USB: xHCI: Sync non-coherent DMA buffers
When working with non-coherent transfer buffers, we have to sync
device and cpu for outgoing and incoming buffers. Fix the driver where
non-coherent buffers are used in device context.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent ee0035e commit 11045f866dd3b924d025faa86c41bd4dd3a9236a
@Sebastian Hesselbarth Sebastian Hesselbarth authored on 13 Apr 2015
Sascha Hauer committed on 15 Apr 2015
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drivers/usb/host/xhci-hcd.c