diff options
Diffstat (limited to 'drivers/usb/host')
31 files changed, 141 insertions, 24 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index dc55a62..13ead00 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -23,7 +23,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/sched.h> -#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/errno.h> #include <linux/init.h> @@ -35,6 +34,7 @@ #include <linux/moduleparam.h> #include <linux/dma-mapping.h> #include <linux/debugfs.h> +#include <linux/slab.h> #include "../core/hcd.h" @@ -543,6 +543,7 @@ static int ehci_init(struct usb_hcd *hcd) */ ehci->periodic_size = DEFAULT_I_TDPS; INIT_LIST_HEAD(&ehci->cached_itd_list); + INIT_LIST_HEAD(&ehci->cached_sitd_list); if ((retval = ehci_mem_init(ehci, GFP_KERNEL)) < 0) return retval; diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 1937267..c7178bc 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -801,7 +801,7 @@ static int ehci_hub_control ( * this bit; seems too long to spin routinely... */ retval = handshake(ehci, status_reg, - PORT_RESET, 0, 750); + PORT_RESET, 0, 1000); if (retval != 0) { ehci_err (ehci, "port %d reset error %d\n", wIndex + 1, retval); diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c index aeda96e..1f3f01e 100644 --- a/drivers/usb/host/ehci-mem.c +++ b/drivers/usb/host/ehci-mem.c @@ -136,7 +136,7 @@ static inline void qh_put (struct ehci_qh *qh) static void ehci_mem_cleanup (struct ehci_hcd *ehci) { - free_cached_itd_list(ehci); + free_cached_lists(ehci); if (ehci->async) qh_put (ehci->async); ehci->async = NULL; diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 23cd917..ead59f4 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -21,6 +21,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/usb/otg.h> +#include <linux/slab.h> #include <mach/mxc_ehci.h> diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index f0282d6..40a8583 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -37,6 +37,7 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/regulator/consumer.h> +#include <linux/slab.h> #include <plat/usb.h> /* @@ -628,11 +629,13 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) } snprintf(supply, sizeof(supply), "hsusb%d", i); omap->regulator[i] = regulator_get(omap->dev, supply); - if (IS_ERR(omap->regulator[i])) + if (IS_ERR(omap->regulator[i])) { + omap->regulator[i] = NULL; dev_dbg(&pdev->dev, "failed to get ehci port%d regulator\n", i); - else + } else { regulator_enable(omap->regulator[i]); + } } ret = omap_start_ehc(omap, hcd); diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index a0aaaaf..805ec63 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -510,7 +510,7 @@ static int disable_periodic (struct ehci_hcd *ehci) ehci_writel(ehci, cmd, &ehci->regs->command); /* posted write ... */ - free_cached_itd_list(ehci); + free_cached_lists(ehci); ehci->next_uframe = -1; return 0; @@ -2139,13 +2139,27 @@ sitd_complete ( (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out"); } iso_stream_put (ehci, stream); - /* OK to recycle this SITD now that its completion callback ran. */ + done: sitd->urb = NULL; - sitd->stream = NULL; - list_move(&sitd->sitd_list, &stream->free_list); - iso_stream_put(ehci, stream); - + if (ehci->clock_frame != sitd->frame) { + /* OK to recycle this SITD now. */ + sitd->stream = NULL; + list_move(&sitd->sitd_list, &stream->free_list); + iso_stream_put(ehci, stream); + } else { + /* HW might remember this SITD, so we can't recycle it yet. + * Move it to a safe place until a new frame starts. + */ + list_move(&sitd->sitd_list, &ehci->cached_sitd_list); + if (stream->refcount == 2) { + /* If iso_stream_put() were called here, stream + * would be freed. Instead, just prevent reuse. + */ + stream->ep->hcpriv = NULL; + stream->ep = NULL; + } + } return retval; } @@ -2211,9 +2225,10 @@ done: /*-------------------------------------------------------------------------*/ -static void free_cached_itd_list(struct ehci_hcd *ehci) +static void free_cached_lists(struct ehci_hcd *ehci) { struct ehci_itd *itd, *n; + struct ehci_sitd *sitd, *sn; list_for_each_entry_safe(itd, n, &ehci->cached_itd_list, itd_list) { struct ehci_iso_stream *stream = itd->stream; @@ -2221,6 +2236,13 @@ static void free_cached_itd_list(struct