diff options
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 667 |
1 files changed, 343 insertions, 324 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index eef370e..a35b427 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -13,17 +13,16 @@ /*-------------------------------------------------------------------------*/ -// FIXME make these public somewhere; usbdevfs.h? -// +/* FIXME make these public somewhere; usbdevfs.h? */ struct usbtest_param { - // inputs + /* inputs */ unsigned test_num; /* 0..(TEST_CASES-1) */ unsigned iterations; unsigned length; unsigned vary; unsigned sglen; - // outputs + /* outputs */ struct timeval duration; }; #define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) @@ -45,9 +44,9 @@ struct usbtest_info { const char *name; u8 ep_in; /* bulk/intr source */ u8 ep_out; /* bulk/intr sink */ - unsigned autoconf : 1; - unsigned ctrl_out : 1; - unsigned iso : 1; /* try iso in/out */ + unsigned autoconf:1; + unsigned ctrl_out:1; + unsigned iso:1; /* try iso in/out */ int alt; }; @@ -71,9 +70,9 @@ struct usbtest_dev { u8 *buf; }; -static struct usb_device *testdev_to_usbdev (struct usbtest_dev *test) +static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test) { - return interface_to_usbdev (test->intf); + return interface_to_usbdev(test->intf); } /* set up all urbs so they can be used with either bulk or interrupt */ @@ -87,7 +86,7 @@ static struct usb_device *testdev_to_usbdev (struct usbtest_dev *test) /*-------------------------------------------------------------------------*/ static int -get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) +get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) { int tmp; struct usb_host_interface *alt; @@ -115,7 +114,7 @@ get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) case USB_ENDPOINT_XFER_ISOC: if (dev->info->iso) goto try_iso; - // FALLTHROUGH + /* FALLTHROUGH */ default: continue; } @@ -142,9 +141,9 @@ try_iso: return -EINVAL; found: - udev = testdev_to_usbdev (dev); + udev = testdev_to_usbdev(dev); if (alt->desc.bAlternateSetting != 0) { - tmp = usb_set_interface (udev, + tmp = usb_set_interface(udev, alt->desc.bInterfaceNumber, alt->desc.bAlternateSetting); if (tmp < 0) @@ -152,21 +151,21 @@ found: } if (in) { - dev->in_pipe = usb_rcvbulkpipe (udev, + dev->in_pipe = usb_rcvbulkpipe(udev, in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); - dev->out_pipe = usb_sndbulkpipe (udev, + dev->out_pipe = usb_sndbulkpipe(udev, out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); } if (iso_in) { dev->iso_in = &iso_in->desc; - dev->in_iso_pipe = usb_rcvisocpipe (udev, + dev->in_iso_pipe = usb_rcvisocpipe(udev, iso_in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); } if (iso_out) { dev->iso_out = &iso_out->desc; - dev->out_iso_pipe = usb_sndisocpipe (udev, + dev->out_iso_pipe = usb_sndisocpipe(udev, iso_out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); } @@ -182,12 +181,12 @@ found: * them with non-zero test data (or test for it) when appropriate. */ -static void simple_callback (struct urb *urb) +static void simple_callback(struct urb *urb) { complete(urb->context); } -static struct urb *simple_alloc_urb ( +static struct urb *simple_alloc_urb( struct usb_device *udev, int pipe, unsigned long bytes @@ -195,32 +194,32 @@ static struct urb *simple_alloc_urb ( { struct urb *urb; - urb = usb_alloc_urb (0, GFP_KERNEL); + urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) return urb; - usb_fill_bulk_urb (urb, udev, pipe, NULL, bytes, simple_callback, NULL); + usb_fill_bulk_urb(urb, udev, pipe, NULL, bytes, simple_callback, NULL); urb->interval = (udev->speed == USB_SPEED_HIGH) ? (INTERRUPT_RATE << 3) : INTERRUPT_RATE; urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; - if (usb_pipein (pipe)) + if (usb_pipein(pipe)) urb->transfer_flags |= URB_SHORT_NOT_OK; - urb->transfer_buffer = usb_alloc_coherent (udev, bytes, GFP_KERNEL, + urb->transfer_buffer = usb_alloc_coherent(udev, bytes, GFP_KERNEL, &urb->transfer_dma); if (!urb->transfer_buffer) { - usb_free_urb (urb); + usb_free_urb(urb); urb = NULL; } else - memset (urb->transfer_buffer, 0, bytes); + memset(urb->transfer_buffer, 0, bytes); return urb; } -static unsigned pattern = 0; +static unsigned pattern; static unsigned mod_pattern; module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); -static inline void simple_fill_buf (struct urb *urb) +static inline void simple_fill_buf(struct urb *urb) { unsigned i; u8 *buf = urb->transfer_buffer; @@ -228,9 +227,9 @@ static inline void simple_fill_buf (struct urb *urb) switch (pattern) { default: - // FALLTHROUGH + /* FALLTHROUGH */ case 0: - memset (buf, 0, len); + memset(buf, 0, len); break; case 1: /* mod63 */ for (i = 0; i < len; i++) @@ -273,14 +272,14 @@ static inline int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) return 0; } -static void simple_free_urb (struct urb *urb) +static void simple_free_urb(struct urb *urb) { usb_free_coherent(urb->dev, urb->transfer_buffer_length, urb->transfer_buffer, urb->transfer_dma); - usb_free_urb (urb); + usb_free_urb(urb); } -static int simple_io ( +static int simple_io( struct usbtest_dev *tdev, struct urb *urb, int iterations, @@ -296,17 +295,18 @@ static int simple_io ( urb->context = &completion; while (retval == 0 && iterations-- > 0) { - init_completion (&completion); - if (usb_pipeout (urb->pipe)) - simple_fill_buf (urb); - if ((retval = usb_submit_urb (urb, GFP_KERNEL)) != 0) + init_completion(&completion); + if (usb_pipeout(urb->pipe)) + simple_fill_buf(urb); + retval = usb_submit_urb(urb, GFP_KERNEL); + if (retval != 0) break; /* NOTE: no timeouts; can't be broken out of by interrupt */ - wait_for_completion (&completion); + wait_for_completion(&completion); retval = urb->status; urb->dev = udev; - if (retval == 0 && usb_pipein (urb->pipe)) + if (retval == 0 && usb_pipein(urb->pipe)) retval = simple_check_buf(tdev, urb); if (vary) { @@ -337,7 +337,7 @@ static int simple_io ( * Yes, this also tests the scatterlist primitives. */ -static void free_sglist (struct scatterlist *sg, int nents) +static void free_sglist(struct scatterlist *sg, int nents) { unsigned i; @@ -346,19 +346,19 @@ static void free_sglist (struct scatterlist *sg, int nents) for (i = 0; i < nents; i++) { if (!sg_page(&sg[i])) continue; - kfree (sg_virt(&sg[i])); + kfree(sg_virt(&sg[i])); } - kfree (sg); + kfree(sg); } static struct scatterlist * -alloc_sglist (int nents, int max, int vary) +alloc_sglist(int nents, int max, int vary) { struct scatterlist *sg; unsigned i; unsigned size = max; - sg = kmalloc (nents * sizeof *sg, GFP_KERNEL); + sg = kmalloc(nents * sizeof *sg, GFP_KERNEL); if (!sg) return NULL; sg_init_table(sg, nents); @@ -367,9 +367,9 @@ alloc_sglist (int nents, int max, int vary) char *buf; unsigned j; - buf = kzalloc (size, GFP_KERNEL); + buf = kzalloc(size, GFP_KERNEL); if (!buf) { - free_sglist (sg, i); + free_sglist(sg, i); return NULL; } @@ -397,7 +397,7 @@ alloc_sglist (int nents, int max, int vary) return sg; } -static int perform_sglist ( +static int perform_sglist( struct usbtest_dev *tdev, unsigned iterations, int pipe, @@ -410,7 +410,7 @@ static int perform_sglist ( int retval = 0; while (retval == 0 && iterations-- > 0) { - retval = usb_sg_init (req, udev, pipe, + retval = usb_sg_init(req, udev, pipe, (udev->speed == USB_SPEED_HIGH) ? (INTERRUPT_RATE << 3) : INTERRUPT_RATE, @@ -418,7 +418,7 @@ static int perform_sglist ( if (retval) break; - usb_sg_wait (req); + usb_sg_wait(req); retval = req->status; /* FIXME check resulting data pattern */ @@ -426,9 +426,9 @@ static int perform_sglist ( /* FIXME if endpoint halted, clear halt (and log) */ } - // FIXME for unlink or fault handling tests, don't report - // failure if retval is as we expected ... - + /* FIXME for unlink or fault handling tests, don't report + * failure if retval is as we expected ... + */ if (retval) ERROR(tdev, "perform_sglist failed, " "iterations left %d, status %d\n", @@ -452,31 +452,31 @@ static int perform_sglist ( */ static unsigned realworld = 1; -module_param (realworld, uint, 0); -MODULE_PARM_DESC (realworld, "clear to demand stricter spec compliance"); +module_param(realworld, uint, 0); +MODULE_PARM_DESC(realworld, "clear to demand stricter spec compliance"); -static int get_altsetting (struct usbtest_dev *dev) +static int get_altsetting(struct usbtest_dev *dev) { struct usb_interface *iface = dev->intf; - struct usb_device *udev = interface_to_usbdev (iface); + struct usb_device *udev = interface_to_usbdev(iface); int retval; - retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), + retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, - 0, iface->altsetting [0].desc.bInterfaceNumber, + 0, iface->altsetting[0].desc.bInterfaceNumber, dev->buf, 1, USB_CTRL_GET_TIMEOUT); switch (retval) { case 1: - return dev->buf [0]; + return dev->buf[0]; case 0: retval = -ERANGE; - // FALLTHROUGH + /* FALLTHROUGH */ default: return retval; } } -static int set_altsetting (struct usbtest_dev *dev, int alternate) +static int set_altsetting(struct usbtest_dev *dev, int alternate) { struct usb_interface *iface = dev->intf; struct usb_device *udev; @@ -484,9 +484,9 @@ static int set_altsetting (struct usbtest_dev *dev, int alternate) if (alternate < 0 || alternate >= 256) return -EINVAL; - udev = interface_to_usbdev (iface); - return usb_set_interface (udev, - iface->altsetting [0].desc.bInterfaceNumber, + udev = interface_to_usbdev(iface); + return usb_set_interface(udev, + iface->altsetting[0].desc.bInterfaceNumber, alternate); } @@ -519,9 +519,9 @@ static int is_good_config(struct usbtest_dev *tdev, int len) return 0; } - if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ + if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ return 1; - if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ + if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ return 1; ERROR(tdev, "bogus config descriptor read size\n"); return 0; @@ -542,10 +542,10 @@ static int is_good_config(struct usbtest_dev *tdev, int len) * to see if usbcore, hcd, and device all behave right. such testing would * involve varied read sizes and other operation sequences. */ -static int ch9_postconfig (struct usbtest_dev *dev) +static int ch9_postconfig(struct usbtest_dev *dev) { struct usb_interface *iface = dev->intf; - struct usb_device *udev = interface_to_usbdev (iface); + struct usb_device *udev = interface_to_usbdev(iface); int i, alt, retval; /* [9.2.3] if there's more than one altsetting, we need to be able to @@ -554,7 +554,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) for (i = 0; i < iface->num_altsetting; i++) { /* 9.2.3 constrains the range here */ - alt = iface->altsetting [i].desc.bAlternateSetting; + alt = iface->altsetting[i].desc.bAlternateSetting; if (alt < 0 || alt >= iface->num_altsetting) { dev_err(&iface->dev, "invalid alt [%d].bAltSetting = %d\n", @@ -566,7 +566,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) continue; /* [9.4.10] set_interface */ - retval = set_altsetting (dev, alt); + retval = set_altsetting(dev, alt); if (retval) { dev_err(&iface->dev, "can't set_interface = %d, %d\n", alt, retval); @@ -574,7 +574,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) } /* [9.4.4] get_interface always works */ - retval = get_altsetting (dev); + retval = get_altsetting(dev); if (retval != alt) { dev_err(&iface->dev, "get alt should be %d, was %d\n", alt, retval); @@ -591,11 +591,11 @@ static int ch9_postconfig (struct usbtest_dev *dev) * ... although some cheap devices (like one TI Hub I've got) * won't return config descriptors except before set_config. */ - retval = usb_control_msg (udev, usb_rcvctrlpipe (udev, 0), + retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), USB_REQ_GET_CONFIGURATION, USB_DIR_IN | USB_RECIP_DEVICE, 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); - if (retval != 1 || dev->buf [0] != expected) { + if (retval != 1 || dev->buf[0] != expected) { dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", retval, dev->buf[0], expected); return (retval < 0) ? retval : -EDOM; @@ -603,7 +603,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) } /* there's always [9.4.3] a device descriptor [9.6.1] */ - retval = usb_get_descriptor (udev, USB_DT_DEVICE, 0, + retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0, dev->buf, sizeof udev->descriptor); if (retval != sizeof udev->descriptor) { dev_err(&iface->dev, "dev descriptor --> %d\n", retval); @@ -612,7 +612,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) /* there's always [9.4.3] at least one config descriptor [9.6.3] */ for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { - retval = usb_get_descriptor (udev, USB_DT_CONFIG, i, + retval = usb_get_descriptor(udev, USB_DT_CONFIG, i, dev->buf, TBUF_SIZE); if (!is_good_config(dev, retval)) { dev_err(&iface->dev, @@ -621,18 +621,19 @@ static int ch9_postconfig (struct usbtest_dev *dev) return (retval < 0) ? retval : -EDOM; } - // FIXME cross-checking udev->config[i] to make sure usbcore - // parsed it right (etc) would be good testing paranoia + /* FIXME cross-checking udev->config[i] to make sure usbcore + * parsed it right (etc) would be good testing paranoia + */ } /* and sometimes [9.2.6.6] speed dependent descriptors */ if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { - struct usb_qualifier_descriptor *d = NULL; + struct usb_qualifier_descriptor *d = NULL; /* device qualifier [9.6.2] */ - retval = usb_get_descriptor (udev, + retval = usb_get_descriptor(udev, USB_DT_DEVICE_QUALIFIER, 0, dev->buf, - sizeof (struct usb_qualifier_descriptor)); + sizeof(struct usb_qualifier_descriptor)); if (retval == -EPIPE) { if (udev->speed == USB_SPEED_HIGH) { dev_err(&iface->dev, @@ -641,7 +642,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) return (retval < 0) ? retval : -EDOM; } /* usb2.0 but not high-speed capable; fine */ - } else if (retval != sizeof (struct usb_qualifier_descriptor)) { + } else if (retval != sizeof(struct usb_qualifier_descriptor)) { dev_err(&iface->dev, "dev qualifier --> %d\n", retval); return (retval < 0) ? retval : -EDOM; } else @@ -651,7 +652,7 @@ static int ch9_postconfig (struct usbtest_dev *dev) if (d) { unsigned max = d->bNumConfigurations; for (i = 0; i < max; i++) { - retval = usb_get_descriptor (udev, + retval = usb_get_descriptor(udev, USB_DT_OTHER_SPEED_CONFIG, i, dev->buf, TBUF_SIZE); if (!is_good_config(dev, retval)) { @@ -663,25 +664,26 @@ static int ch9_postconfig (struct usbtest_dev *dev) } } } - // FIXME fetch strings from at least the device descriptor + /* FIXME fetch strings from at least the device descriptor */ /* [9.4.5] get_status always works */ - retval = usb_get_status (udev, USB_RECIP_DEVICE, 0, dev->buf); + retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); if (retval != 2) { dev_err(&iface->dev, "get dev status --> %d\n", retval); return (retval < 0) ? retval : -EDOM; } - // FIXME configuration.bmAttributes says if we could try to set/clear - // the device's remote wakeup feature ... if we can, test that here + /* FIXME configuration.bmAttributes says if we could try to set/clear + * the device's remote wakeup feature ... if we can, test that here + */ - retval = usb_get_status (udev, USB_RECIP_INTERFACE, - iface->altsetting [0].desc.bInterfaceNumber, dev->buf); + retval = usb_get_status(udev, USB_RECIP_INTERFACE, + iface->altsetting[0].desc.bInterfaceNumber, dev->buf); if (retval != 2) { dev_err(&iface->dev, "get interface status --> %d\n", retval); return (retval < 0) ? retval : -EDOM; } - // FIXME get status for each endpoint in the interface + /* FIXME get status for each endpoint in the interface */ return 0; } @@ -717,7 +719,7 @@ struct subcase { int expected; }; -static void ctrl_complete (struct urb *urb) +static void ctrl_complete(struct urb *urb) { struct ctrl_ctx *ctx = urb->context; struct usb_ctrlrequest *reqp; @@ -725,9 +727,9 @@ static void ctrl_complete (struct urb *urb) int status = urb->status; reqp = (struct usb_ctrlrequest *)urb->setup_packet; - subcase = container_of (reqp, struct subcase, setup); + subcase = container_of(reqp, struct subcase, setup); - spin_lock (&ctx->lock); + spin_lock(&ctx->lock); ctx->count--; ctx->pending--; @@ -787,14 +789,14 @@ error: /* unlink whatever's still pending */ for (i = 1; i < ctx->param->sglen; i++) { - struct urb *u = ctx->urb [ - (i + subcase->number) - % ctx->param->sglen]; + struct urb *u = ctx->urb[ + (i + subcase->number) + % ctx->param->sglen]; if (u == urb || !u->dev) continue; spin_unlock(&ctx->lock); - status = usb_unlink_urb (u); + status = usb_unlink_urb(u); spin_lock(&ctx->lock); switch (status) { case -EINPROGRESS: @@ -812,7 +814,8 @@ error: /* resubmit if we need to, else mark this as done */ if ((status == 0) && (ctx->pending < ctx->count)) { - if ((status = usb_submit_urb (urb, GFP_ATOMIC)) != 0) { + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status != 0) { ERROR(ctx->dev, "can't resubmit ctrl %02x.%02x, err %d\n", reqp->bRequestType, reqp->bRequest, status); @@ -824,21 +827,21 @@ error: /* signal completion when nothing's queued */ if (ctx->pending == 0) - complete (&ctx->complete); - spin_unlock (&ctx->lock); + complete(&ctx->complete); + spin_unlock(&ctx->lock); } static int -test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) +test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param) { - struct usb_device *udev = testdev_to_usbdev (dev); + struct usb_device *udev = testdev_to_usbdev(dev); struct urb **urb; struct ctrl_ctx context; int i; - spin_lock_init (&context.lock); + spin_lock_init(&context.lock); context.dev = dev; - init_completion (&context.complete); + init_completion(&context.complete); context.count = param->sglen * param->iterations; context.pending = 0; context.status = -ENOMEM; @@ -853,7 +856,7 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) if (!urb) return -ENOMEM; for (i = 0; i < param->sglen; i++) { - int pipe = usb_rcvctrlpipe (udev, 0); + int pipe = usb_rcvctrlpipe(udev, 0); unsigned len; struct urb *u; struct usb_ctrlrequest req; @@ -869,104 +872,108 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) * device, but some are chosen to trigger protocol stalls * or short reads. */ - memset (&req, 0, sizeof req); + memset(&req, 0, sizeof req); req.bRequest = USB_REQ_GET_DESCRIPTOR; req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; switch (i % NUM_SUBCASES) { - case 0: // get device descriptor - req.wValue = cpu_to_le16 (USB_DT_DEVICE << 8); - len = sizeof (struct usb_device_descriptor); + case 0: /* get device descriptor */ + req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); + len = sizeof(struct usb_device_descriptor); break; - case 1: // get first config descriptor (only) - req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); - len = sizeof (struct usb_config_descriptor); + case 1: /* get first config descriptor (only) */ + req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); + len = sizeof(struct usb_config_descriptor); break; - case 2: // get altsetting (OFTEN STALLS) + case 2: /* get altsetting (OFTEN STALLS) */ req.bRequest = USB_REQ_GET_INTERFACE; req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; - // index = 0 means first interface + /* index = 0 means first interface */ len = 1; expected = EPIPE; break; - case 3: // get interface status + case 3: /* get interface status */ req.bRequest = USB_REQ_GET_STATUS; req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; - // interface 0 + /* interface 0 */ len = 2; break; - case 4: // get device status + case 4: /* get device status */ req.bRequest = USB_REQ_GET_STATUS; req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; len = 2; break; - case 5: // get device qualifier (MAY STALL) + case 5: /* get device qualifier (MAY STALL) */ req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); - len = sizeof (struct usb_qualifier_descriptor); + len = sizeof(struct usb_qualifier_descriptor); if (udev->speed != USB_SPEED_HIGH) expected = EPIPE; break; - case 6: // get first config descriptor, plus interface - req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); - len = sizeof (struct usb_config_descriptor); - len += sizeof (struct usb_interface_descriptor); + case 6: /* get first config descriptor, plus interface */ + req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); + len = sizeof(struct usb_config_descriptor); + len += sizeof(struct usb_interface_descriptor); break; - case 7: // get interface descriptor (ALWAYS STALLS) + case 7: /* get interface descriptor (ALWAYS STALLS) */ req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); - // interface == 0 - len = sizeof (struct usb_interface_descriptor); + /* interface == 0 */ + len = sizeof(struct usb_interface_descriptor); expected = -EPIPE; break; - // NOTE: two consecutive stalls in the queue here. - // that tests fault recovery a bit more aggressively. - case 8: // clear endpoint halt (MAY STALL) + /* NOTE: two consecutive stalls in the queue here. + * that tests fault recovery a bit more aggressively. */ + case 8: /* clear endpoint halt (MAY STALL) */ req.bRequest = USB_REQ_CLEAR_FEATURE; req.bRequestType = USB_RECIP_ENDPOINT; - // wValue 0 == ep halt - // wIndex 0 == ep0 (shouldn't halt!) + /* wValue 0 == ep halt */ + /* wIndex 0 == ep0 (shouldn't halt!) */ len = 0; - pipe = usb_sndctrlpipe (udev, 0); + pipe = usb_sndctrlpipe(udev, 0); expected = EPIPE; break; - case 9: // get endpoint status + case 9: /* get endpoint status */ req.bRequest = USB_REQ_GET_STATUS; req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; - // endpoint 0 + /* endpoint 0 */ len = 2; break; - case 10: // trigger short read (EREMOTEIO) - req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); + case 10: /* trigger short read (EREMOTEIO) */ + req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); len = 1024; expected = -EREMOTEIO; break; - // NOTE: two consecutive _different_ faults in the queue. - case 11: // get endpoint descriptor (ALWAYS STALLS) - req.wValue = cpu_to_le16 (USB_DT_ENDPOINT << 8); - // endpoint == 0 - len = sizeof (struct usb_interface_descriptor); + /* NOTE: two consecutive _different_ faults in the queue. */ + case 11: /* get endpoint descriptor (ALWAYS STALLS) */ + req.wValue = cpu_to_le16(USB_DT_ENDPOINT << 8); + /* endpoint == 0 */ + len = sizeof(struct usb_interface_descriptor); expected = EPIPE; break; - // NOTE: sometimes even a third fault in the queue! - case 12: // get string 0 descriptor (MAY STALL) - req.wValue = cpu_to_le16 (USB_DT_STRING << 8); - // string == 0, for language IDs - len = sizeof (struct usb_interface_descriptor); - // may succeed when > 4 languages - expected = EREMOTEIO; // or EPIPE, if no strings + /* NOTE: sometimes even a third fault in the queue! */ + case 12: /* get string 0 descriptor (MAY STALL) */ + req.wValue = cpu_to_le16(USB_DT_STRING << 8); + /* string == 0, for language IDs */ + len = sizeof(struct usb_interface_descriptor); + /* may succeed when > 4 languages */ + expected = EREMOTEIO; /* or EPIPE, if no strings */ break; - case 13: // short read, resembling case 10 - req.wValue = cpu_to_le16 ((USB_DT_CONFIG << 8) | 0); - // last data packet "should" be DATA1, not DATA0 + case 13: /* short read, resembling case 10 */ + req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); + /* last data packet "should" be DATA1, not DATA0 */ len = 1024 - udev->descriptor.bMaxPacketSize0; expected = -EREMOTEIO; break; - case 14: // short read; try to fill the last packet - req.wValue = cpu_to_le16 ((USB_DT_DEVICE << 8) | 0); + case 14: /* short read; try to fill the last packet */ + req.wValue = cpu_to_le16((USB_DT_DEVICE << 8) | 0); /* device descriptor size == 18 bytes */ len = udev->descriptor.bMaxPacketSize0; switch (len) { - case 8: len = 24; break; - case 16: len = 32; break; + case 8: + len = 24; + break; + case 16: + len = 32; + break; } expected = -EREMOTEIO; break; @@ -975,8 +982,8 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) context.status = -EINVAL; goto cleanup; } - req.wLength = cpu_to_le16 (len); - urb [i] = u = simple_alloc_urb (udev, pipe, len); + req.wLength = cpu_to_le16(len); + urb[i] = u = simple_alloc_urb(udev, pipe, len); if (!u) goto cleanup; @@ -994,9 +1001,9 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) /* queue the urbs */ context.urb = urb; - spin_lock_irq (&context.lock); + spin_lock_irq(&context.lock); for (i = 0; i < param->sglen; i++) { - context.status = usb_submit_urb (urb [i], GFP_ATOMIC); + context.status = usb_submit_urb(urb[i], GFP_ATOMIC); if (context.status != 0) { ERROR(dev, "can't submit urb[%d], status %d\n", i, context.status); @@ -1005,23 +1012,23 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) } context.pending++; } - spin_unlock_irq (&context.lock); + spin_unlock_irq(&context.lock); /* FIXME set timer and time out; provide a disconnect hook */ /* wait for the last one to complete */ if (context.pending > 0) - wait_for_completion (&context.complete); + wait_for_completion(&context.complete); cleanup: for (i = 0; i < param->sglen; i++) { - if (!urb [i]) + if (!urb[i]) continue; - urb [i]->dev = udev; + urb[i]->dev = udev; kfree(urb[i]->setup_packet); - simple_free_urb (urb [i]); + simple_free_urb(urb[i]); } - kfree (urb); + kfree(urb); return context.status; } #undef NUM_SUBCASES @@ -1029,27 +1036,27 @@ cleanup: /*-------------------------------------------------------------------------*/ -static void unlink1_callback (struct urb *urb) +static void unlink1_callback(struct urb *urb) { int status = urb->status; - // we "know" -EPIPE (stall) never happens + /* we "know" -EPIPE (stall) never happens */ if (!status) - status = usb_submit_urb (urb, GFP_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { urb->status = status; complete(urb->context); } } -static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) +static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) { struct urb *urb; struct completion completion; int retval = 0; - init_completion (&completion); - urb = simple_alloc_urb (testdev_to_usbdev (dev), pipe, size); + init_completion(&completion); + urb = simple_alloc_urb(testdev_to_usbdev(dev), pipe, size); if (!urb) return -ENOMEM; urb->context = &completion; @@ -1061,7 +1068,8 @@ static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) * FIXME want additional tests for when endpoint is STALLing * due to errors, or is just NAKing requests. */ - if ((retval = usb_submit_urb (urb, GFP_KERNEL)) != 0) { + retval = usb_submit_urb(urb, GFP_KERNEL); + if (retval != 0) { dev_err(&dev->intf->dev, "submit fail %d\n", retval); return retval; } @@ -1069,7 +1077,7 @@ static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) /* unlinking that should always work. variable delay tests more * hcd states and code paths, even with little other system load. */ - msleep (jiffies % (2 * INTERRUPT_RATE)); + msleep(jiffies % (2 * INTERRUPT_RATE)); if (async) { while (!completion_done(&completion)) { retval = usb_unlink_urb(urb); @@ -1098,11 +1106,11 @@ static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) break; } } else - usb_kill_urb (urb); + usb_kill_urb(urb); - wait_for_completion (&completion); + wait_for_completion(&completion); retval = urb->status; - simple_free_urb (urb); + simple_free_urb(urb); if (async) return (retval == -ECONNRESET) ? 