]> git.hungrycats.org Git - linux/commit
usb: xhci: Add support for URB_ZERO_PACKET to bulk/sg transfers
authorReyad Attiyat <reyad.attiyat@gmail.com>
Thu, 6 Aug 2015 16:23:58 +0000 (19:23 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 22 Oct 2015 21:49:26 +0000 (14:49 -0700)
commitcfc72e39b21aa8ce88df6243ea9cced92f5b9338
tree29ba5f6b1b697473895b7569b88db1a54f4cb3d2
parentad89cfd0e8aa0599d4c2052cf2e7103a01006521
usb: xhci: Add support for URB_ZERO_PACKET to bulk/sg transfers

commit 4758dcd19a7d9ba9610b38fecb93f65f56f86346 upstream.

This commit checks for the URB_ZERO_PACKET flag and creates an extra
zero-length td if the urb transfer length is a multiple of the endpoint's
max packet length.

Signed-off-by: Reyad Attiyat <reyad.attiyat@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c