ehci_hcd *ehci) list_move(&itd->itd_list, &stream->free_list); iso_stream_put(ehci, stream); } + + list_for_each_entry_safe(sitd, sn, &ehci->cached_sitd_list, sitd_list) { + struct ehci_iso_stream *stream = sitd->stream; + sitd->stream = NULL; + list_move(&sitd->sitd_list, &stream->free_list); + iso_stream_put(ehci, stream); + } } /*-------------------------------------------------------------------------*/ @@ -2247,7 +2269,7 @@ scan_periodic (struct ehci_hcd *ehci) clock_frame = -1; } if (ehci->clock_frame != clock_frame) { - free_cached_itd_list(ehci); + free_cached_lists(ehci); ehci->clock_frame = clock_frame; } clock %= mod; @@ -2414,7 +2436,7 @@ restart: clock = now; clock_frame = clock >> 3; if (ehci->clock_frame != clock_frame) { - free_cached_itd_list(ehci); + free_cached_lists(ehci); ehci->clock_frame = clock_frame; } } else { diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index b1dce96..556c0b4 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -87,8 +87,9 @@ struct ehci_hcd { /* one per controller */ int next_uframe; /* scan periodic, start here */ unsigned periodic_sched; /* periodic activity count */ - /* list of itds completed while clock_frame was still active */ + /* list of itds & sitds completed while clock_frame was still active */ struct list_head cached_itd_list; + struct list_head cached_sitd_list; unsigned clock_frame; /* per root hub port */ @@ -195,7 +196,7 @@ timer_action_done (struct ehci_hcd *ehci, enum ehci_timer_action action) clear_bit (action, &ehci->actions); } -static void free_cached_itd_list(struct ehci_hcd *ehci); +static void free_cached_lists(struct ehci_hcd *ehci); /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 5dcfb3d..15379c6 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -27,6 +27,7 @@ #include <linux/usb.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> +#include <linux/slab.h> #include <asm/qe.h> #include <asm/fsl_gtm.h> #include "../core/hcd.h" diff --git a/drivers/usb/host/fhci-mem.c b/drivers/usb/host/fhci-mem.c index 2c0736c..5591bfb 100644 --- a/drivers/usb/host/fhci-mem.c +++ b/drivers/usb/host/fhci-mem.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/delay.h> +#include <linux/slab.h> #include <linux/list.h> #include <linux/usb.h> #include "../core/hcd.h" diff --git a/drivers/usb/host/fhci-q.c b/drivers/usb/host/fhci-q.c index b0a1446..f73c923 100644 --- a/drivers/usb/host/fhci-q.c +++ b/drivers/usb/host/fhci-q.c @@ -19,6 +19,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/errno.h> +#include <linux/slab.h> #include <linux/list.h> #include <linux/usb.h> #include "../core/hcd.h" diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c index e123289..5701347 100644 --- a/drivers/usb/host/fhci-tds.c +++ b/drivers/usb/host/fhci-tds.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/slab.h> #include <linux/list.h> #include <linux/io.h> #include <linux/usb.h> diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index 88b0321..35742f8 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -55,6 +55,7 @@ */ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/workqueue.h> #include <linux/wait.h> diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 213e270..8a12f29 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -54,6 +54,7 @@ #include <linux/kernel.h> #include <linux/list.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/usb.h> #include "../core/hcd.h" diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index a2b3054..92de71d 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -62,6 +62,7 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/list.h> +#include <linux/slab.h> #include <linux/usb.h> #include <linux/usb/isp116x.h> #include <linux/platform_device.h> diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 68b83ab..944291e 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -331,6 +331,8 @@ ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg) */ if (at91_suspend_entering_slow_clock()) { ohci_usb_reset (ohci); + /* flush the writes */ + (void) ohci_readl (ohci, &ohci->regs->control); at91_stop_clock(); } diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c index 4aa08d3..d22fb4d 100644 --- a/drivers/usb/host/ohci-da8xx.c +++ b/drivers/usb/host/ohci-da8xx.c @@ -23,7 +23,7 @@ #error "This file is DA8xx bus glue. Define CONFIG_ARCH_DAVINCI_DA8XX." #endif -#define CFGCHIP2 DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG) +#define CFGCHIP2 DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG) static struct clk *usb11_clk; static struct clk *usb20_clk; diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 32bbce9..65cac8c 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -697,7 +697,7 @@ static int ohci_hub_control ( u16 wLength ) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); - int ports = hcd_to_bus (hcd)->root_hub->maxchild; + int ports = ohci->num_ports; u32 temp; int retval = 0; diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 35288bc..83094d0 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -8,6 +8,7 @@ */ #include <linux/irq.h> +#include <linux/slab.h> static void urb_free_priv (struct ohci_hcd *hc, urb_priv_t *urb_priv) { diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index 50f57f4..e62b30b 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -660,13 +660,13 @@ static struct ehci_qh *oxu_qh_alloc(struct oxu_hcd *oxu) if (qh->dummy == NULL) { oxu_dbg(oxu, "no dummy td\n"); oxu->qh_used[i] = 0; - - return NULL; + qh = NULL; + goto unlock; } oxu->qh_used[i] = 1; } - +unlock: spin_unlock(&oxu->mem_lock); return qh; diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index f71a73a..d478ffa 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -37,6 +37,7 @@ #include <linux/io.h> #include <linux/mm.h> #include <linux/irq.h> +#include <linux/slab.h> #include <asm/cacheflush.h> #include "../core/hcd.h" diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index e11cc3a..3b867a8 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -720,10 +720,10 @@ retry: /* port status seems weird until after reset, so * force the reset and make khubd clean up later. */ - if (sl811->stat_insrmv & 1) - sl811->port1 |= 1 << USB_PORT_FEAT_CONNECTION; - else + if (irqstat & SL11H_INTMASK_RD) sl811->port1 &= ~(1 << USB_PORT_FEAT_CONNECTION); + else + sl811->port1 |= 1 << USB_PORT_FEAT_CONNECTION; sl811->port1 |= 1 << USB_PORT_FEAT_C_CONNECTION; diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index e52b954..98cf0b2 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -9,6 +9,7 @@ * (C) Copyright 1999-2001 Johannes Erdfelt */ +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/debugfs.h> #include <linux/smp_lock.h> diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c index 562eba1..7732493 100644 --- a/drivers/usb/host/whci/asl.c +++ b/drivers/usb/host/whci/asl.c @@ -16,6 +16,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/dma-mapping.h> #include <linux/uwb/umc.h> #include <linux/usb.h> diff --git a/drivers/usb/host/whci/debug.c b/drivers/usb/host/whci/debug.c index 8c1c610..c5305b5 100644 --- a/drivers/usb/host/whci/debug.c +++ b/drivers/usb/host/whci/debug.c @@ -15,6 +15,7 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/debugfs.h> #include <linux/seq_file.h> diff --git a/drivers/usb/host/whci/init.c b/drivers/usb/host/whci/init.c index 34a783c..f7582e8 100644 --- a/drivers/usb/host/whci/init.c +++ b/drivers/usb/host/whci/init.c @@ -16,6 +16,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/dma-mapping.h> #include <linux/uwb/umc.h> diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c index 0db3fb2..33c5580 100644 --- a/drivers/usb/host/whci/pzl.c +++ b/drivers/usb/host/whci/pzl.c @@ -16,6 +16,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/dma-mapping.h> #include <linux/uwb/umc.h> #include <linux/usb.h> diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index 7d4204d..141d049 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -17,6 +17,7 @@ */ #include <linux/kernel.h> #include <linux/dma-mapping.h> +#include <linux/slab.h> #include <linux/uwb/umc.h> #include <linux/usb.h> diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index bba9b19..d64f572 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -22,6 +22,7 @@ #include <linux/usb.