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usb: usbtest: two super speed fixes for usbtest 

bMaxPacketSize0 field for super speed is a power of 2, not a count.
The size itself is always 512.

Max packet size for a super speed bulk endpoint is 1024, so
allocate the urb size in halt_simple() accordingly.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
wifi-calibration
Paul Zimmerman 2012-04-16 14:19:07 -07:00 committed by Greg Kroah-Hartman
parent 73108aa90c
commit 6a23ccd216
1 changed files with 12 additions and 5 deletions
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17
drivers/usb/misc/usbtest.c
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@ -1028,7 +1028,10 @@ test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param)
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;
if (udev->speed == USB_SPEED_SUPER)
len = 1024 - 512;
else
len = 1024 - udev->descriptor.bMaxPacketSize0;
expected = -EREMOTEIO;
break;
case 14: /* short read; try to fill the last packet */
@ -1387,11 +1390,15 @@ static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb)
static int halt_simple(struct usbtest_dev *dev)
{
int ep;
int retval = 0;
struct urb *urb;
int ep;
int retval = 0;
struct urb *urb;
struct usb_device *udev = testdev_to_usbdev(dev);
urb = simple_alloc_urb(testdev_to_usbdev(dev), 0, 512);
if (udev->speed == USB_SPEED_SUPER)
urb = simple_alloc_urb(udev, 0, 1024);
else
urb = simple_alloc_urb(udev, 0, 512);
if (urb == NULL)
return -ENOMEM;