tree e3f3fe45d360315ea118f8c4dc47c65a068078a1
parent 28ccd2962c66556d7037b2d9f1c11cdcd3b805d5
author Matt Evans <matt@ozlabs.org> 1301366451 +1100
committer Sarah Sharp <sarah.a.sharp@linux.intel.com> 1304379769 -0700

xhci: Add rmb() between reading event validity & event data access.

On weakly-ordered systems, the reading of an event's content must occur
after reading the event's validity.

Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>