0 : retval - 1000; @@ -1111,14 +1119,14 @@ static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) 0 : retval - 2000; } -static int unlink_simple (struct usbtest_dev *dev, int pipe, int len) +static int unlink_simple(struct usbtest_dev *dev, int pipe, int len) { int retval = 0; /* test sync and async paths */ - retval = unlink1 (dev, pipe, len, 1); + retval = unlink1(dev, pipe, len, 1); if (!retval) - retval = unlink1 (dev, pipe, len, 0); + retval = unlink1(dev, pipe, len, 0); return retval; } @@ -1130,7 +1138,7 @@ static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) u16 status; /* shouldn't look or act halted */ - retval = usb_get_status (urb->dev, USB_RECIP_ENDPOINT, ep, &status); + retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); if (retval < 0) { ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", ep, retval); @@ -1152,7 +1160,7 @@ static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) u16 status; /* should look and act halted */ - retval = usb_get_status (urb->dev, USB_RECIP_ENDPOINT, ep, &status); + retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); if (retval < 0) { ERROR(tdev, "ep %02x couldn't get halt status, %d\n", ep, retval); @@ -1182,7 +1190,7 @@ static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) return retval; /* set halt (protocol test only), verify it worked */ - retval = usb_control_msg (urb->dev, usb_sndctrlpipe (urb->dev, 0), + retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0), USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, USB_ENDPOINT_HALT, ep, NULL, 0, USB_CTRL_SET_TIMEOUT); @@ -1195,7 +1203,7 @@ static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) return retval; /* clear halt (tests API + protocol), verify it worked */ - retval = usb_clear_halt (urb->dev, urb->pipe); + retval = usb_clear_halt(urb->dev, urb->pipe); if (retval < 0) { ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); return retval; @@ -1209,18 +1217,18 @@ static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) return 0; } -static int halt_simple (struct usbtest_dev *dev) +static int halt_simple(struct usbtest_dev *dev) { int ep; int retval = 0; struct urb *urb; - urb = simple_alloc_urb (testdev_to_usbdev (dev), 0, 512); + urb = simple_alloc_urb(testdev_to_usbdev(dev), 0, 512); if (urb == NULL) return -ENOMEM; if (dev->in_pipe) { - ep = usb_pipeendpoint (dev->in_pipe) | USB_DIR_IN; + ep = usb_pipeendpoint(dev->in_pipe) | USB_DIR_IN; urb->pipe = dev->in_pipe; retval = test_halt(dev, ep, urb); if (retval < 0) @@ -1228,12 +1236,12 @@ static int halt_simple (struct usbtest_dev *dev) } if (dev->out_pipe) { - ep = usb_pipeendpoint (dev->out_pipe); + ep = usb_pipeendpoint(dev->out_pipe); urb->pipe = dev->out_pipe; retval = test_halt(dev, ep, urb); } done: - simple_free_urb (urb); + simple_free_urb(urb); return retval; } @@ -1247,7 +1255,7 @@ done: * need to be able to handle more than one OUT data packet. We'll * try whatever we're told to try. */ -static int ctrl_out (struct usbtest_dev *dev, +static int ctrl_out(struct usbtest_dev *dev, unsigned count, unsigned length, unsigned vary) { unsigned i, j, len; @@ -1263,7 +1271,7 @@ static int ctrl_out (struct usbtest_dev *dev, if (!buf) return -ENOMEM; - udev = testdev_to_usbdev (dev); + udev = testdev_to_usbdev(dev); len = length; retval = 0; @@ -1273,8 +1281,8 @@ static int ctrl_out (struct usbtest_dev *dev, for (i = 0; i < count; i++) { /* write patterned data */ for (j = 0; j < len; j++) - buf [j] = i + j; - retval = usb_control_msg (udev, usb_sndctrlpipe (udev,0), + buf[j] = i + j; + retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); if (retval != len) { @@ -1288,7 +1296,7 @@ static int ctrl_out (struct usbtest_dev *dev, } /* read it back -- assuming nothing intervened!! */ - retval = usb_control_msg (udev, usb_rcvctrlpipe (udev,0), + retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); if (retval != len) { @@ -1303,9 +1311,9 @@ static int ctrl_out (struct usbtest_dev *dev, /* fail if we can't verify */ for (j = 0; j < len; j++) { - if (buf [j] != (u8) (i + j)) { + if (buf[j] != (u8) (i + j)) { ERROR(dev, "ctrl_out, byte %d is %d not %d\n", - j, buf [j], (u8) i + j); + j, buf[j], (u8) i + j); retval = -EBADMSG; break; } @@ -1326,10 +1334,10 @@ static int ctrl_out (struct usbtest_dev *dev, } if (retval < 0) - ERROR (dev, "ctrl_out %s failed, code %d, count %d\n", + ERROR(dev, "ctrl_out %s failed, code %d, count %d\n", what, retval, i); - kfree (buf); + kfree(buf); return retval; } @@ -1351,7 +1359,7 @@ struct iso_context { struct usbtest_dev *dev; }; -static void iso_callback (struct urb *urb) +static void iso_callback(struct urb *urb) { struct iso_context *ctx = urb->context; @@ -1363,10 +1371,12 @@ static void iso_callback (struct urb *urb) ctx->errors += urb->error_count; else if (urb->status != 0) ctx->errors += urb->number_of_packets; + else if (urb->actual_length != urb->transfer_buffer_length) + ctx->errors++; if (urb->status == 0 && ctx->count > (ctx->pending - 1) && !ctx->submit_error) { - int status = usb_submit_urb (urb, GFP_ATOMIC); + int status = usb_submit_urb(urb, GFP_ATOMIC); switch (status) { case 0: goto done; @@ -1388,13 +1398,13 @@ static void iso_callback (struct urb *urb) dev_err(&ctx->dev->intf->dev, "iso test, %lu errors out of %lu\n", ctx->errors, ctx->packet_count); - complete (&ctx->done); + complete(&ctx->done); } done: spin_unlock(&ctx->lock); } -static struct urb *iso_alloc_urb ( +static struct urb *iso_alloc_urb( struct usb_device *udev, int pipe, struct usb_endpoint_descriptor *desc, @@ -1410,7 +1420,7 @@ static struct urb *iso_alloc_urb ( maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11)); packets = DIV_ROUND_UP(bytes, maxp); - urb = usb_alloc_urb (packets, GFP_KERNEL); + urb = usb_alloc_urb(packets, GFP_KERNEL); if (!urb) return urb; urb->dev = udev; @@ -1418,30 +1428,30 @@ static struct urb *iso_alloc_urb ( urb->number_of_packets = packets; urb->transfer_buffer_length = bytes; - urb->transfer_buffer = usb_alloc_coherent (udev, bytes, GFP_KERNEL, + urb->transfer_buffer = usb_alloc_coherent(udev, bytes, GFP_KERNEL, &urb->transfer_dma); if (!urb->transfer_buffer) { - usb_free_urb (urb); + usb_free_urb(urb); return NULL; } - memset (urb->transfer_buffer, 0, bytes); + memset(urb->transfer_buffer, 0, bytes); for (i = 0; i < packets; i++) { /* here, only the last packet will be short */ - urb->iso_frame_desc[i].length = min ((unsigned) bytes, maxp); + urb->iso_frame_desc[i].length = min((unsigned) bytes, maxp); bytes -= urb->iso_frame_desc[i].length; urb->iso_frame_desc[i].offset = maxp * i; } urb->complete = iso_callback; - // urb->context = SET BY CALLER + /* urb->context = SET BY CALLER */ urb->interval = 1 << (desc->bInterval - 1); urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; return urb; } static int -test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, +test_iso_queue(struct usbtest_dev *dev, struct usbtest_param *param, int pipe, struct usb_endpoint_descriptor *desc) { struct iso_context context; @@ -1457,11 +1467,11 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, memset(&context, 0, sizeof context); context.count = param->iterations * param->sglen; context.dev = dev; - init_completion (&context.done); - spin_lock_init (&context.lock); + init_completion(&context.done); + spin_lock_init(&context.lock); - memset (urbs, 0, sizeof urbs); - udev = testdev_to_usbdev (dev); + memset(urbs, 0, sizeof urbs); + udev = testdev_to_usbdev(dev); dev_info(&dev->intf->dev, "... iso period %d %sframes, wMaxPacket %04x\n", 1 << (desc->bInterval - 1), @@ -1469,14 +1479,14 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, le16_to_cpu(desc->wMaxPacketSize)); for (i = 0; i < param->sglen; i++) { - urbs [i] = iso_alloc_urb (udev, pipe, desc, + urbs[i] = iso_alloc_urb(udev, pipe, desc, param->length); - if (!urbs [i]) { + if (!urbs[i]) { status = -ENOMEM; goto fail; } packets += urbs[i]->number_of_packets; - urbs [i]->context = &context; + urbs[i]->context = &context; } packets *= param->iterations; dev_info(&dev->intf->dev, @@ -1485,27 +1495,27 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), packets); - spin_lock_irq (&context.lock); + spin_lock_irq(&context.lock); for (i = 0; i < param->sglen; i++) { ++context.pending; - status = usb_submit_urb (urbs [i], GFP_ATOMIC); + status = usb_submit_urb(urbs[i], GFP_ATOMIC); if (status < 0) { - ERROR (dev, "submit iso[%d], error %d\n", i, status); + ERROR(dev, "submit iso[%d], error %d\n", i, status); if (i == 0) { - spin_unlock_irq (&context.lock); + spin_unlock_irq(&context.lock); goto fail; } - simple_free_urb (urbs [i]); + simple_free_urb(urbs[i]); urbs[i] = NULL; context.pending--; context.submit_error = 1; break; } } - spin_unlock_irq (&context.lock); + spin_unlock_irq(&context.lock); - wait_for_completion (&context.done); + wait_for_completion(&context.done); for (i = 0; i < param->sglen; i++) { if (urbs[i]) @@ -1526,8 +1536,8 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, fail: for (i = 0; i < param->sglen; i++) { - if (urbs [i]) - simple_free_urb (urbs [i]); + if (urbs[i]) + simple_free_urb(urbs[i]); } return status; } @@ -1557,10 +1567,10 @@ fail: /* No BKL needed */ static int -usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) +usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) { - struct usbtest_dev *dev = usb_get_intfdata (intf); - struct usb_device *udev = testdev_to_usbdev (dev); + struct usbtest_dev *dev = usb_get_intfdata(intf); + struct usb_device *udev = testdev_to_usbdev(dev); struct usbtest_param *param = buf; int retval = -EOPNOTSUPP; struct urb *urb; @@ -1569,7 +1579,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) struct timeval start; unsigned i; - // FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. + /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */ pattern = mod_pattern; @@ -1595,9 +1605,9 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) mutex_unlock(&dev->lock); return -ENODEV; } - res = set_altsetting (dev, dev->info->alt); + res = set_altsetting(dev, dev->info->alt); if (res) { - dev_err (&intf->dev, + dev_err(&intf->dev, "set altsetting to %d failed, %d\n", dev->info->alt, res); mutex_unlock(&dev->lock); @@ -1614,7 +1624,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) * FIXME add more tests! cancel requests, verify the data, control * queueing, concurrent read+write threads, and so on. */ - do_gettimeofday (&start); + do_gettimeofday(&start); switch (param->test_num) { case 0: @@ -1629,14 +1639,14 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 1: write %d bytes %u times\n", param->length, param->iterations); - urb = simple_alloc_urb (udev, dev->out_pipe, param->length); + urb = simple_alloc_urb(udev, dev->out_pipe, param->length); if (!urb) { retval = -ENOMEM; break; } - // FIRMWARE: bulk sink (maybe accepts short writes) + /* FIRMWARE: bulk sink (maybe accepts short writes) */ retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); - simple_free_urb (urb); + simple_free_urb(urb); break; case 2: if (dev->in_pipe == 0) @@ -1644,14 +1654,14 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 2: read %d bytes %u times\n", param->length, param->iterations); - urb = simple_alloc_urb (udev, dev->in_pipe, param->length); + urb = simple_alloc_urb(udev, dev->in_pipe, param->length); if (!urb) { retval = -ENOMEM; break; } - // FIRMWARE: bulk source (maybe generates short writes) + /* FIRMWARE: bulk source (maybe generates short writes) */ retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); - simple_free_urb (urb); + simple_free_urb(urb); break; case 3: if (dev->out_pipe == 0 || param->vary == 0) @@ -1659,15 +1669,15 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 3: write/%d 0..%d bytes %u times\n", param->vary, param->length, param->iterations); - urb = simple_alloc_urb (udev, dev->out_pipe, param->length); + urb = simple_alloc_urb(udev, dev->out_pipe, param->length); if (!urb) { retval = -ENOMEM; break; } - // FIRMWARE: bulk sink (maybe accepts short writes) + /* FIRMWARE: bulk sink (maybe accepts short writes) */ retval = simple_io(dev, urb, param->iterations, param->vary, 0, "test3"); - simple_free_urb (urb); + simple_free_urb(urb); break; case 4: if (dev->in_pipe == 0 || param->vary == 0) @@ -1675,15 +1685,15 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 4: read/%d 0..