diff options
| author | Martin Fuzzey <mfuzzey@gmail.com> | 2010-10-01 00:20:42 +0200 | 
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-22 10:22:01 -0700 | 
| commit | fabbf2196d0db0b4d175456dcb373aa2440f5728 (patch) | |
| tree | b4dafe149903ed21d1874a575aafd89e786b42ba /drivers/usb/misc/usbtest.c | |
| parent | 80f0cf3947889014d3a3dc0ad60fb87cfda4b12a (diff) | |
| download | olio-linux-3.10-fabbf2196d0db0b4d175456dcb373aa2440f5728.tar.xz olio-linux-3.10-fabbf2196d0db0b4d175456dcb373aa2440f5728.zip  | |
USB: usbtest fix coding style
Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 665 | 
1 files changed, 341 insertions, 324 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index eef370eb7a5..bb078ebb8e8 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; @@ -1366,7 +1374,7 @@ static void iso_callback (struct urb *urb)  	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 +1396,13 @@ 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 +1418,7 @@ 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 +1426,30 @@ 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 +1465,11 @@ 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 +1477,14 @@ 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 +1493,27 @@ 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 +1534,8 @@ 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 +1565,10 @@ 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 +1577,7 @@ 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 +1603,9 @@ 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 +1622,7 @@ 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 +1637,14 @@ 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 +1652,14 @@ 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 +1667,15 @@ 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 +1683,15 @@ 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 +1702,15 @@ 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 +1720,15 @@ 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 +1737,15 @@ 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 +1754,15 @@ 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 +1772,7 @@ 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 +1787,7 @@ 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 +1798,7 @@ 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 +1811,7 @@ 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 +1826,7 @@ 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 +1852,8 @@ 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 +1865,17 @@ 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 +1888,22 @@ 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 +1911,7 @@ 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 +1938,9 @@ 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 +1952,18 @@ 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 +1972,10 @@ 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 +1988,23 @@ 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 +2013,24 @@ 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 +2067,9 @@ 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 +2126,56 @@ 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 +2189,7 @@ 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 +2203,22 @@ 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");  |