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| author | Thomas Pugliese <thomas.pugliese@gmail.com> | 2013-12-09 13:45:43 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-09 13:27:32 -0800 |
| commit | a2cd612dc9be768b516541b2164c843849bc3bb3 (patch) | |
| tree | 0e8d33b0757e383f5517f96c62a2d076de2f6bc1 | |
| parent | 7005234c18f233d3613b09e9ce4b6ce6977bf246 (diff) | |
| download | op-kernel-dev-a2cd612dc9be768b516541b2164c843849bc3bb3.zip op-kernel-dev-a2cd612dc9be768b516541b2164c843849bc3bb3.tar.gz | |
usb: core: allow isoc URBs for wireless devices with an interval < 6
In usb_submit_urb, do not fail if an isoc URB for a wireless USB device
has an interval < 6. Per WUSB spec, isoc endpoints can support values
from 1-16. Valid values for interrupt URBs for wireless USB devices are
still 6-16.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/core/urb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index e622083..07c58af 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -492,9 +492,9 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) /* too small? */ switch (dev->speed) { case USB_SPEED_WIRELESS: - if (urb->interval < 6) + if ((urb->interval < 6) + && (xfertype == USB_ENDPOINT_XFER_INT)) return -EINVAL; - break; default: if (urb->interval <= 0) return -EINVAL; |
