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USB: usbtmc: Use usb_clear_halt() instead of custom code. 

Make the USB Test & Measurement driver use usb_clear_halt() instead of
usb_control_msg() to clear a stalled endpoint.  This will allow devices to
be tested under an xHCI host controller.  The endpoint stall will not be
cleared in the internal xHCI hardware state unless usb_clear_halt() is
used.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Steve Holland <sdh4@iastate.edu>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: Jouni Ryno <Jouni.Ryno@fmi.fi>
Cc: Gergely Imreh <imrehg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sarah Sharp 2009-12-03 11:35:59 -08:00 committed by Greg Kroah-Hartman
parent 36d0344c25
commit 3342ecda3f
1 changed files with 8 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/usb/class/usbtmc.c
View File

@ -347,13 +347,8 @@ usbtmc_abort_bulk_out_check_status:
goto exit;
usbtmc_abort_bulk_out_clear_halt:
rv = usb_control_msg(data->usb_dev,
usb_sndctrlpipe(data->usb_dev, 0),
USB_REQ_CLEAR_FEATURE,
USB_DIR_OUT | USB_TYPE_STANDARD |
USB_RECIP_ENDPOINT,
USB_ENDPOINT_HALT, data->bulk_out, buffer,
0, USBTMC_TIMEOUT);
rv = usb_clear_halt(data->usb_dev,
usb_sndbulkpipe(data->usb_dev, data->bulk_out));
if (rv < 0) {
dev_err(dev, "usb_control_msg returned %d\n", rv);
@ -708,14 +703,8 @@ usbtmc_clear_check_status:
usbtmc_clear_bulk_out_halt:
rv = usb_control_msg(data->usb_dev,
usb_sndctrlpipe(data->usb_dev, 0),
USB_REQ_CLEAR_FEATURE,
USB_DIR_OUT | USB_TYPE_STANDARD |
USB_RECIP_ENDPOINT,
USB_ENDPOINT_HALT,
data->bulk_out, buffer, 0,
USBTMC_TIMEOUT);
rv = usb_clear_halt(data->usb_dev,
usb_sndbulkpipe(data->usb_dev, data->bulk_out));
if (rv < 0) {
dev_err(dev, "usb_control_msg returned %d\n", rv);
goto exit;
@ -736,13 +725,8 @@ static int usbtmc_ioctl_clear_out_halt(struct usbtmc_device_data *data)
if (!buffer)
return -ENOMEM;
rv = usb_control_msg(data->usb_dev,
usb_sndctrlpipe(data->usb_dev, 0),
USB_REQ_CLEAR_FEATURE,
USB_DIR_OUT | USB_TYPE_STANDARD |
USB_RECIP_ENDPOINT,
USB_ENDPOINT_HALT, data->bulk_out,
buffer, 0, USBTMC_TIMEOUT);
rv = usb_clear_halt(data->usb_dev,
usb_sndbulkpipe(data->usb_dev, data->bulk_out));
if (rv < 0) {
dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",
@ -765,12 +749,8 @@ static int usbtmc_ioctl_clear_in_halt(struct usbtmc_device_data *data)
if (!buffer)
return -ENOMEM;
rv = usb_control_msg(data->usb_dev, usb_sndctrlpipe(data->usb_dev, 0),
USB_REQ_CLEAR_FEATURE,
USB_DIR_OUT | USB_TYPE_STANDARD |
USB_RECIP_ENDPOINT,
USB_ENDPOINT_HALT, data->bulk_in, buffer, 0,
USBTMC_TIMEOUT);
rv = usb_clear_halt(data->usb_dev,
usb_rcvbulkpipe(data->usb_dev, data->bulk_in));
if (rv < 0) {
dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",