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(parent: 776ffc1) | patch
usb: chipidea: udc: read status of td only once in hardware_dequeue
authorMichael Grzeschik <m.grzeschik@pengutronix.de>
Sat, 30 Mar 2013 10:54:07 +0000 (12:54 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 30 Mar 2013 15:20:48 +0000 (08:20 -0700)
commit9e5064384a69e6dac15e3ba8590355ec844e47b5
tree16a05cdebd3702506e6532bc4e57eb8dbeece2e6tree | snapshot (tar.gz zip)
parent776ffc16b74a5c19285135cfbc6dd02e1c733f25commit | diff
usb: chipidea: udc: read status of td only once in hardware_dequeue

This patch changes the read of the td status to one atomic operation to
analyse coherent bits.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
[Alex: fixed backwards endianness conversion]
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/chipidea/udc.c diff | blob | blame | history