%d bytes %u times\n", param->vary, param->length, param->iterations); - urb = simple_alloc_urb (udev, dev->in_pipe, param->length); + urb = simple_alloc_urb(udev, dev->in_pipe, param->length); if (!urb) { retval = -ENOMEM; break; } - // FIRMWARE: bulk source (maybe generates short writes) + /* FIRMWARE: bulk source (maybe generates short writes) */ retval = simple_io(dev, urb, param->iterations, param->vary, 0, "test4"); - simple_free_urb (urb); + simple_free_urb(urb); break; /* Queued bulk I/O tests */ @@ -1694,15 +1704,15 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 5: write %d sglists %d entries of %d bytes\n", param->iterations, param->sglen, param->length); - sg = alloc_sglist (param->sglen, param->length, 0); + sg = alloc_sglist(param->sglen, param->length, 0); if (!sg) { retval = -ENOMEM; break; } - // FIRMWARE: bulk sink (maybe accepts short writes) + /* FIRMWARE: bulk sink (maybe accepts short writes) */ retval = perform_sglist(dev, param->iterations, dev->out_pipe, &req, sg, param->sglen); - free_sglist (sg, param->sglen); + free_sglist(sg, param->sglen); break; case 6: @@ -1712,15 +1722,15 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 6: read %d sglists %d entries of %d bytes\n", param->iterations, param->sglen, param->length); - sg = alloc_sglist (param->sglen, param->length, 0); + sg = alloc_sglist(param->sglen, param->length, 0); if (!sg) { retval = -ENOMEM; break; } - // FIRMWARE: bulk source (maybe generates short writes) + /* FIRMWARE: bulk source (maybe generates short writes) */ retval = perform_sglist(dev, param->iterations, dev->in_pipe, &req, sg, param->sglen); - free_sglist (sg, param->sglen); + free_sglist(sg, param->sglen); break; case 7: if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) @@ -1729,15 +1739,15 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", param->vary, param->iterations, param->sglen, param->length); - sg = alloc_sglist (param->sglen, param->length, param->vary); + sg = alloc_sglist(param->sglen, param->length, param->vary); if (!sg) { retval = -ENOMEM; break; } - // FIRMWARE: bulk sink (maybe accepts short writes) + /* FIRMWARE: bulk sink (maybe accepts short writes) */ retval = perform_sglist(dev, param->iterations, dev->out_pipe, &req, sg, param->sglen); - free_sglist (sg, param->sglen); + free_sglist(sg, param->sglen); break; case 8: if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) @@ -1746,15 +1756,15 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", param->vary, param->iterations, param->sglen, param->length); - sg = alloc_sglist (param->sglen, param->length, param->vary); + sg = alloc_sglist(param->sglen, param->length, param->vary); if (!sg) { retval = -ENOMEM; break; } - // FIRMWARE: bulk source (maybe generates short writes) + /* FIRMWARE: bulk source (maybe generates short writes) */ retval = perform_sglist(dev, param->iterations, dev->in_pipe, &req, sg, param->sglen); - free_sglist (sg, param->sglen); + free_sglist(sg, param->sglen); break; /* non-queued sanity tests for control (chapter 9 subset) */ @@ -1764,7 +1774,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 9: ch9 (subset) control tests, %d times\n", param->iterations); for (i = param->iterations; retval == 0 && i--; /* NOP */) - retval = ch9_postconfig (dev); + retval = ch9_postconfig(dev); if (retval) dev_err(&intf->dev, "ch9 subset failed, " "iterations left %d\n", i); @@ -1779,7 +1789,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 10: queue %d control calls, %d times\n", param->sglen, param->iterations); - retval = test_ctrl_queue (dev, param); + retval = test_ctrl_queue(dev, param); break; /* simple non-queued unlinks (ring with one urb) */ @@ -1790,7 +1800,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", param->iterations, param->length); for (i = param->iterations; retval == 0 && i--; /* NOP */) - retval = unlink_simple (dev, dev->in_pipe, + retval = unlink_simple(dev, dev->in_pipe, param->length); if (retval) dev_err(&intf->dev, "unlink reads failed %d, " @@ -1803,7 +1813,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", param->iterations, param->length); for (i = param->iterations; retval == 0 && i--; /* NOP */) - retval = unlink_simple (dev, dev->out_pipe, + retval = unlink_simple(dev, dev->out_pipe, param->length); if (retval) dev_err(&intf->dev, "unlink writes failed %d, " @@ -1818,7 +1828,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", param->iterations); for (i = param->iterations; retval == 0 && i--; /* NOP */) - retval = halt_simple (dev); + retval = halt_simple(dev); if (retval) ERROR(dev, "halts failed, iterations left %d\n", i); @@ -1844,8 +1854,8 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 15: write %d iso, %d entries of %d bytes\n", param->iterations, param->sglen, param->length); - // FIRMWARE: iso sink - retval = test_iso_queue (dev, param, + /* FIRMWARE: iso sink */ + retval = test_iso_queue(dev, param, dev->out_iso_pipe, dev->iso_out); break; @@ -1857,17 +1867,17 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) "TEST 16: read %d iso, %d entries of %d bytes\n", param->iterations, param->sglen, param->length); - // FIRMWARE: iso source - retval = test_iso_queue (dev, param, + /* FIRMWARE: iso source */ + retval = test_iso_queue(dev, param, dev->in_iso_pipe, dev->iso_in); break; - // FIXME unlink from queue (ring with N urbs) + /* FIXME unlink from queue (ring with N urbs) */ - // FIXME scatterlist cancel (needs helper thread) + /* FIXME scatterlist cancel (needs helper thread) */ } - do_gettimeofday (¶m->duration); + do_gettimeofday(¶m->duration); param->duration.tv_sec -= start.tv_sec; param->duration.tv_usec -= start.tv_usec; if (param->duration.tv_usec < 0) { @@ -1880,22 +1890,22 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) /*-------------------------------------------------------------------------*/ -static unsigned force_interrupt = 0; -module_param (force_interrupt, uint, 0); -MODULE_PARM_DESC (force_interrupt, "0 = test default; else interrupt"); +static unsigned force_interrupt; +module_param(force_interrupt, uint, 0); +MODULE_PARM_DESC(force_interrupt, "0 = test default; else interrupt"); #ifdef GENERIC static unsigned short vendor; module_param(vendor, ushort, 0); -MODULE_PARM_DESC (vendor, "vendor code (from usb-if)"); +MODULE_PARM_DESC(vendor, "vendor code (from usb-if)"); static unsigned short product; module_param(product, ushort, 0); -MODULE_PARM_DESC (product, "product code (from vendor)"); +MODULE_PARM_DESC(product, "product code (from vendor)"); #endif static int -usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) +usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev; struct