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| author | Paul Zimmerman <Paul.Zimmerman@synopsys.com> | 2012-04-16 14:19:07 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-01 13:38:27 -0400 |
| commit | 6a23ccd216b6a8ba2c67a9f9d8969b4431ad2920 (patch) | |
| tree | 0358a6569a0f59411494633b160814d4282e7f05 /drivers/usb/misc | |
| parent | 73108aa90cbfc663649885a06fe5c1235307de1c (diff) | |
| download | blackbird-op-linux-6a23ccd216b6a8ba2c67a9f9d8969b4431ad2920.tar.gz blackbird-op-linux-6a23ccd216b6a8ba2c67a9f9d8969b4431ad2920.zip | |
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>
Diffstat (limited to 'drivers/usb/misc')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 9dcb68f04f03..055b84adedac 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -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; |