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/dmapool.h> #include "xhci.h" @@ -581,6 +582,19 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev, return EP_INTERVAL(interval); } +/* The "Mult" field in the endpoint context is only set for SuperSpeed devices. + * High speed endpoint descriptors can define "the number of additional + * transaction opportunities per microframe", but that goes in the Max Burst + * endpoint context field. + */ +static inline u32 xhci_get_endpoint_mult(struct usb_device *udev, + struct usb_host_endpoint *ep) +{ + if (udev->speed != USB_SPEED_SUPER || !ep->ss_ep_comp) + return 0; + return ep->ss_ep_comp->desc.bmAttributes; +} + static inline u32 xhci_get_endpoint_type(struct usb_device *udev, struct usb_host_endpoint *ep) { @@ -611,6 +625,36 @@ static inline u32 xhci_get_endpoint_type(struct usb_device *udev, return type; } +/* Return the maximum endpoint service interval time (ESIT) payload. + * Basically, this is the maxpacket size, multiplied by the burst size + * and mult size. + */ +static inline u32 xhci_get_max_esit_payload(struct xhci_hcd *xhci, + struct usb_device *udev, + struct usb_host_endpoint *ep) +{ + int max_burst; + int max_packet; + + /* Only applies for interrupt or isochronous endpoints */ + if (usb_endpoint_xfer_control(&ep->desc) || + usb_endpoint_xfer_bulk(&ep->desc)) + return 0; + + if (udev->speed == USB_SPEED_SUPER) { + if (ep->ss_ep_comp) + return ep->ss_ep_comp->desc.wBytesPerInterval; + xhci_warn(xhci, "WARN no SS endpoint companion descriptor.\n"); + /* Assume no bursts, no multiple opportunities to send. */ + return ep->desc.wMaxPacketSize; + } + + max_packet = ep->desc.wMaxPacketSize & 0x3ff; + max_burst = (ep->desc.wMaxPacketSize & 0x1800) >> 11; + /* A 0 in max burst means 1 transfer per ESIT */ + return max_packet * (max_burst + 1); +} + int xhci_endpoint_init(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, struct usb_device *udev, @@ -622,6 +666,7 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, struct xhci_ring *ep_ring; unsigned int max_packet; unsigned int max_burst; + u32 max_esit_payload; ep_index = xhci_get_endpoint_index(&ep->desc); ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); @@ -643,6 +688,7 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, ep_ctx->deq = ep_ring->first_seg->dma | ep_ring->cycle_state; ep_ctx->ep_info = xhci_get_endpoint_interval(udev, ep); + ep_ctx->ep_info |= EP_MULT(xhci_get_endpoint_mult(udev, ep)); /* FIXME dig Mult and streams info out of ep companion desc */ @@ -688,6 +734,26 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, default: BUG(); } + max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep); + ep_ctx->tx_info = MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload); + + /* + * XXX no idea how to calculate the average TRB buffer length for bulk + * endpoints, as the driver gives us no clue how big each scatter gather + * list entry (or buffer) is going to be. + * + * For isochronous and interrupt endpoints, we set it to the max + * available, until we have new API in the USB core to allow drivers to + * declare how much bandwidth they actually need. + * + * Normally, it would be calculated by taking the total of the buffer + * lengths in the TD and then dividing by the number of TRBs in a TD, + * including link TRBs, No-op TRBs, and Event data TRBs. Since we don't + * use Event Data TRBs, and we don't chain in a link TRB on short + * transfers, we're basically dividing by 1. + */ + ep_ctx->tx_info |= AVG_TRB_LENGTH_FOR_EP(max_esit_payload); + /* FIXME Debug endpoint context */ return 0; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 6ba841b..85d7e8f 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -65,6 +65,7 @@ */ #include <linux/scatterlist.h> +#include <linux/slab.h> #include "xhci.h" /* diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 492a61c..7e42772 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -23,6 +23,7 @@ #include <linux/irq.h> #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/slab.h> #include "xhci.h" diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index e5eb09b..ea389e9 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -609,6 +609,10 @@ struct xhci_ep_ctx { #define MAX_PACKET_MASK (0xffff << 16) #define MAX_PACKET_DECODED(p) (((p) >> 16) & 0xffff) +/* tx_info bitmasks */ +#define AVG_TRB_LENGTH_FOR_EP(p) ((p) & 0xffff) +#define MAX_ESIT_PAYLOAD_FOR_EP(p) (((p) & 0xffff) << 16) + /** * struct xhci_input_control_context |