usbtest_dev *dev; @@ -1903,7 +1913,7 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) char *rtest, *wtest; char *irtest, *iwtest; - udev = interface_to_usbdev (intf); + udev = interface_to_usbdev(intf); #ifdef GENERIC /* specify devices by module parameters? */ @@ -1930,8 +1940,9 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) dev->intf = intf; /* cacheline-aligned scratch for i/o */ - if ((dev->buf = kmalloc (TBUF_SIZE, GFP_KERNEL)) == NULL) { - kfree (dev); + dev->buf = kmalloc(TBUF_SIZE, GFP_KERNEL); + if (dev->buf == NULL) { + kfree(dev); return -ENOMEM; } @@ -1943,18 +1954,18 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) irtest = iwtest = ""; if (force_interrupt || udev->speed == USB_SPEED_LOW) { if (info->ep_in) { - dev->in_pipe = usb_rcvintpipe (udev, info->ep_in); + dev->in_pipe = usb_rcvintpipe(udev, info->ep_in); rtest = " intr-in"; } if (info->ep_out) { - dev->out_pipe = usb_sndintpipe (udev, info->ep_out); + dev->out_pipe = usb_sndintpipe(udev, info->ep_out); wtest = " intr-out"; } } else { if (info->autoconf) { int status; - status = get_endpoints (dev, intf); + status = get_endpoints(dev, intf); if (status < 0) { WARNING(dev, "couldn't get endpoints, %d\n", status); @@ -1963,10 +1974,10 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) /* may find bulk or ISO pipes */ } else { if (info->ep_in) - dev->in_pipe = usb_rcvbulkpipe (udev, + dev->in_pipe = usb_rcvbulkpipe(udev, info->ep_in); if (info->ep_out) - dev->out_pipe = usb_sndbulkpipe (udev, + dev->out_pipe = usb_sndbulkpipe(udev, info->ep_out); } if (dev->in_pipe) @@ -1979,15 +1990,23 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) iwtest = " iso-out"; } - usb_set_intfdata (intf, dev); - dev_info (&intf->dev, "%s\n", info->name); - dev_info (&intf->dev, "%s speed {control%s%s%s%s%s} tests%s\n", + usb_set_intfdata(intf, dev); + dev_info(&intf->dev, "%s\n", info->name); + dev_info(&intf->dev, "%s speed {control%s%s%s%s%s} tests%s\n", ({ char *tmp; switch (udev->speed) { - case USB_SPEED_LOW: tmp = "low"; break; - case USB_SPEED_FULL: tmp = "full"; break; - case USB_SPEED_HIGH: tmp = "high"; break; - default: tmp = "unknown"; break; + case USB_SPEED_LOW: + tmp = "low"; + break; + case USB_SPEED_FULL: + tmp = "full"; + break; + case USB_SPEED_HIGH: + tmp = "high"; + break; + default: + tmp = "unknown"; + break; }; tmp; }), info->ctrl_out ? " in/out" : "", rtest, wtest, @@ -1996,24 +2015,24 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) return 0; } -static int usbtest_suspend (struct usb_interface *intf, pm_message_t message) +static int usbtest_suspend(struct usb_interface *intf, pm_message_t message) { return 0; } -static int usbtest_resume (struct usb_interface *intf) +static int usbtest_resume(struct usb_interface *intf) { return 0; } -static void usbtest_disconnect (struct usb_interface *intf) +static void usbtest_disconnect(struct usb_interface *intf) { - struct usbtest_dev *dev = usb_get_intfdata (intf); + struct usbtest_dev *dev = usb_get_intfdata(intf); - usb_set_intfdata (intf, NULL); - dev_dbg (&intf->dev, "disconnect\n"); - kfree (dev); + usb_set_intfdata(intf, NULL); + dev_dbg(&intf->dev, "disconnect\n"); + kfree(dev); } /* Basic testing only needs a device that can source or sink bulk traffic. @@ -2050,9 +2069,9 @@ static struct usbtest_info fw_info = { .ep_in = 2, .ep_out = 2, .alt = 1, - .autoconf = 1, // iso and ctrl_out need autoconf + .autoconf = 1, /* iso and ctrl_out need autoconf */ .ctrl_out = 1, - .iso = 1, // iso_ep's are #8 in/out + .iso = 1, /* iso_ep's are #8 in/out */ }; /* peripheral running Linux and 'zero.c' test firmware, or @@ -2109,56 +2128,56 @@ static const struct usb_device_id id_table[] = { */ /* generic EZ-USB FX controller */ - { USB_DEVICE (0x0547, 0x2235), + { USB_DEVICE(0x0547, 0x2235), .driver_info = (unsigned long) &ez1_info, - }, + }, /* CY3671 development board with EZ-USB FX */ - { USB_DEVICE (0x0547, 0x0080), + { USB_DEVICE(0x0547, 0x0080), .driver_info = (unsigned long) &ez1_info, - }, + }, /* generic EZ-USB FX2 controller (or development board) */ - { USB_DEVICE (0x04b4, 0x8613), + { USB_DEVICE(0x04b4, 0x8613), .driver_info = (unsigned long) &ez2_info, - }, + }, /* re-enumerated usb test device firmware */ - { USB_DEVICE (0xfff0, 0xfff0), + { USB_DEVICE(0xfff0, 0xfff0), .driver_info = (unsigned long) &fw_info, - }, + }, /* "Gadget Zero" firmware runs under Linux */ - { USB_DEVICE (0x0525, 0xa4a0), + { USB_DEVICE(0x0525, 0xa4a0), .driver_info = (unsigned long) &gz_info, - }, + }, /* so does a user-mode variant */ - { USB_DEVICE (0x0525, 0xa4a4), + { USB_DEVICE(0x0525, 0xa4a4), .driver_info = (unsigned long) &um_info, - }, + }, /* ... and a user-mode variant that talks iso */ - { USB_DEVICE (0x0525, 0xa4a3), + { USB_DEVICE(0x0525, 0xa4a3), .driver_info = (unsigned long) &um2_info, - }, + }, #ifdef KEYSPAN_19Qi /* Keyspan 19qi uses an21xx (original EZ-USB) */ - // this does not coexist with the real Keyspan 19qi driver! - { USB_DEVICE (0x06cd, 0x010b), + /* this does not coexist with the real Keyspan 19qi driver! */ + { USB_DEVICE(0x06cd, 0x010b), .driver_info = (unsigned long) &ez1_info, - }, + }, #endif /*-------------------------------------------------------------*/ #ifdef IBOT2 /* iBOT2 makes a nice source of high speed bulk-in data */ - // this does not coexist with a real iBOT2 driver! - { USB_DEVICE (0x0b62, 0x0059), + /* this does not coexist with a real iBOT2 driver! */ + { USB_DEVICE(0x0b62, 0x0059), .driver_info = (unsigned long) &ibot2_info, - }, + }, #endif /*-------------------------------------------------------------*/ @@ -2172,7 +2191,7 @@ static const struct usb_device_id id_table[] = { { } }; -MODULE_DEVICE_TABLE (usb, id_table); +MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver usbtest_driver = { .name = "usbtest", @@ -2186,22 +2205,22 @@ static struct usb_driver usbtest_driver = { /*-------------------------------------------------------------------------*/ -static int __init usbtest_init (void) +static int __init usbtest_init(void) { #ifdef GENERIC if (vendor) pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); #endif - return usb_register (&usbtest_driver); + return usb_register(&usbtest_driver); } -module_init (usbtest_init); +module_init(usbtest_init); -static void __exit usbtest_exit (void) +static void __exit usbtest_exit(void) { - usb_deregister (&usbtest_driver); + usb_deregister(&usbtest_driver); } -module_exit (usbtest_exit); +module_exit(usbtest_exit); -MODULE_DESCRIPTION ("USB Core/HCD Testing Driver"); -MODULE_LICENSE ("GPL"); +MODULE_DESCRIPTION("USB Core/HCD Testing Driver"); +MODULE_LICENSE("GPL"); |
