb/host/ehci-atmel.c | 2 +- drivers/usb/host/ehci-msm.c | 2 +- drivers/usb/host/ehci-platform.c | 2 +- drivers/usb/host/ehci-s5p.c | 2 +- drivers/usb/host/ehci-w90x900.c | 2 +- drivers/usb/host/fhci-hcd.c | 4 ++-- drivers/usb/host/fsl-mph-dr-of.c | 4 ++-- drivers/usb/host/isp1362-hcd.c | 2 +- drivers/usb/host/isp1760-if.c | 2 +- drivers/usb/host/ohci-at91.c | 6 +++--- drivers/usb/host/ohci-exynos.c | 2 +- drivers/usb/host/ohci-jz4740.c | 2 +- drivers/usb/host/ohci-omap3.c | 2 +- drivers/usb/host/ohci-platform.c | 2 +- drivers/usb/host/ohci-s3c2410.c | 2 +- drivers/usb/host/ohci-tmio.c | 2 +- drivers/usb/host/r8a66597-hcd.c | 2 +- drivers/usb/host/sl811-hcd.c | 2 +- drivers/usb/host/ssb-hcd.c | 4 ++-- drivers/usb/host/u132-hcd.c | 2 +- 21 files changed, 26 insertions(+), 26 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 649780b..df13d42 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -265,7 +265,7 @@ err_free_usb_dev: return err; } -static void __devexit bcma_hcd_remove(struct bcma_device *dev) +static void bcma_hcd_remove(struct bcma_device *dev) { struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev); struct platform_device *ohci_dev = usb_dev->ohci_dev; diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 96bf00d..27639487 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -182,7 +182,7 @@ fail_create_hcd: return retval; } -static int __devexit ehci_atmel_drv_remove(struct platform_device *pdev) +static int ehci_atmel_drv_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index e0acfd5..88a49c8 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -173,7 +173,7 @@ put_hcd: return ret; } -static int __devexit ehci_msm_remove(struct platform_device *pdev) +static int ehci_msm_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 615cba0..58fa0c9 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -126,7 +126,7 @@ err_power: return err; } -static int __devexit ehci_platform_remove(struct platform_device *dev) +static int ehci_platform_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); struct usb_ehci_pdata *pdata = dev->dev.platform_data; diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 2cf19d1..319dcfa 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -189,7 +189,7 @@ fail_clk: return err; } -static int __devexit s5p_ehci_remove(struct platform_device *pdev) +static int s5p_ehci_remove(struct platform_device *pdev) { struct s5p_ehci_platdata *pdata = pdev->dev.platform_data; struct s5p_ehci_hcd *s5p_ehci = platform_get_drvdata(pdev); diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index bf8d462..59e0e24 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -155,7 +155,7 @@ static int ehci_w90x900_probe(struct platform_device *pdev) return usb_w90x900_probe(&ehci_w90x900_hc_driver, pdev); } -static int __devexit ehci_w90x900_remove(struct platform_device *pdev) +static int ehci_w90x900_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 618f143..0b4654259 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -780,7 +780,7 @@ err_regs: return ret; } -static int __devexit fhci_remove(struct device *dev) +static int fhci_remove(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); struct fhci_hcd *fhci = hcd_to_fhci(hcd); @@ -803,7 +803,7 @@ static int __devexit fhci_remove(struct device *dev) return 0; } -static int __devexit of_fhci_remove(struct platform_device *ofdev) +static int of_fhci_remove(struct platform_device *ofdev) { return fhci_remove(&ofdev->dev); } diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 5faf796..5105127 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -224,13 +224,13 @@ static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev) return 0; } -static int __devexit __unregister_subdev(struct device *dev, void *d) +static int __unregister_subdev(struct device *dev, void *d) { platform_device_unregister(to_platform_device(dev)); return 0; } -static int __devexit fsl_usb2_mph_dr_of_remove(struct platform_device *ofdev) +static int fsl_usb2_mph_dr_of_remove(struct platform_device *ofdev) { device_for_each_child(&ofdev->dev, NULL, __unregister_subdev); return 0; diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 5f8b63c..974480c 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -2645,7 +2645,7 @@ static struct hc_driver isp1362_hc_driver = { /*-------------------------------------------------------------------------*/ -static int __devexit isp1362_remove(struct platform_device *pdev) +static int isp1362_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); struct isp1362_hcd *isp1362_hcd = hcd_to_isp1362_hcd(hcd); diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c index d752a4c..bbb791b 100644 --- a/drivers/usb/host/isp1760-if.c +++ b/drivers/usb/host/isp1760-if.c @@ -413,7 +413,7 @@ out: return ret; } -static int __devexit isp1760_plat_remove(struct platform_device *pdev) +static int isp1760_plat_remove(struct platform_device *pdev) { struct resource *mem_res; resource_size_t mem_size; diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index ff94a74..221850a 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -94,7 +94,7 @@ static void at91_stop_hc(struct platform_device *pdev) /*-------------------------------------------------------------------------*/ -static void __devexit usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *); +static void usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *); /* configure so an HC device and id are always provided */ /* always called with process context; sleeping is OK */ @@ -203,7 +203,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, * context, "rmmod" or something similar. * */ -static void __devexit usb_hcd_at91_remove(struct usb_hcd *hcd, +static void usb_hcd_at91_remove(struct usb_hcd *hcd, struct platform_device *pdev) { usb_remove_hcd(hcd); @@ -641,7 +641,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev); } -static int __devexit ohci_hcd_at91_drv_remove(struct platform_device *pdev) +static int ohci_hcd_at91_drv_remove(struct platform_device *pdev) { struct at91_usbh_data *pdata = pdev->dev.platform_data; int i; diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 1288cdb..aa3b884 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -175,7 +175,7 @@ fail_clk: return err; } -static int __devexit exynos_ohci_remove(struct platform_device *pdev) +static int exynos_ohci_remove(struct platform_device *pdev) { struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data; struct exynos_ohci_hcd *exynos_ohci = platform_get_drvdata(pdev); diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c index 59feb87..8062bb9 100644 --- a/drivers/usb/host/ohci-jz4740.c +++ b/drivers/usb/host/ohci-jz4740.c @@ -239,7 +239,7 @@ err_free: return ret; } -static __devexit int jz4740_ohci_remove(struct platform_device *pdev) +static int jz4740_ohci_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); struct jz4740_ohci_hcd *jz4740_ohci = hcd_to_jz4740_hcd(hcd); diff --git a/drivers/usb/host/ohci-omap3.c b/drivers/usb/host/ohci-omap3.c index b2398aa..4382af3 100644 --- a/drivers/usb/host/ohci-omap3.c +++ b/drivers/usb/host/ohci-omap3.c @@ -209,7 +209,7 @@ err_io: * the HCD's stop() method. It is always called from a thread * context, normally "rmmod", "apmd", or something similar. */ -static int __devexit ohci_hcd_omap3_remove(struct platform_device *pdev) +static int ohci_hcd_omap3_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct usb_hcd *hcd = dev_get_drvdata(dev); diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index c3f76fa..084503b 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -149,7 +149,7 @@ err_power: return err; } -static int __devexit ohci_platform_remove(struct platform_device *dev) +static int ohci_platform_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); struct usb_ohci_pdata *pdata = dev->dev.platform_data; diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 4f29e0b..ad0f552 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -463,7 +463,7 @@ static int ohci_hcd_s3c2410_drv_probe(struct platform_device *pdev) return usb_hcd_s3c2410_probe(&ohci_s3c2410_hc_driver, pdev); } -static int __devexit ohci_hcd_s3c2410_drv_remove(struct platform_device *pdev) +static int ohci_hcd_s3c2410_drv_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 5996a3b..d370245 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -271,7 +271,7 @@ err_usb_create_hcd: return ret; } -static int __devexit ohci_hcd_tmio_drv_remove(struct platform_device *dev) +static int ohci_hcd_tmio_drv_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); struct tmio_hcd *tmio = hcd_to_tmio(hcd); diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index e97dfad..a6fd8f53 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2391,7 +2391,7 @@ static const struct dev_pm_ops r8a66597_dev_pm_ops = { #define R8A66597_DEV_PM_OPS NULL #endif -static int __devexit r8a66597_remove(struct platform_device *pdev) +static int r8a66597_remove(struct platform_device *pdev) { struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev); struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 782127d..d62f040 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1595,7 +1595,7 @@ static struct hc_driver sl811h_hc_driver = { /*-------------------------------------------------------------------------*/ -static int __devexit +static int sl811h_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c index bdb9d70..74af2c6 100644 --- a/drivers/usb/host/ssb-hcd.c +++ b/drivers/usb/host/ssb-hcd.c @@ -206,7 +206,7 @@ err_free_usb_dev: return err; } -static void __devexit ssb_hcd_remove(struct ssb_device *dev) +static void ssb_hcd_remove(struct ssb_device *dev) { struct ssb_hcd_device *usb_dev = ssb_get_drvdata(dev); struct platform_device *ohci_dev = usb_dev->ohci_dev; @@ -220,7 +220,7 @@ static void __devexit ssb_hcd_remove(struct ssb_device *dev) ssb_device_disable(dev, 0); } -static void __devexit ssb_hcd_shutdown(struct ssb_device *dev) +static void ssb_hcd_shutdown(struct ssb_device *dev) { ssb_device_disable(dev, 0); } diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 8bf78e6..5efdffe 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -2990,7 +2990,7 @@ static struct hc_driver u132_hc_driver = { * synchronously - but instead should immediately stop activity to the * device and asynchronously call usb_remove_hcd() */ -static int __devexit u132_remove(struct platform_device *pdev) +static int u132_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); if (hcd) { -- cgit v1.1 From 50ce5c0683aa83eb161624ea89daa5a9eee0c2ce Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 26 Nov 2012 12:36:21 -0500 Subject: USB: OHCI: workaround for hardware bug: retired TDs not added to the Done Queue This patch (as1636) is a partial workaround for a hardware bug affecting OHCI controllers by NVIDIA at least, maybe others too. When the controller retires a Transfer Descriptor, it is supposed to add the TD onto the Done Queue. But sometimes this doesn't happen, with the result that ohci-hcd never realizes the corresponding transfer has finished. Symptoms can vary; a typical result is that USB audio stops working after a while. The patch works around the problem by recognizing that TDs are always processed in order. Therefore, if a later TD is found on the Done Queue than all the earlier TDs for the same endpoint must be finished as well. Unfortunately this won't solve the problem in cases where the missing TD is the last one in the endpoint's queue. A complete fix would require a signficant amount of change to the driver. Signed-off-by: Alan Stern Tested-by: Oliver Neukum CC: Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-q.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 177a213..7482cfb 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -1128,6 +1128,25 @@ dl_done_list (struct ohci_hcd *ohci) while (td) { struct td *td_next = td->next_dl_td; + struct ed *ed = td->ed; + + /* + * Some OHCI controllers (NVIDIA for sure, maybe others) + * occasionally forget to add TDs to the done queue. Since + * TDs for a given endpoint are always processed in order, + * if we find a TD on the donelist then all of its + * predecessors must be finished as well. + */ + for (;;) { + struct td *td2; + + td2 = list_first_entry(&ed->td_list, struct td, + td_list); + if (td2 == td) + break; + takeback_td(ohci, td2); + } + takeback_td(ohci, td); td = td_next; } -- cgit v1.1 From bb1e5dd7113d2fd178d3af9aca8f480ae0468edf Mon Sep 17 00:00:00 2001 From: Russell Webb Date: Fri, 9 Nov 2012 13:58:49 -0800 Subject: xhci: Add Lynx Point LP to list of Intel switchable hosts Like Lynx Point, Lynx Point LP is also switchable. See 1c12443ab8eba71a658fae4572147e56d1f84f66 for more details. This patch should be backported to stable kernels as old as 3.0, that contain commit 69e848c2090aebba5698a1620604c7dccb448684 "Intel xhci: Support EHCI/xHCI port switching." Signed-off-by: Russell Webb Signed-off-by: Sarah Sharp Cc: stable@vger.kernel.org --- drivers/usb/host/ehci-pci.c | 3 ++- drivers/usb/host/pci-quirks.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 3fb76ca..dabb204 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -330,7 +330,8 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev) pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == 0x1E26 || pdev->device == 0x8C2D || - pdev->device == 0x8C26); + pdev->device == 0x8C26 || + pdev->device == 0x9C26); } static void ehci_enable_xhci_companion(void) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 15cfb06..a3b6d71 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -723,6 +723,7 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, } #define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31 +#define PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI 0x9C31 bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev) { @@ -736,7 +737,8 @@ bool usb_is_intel_lpt_switchable_xhci(struct pci_dev *pdev) { return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && pdev->vendor == PCI_VENDOR_ID_INTEL && - pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI; + (pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI); } bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) -- cgit v1.1