USB: fix otg pcd DMA allocate memory with GFP_ATOMIC.
authorwlf <wulf@rock-chips.com>
Wed, 16 Jul 2014 06:09:10 +0000 (14:09 +0800)
committerwlf <wulf@rock-chips.com>
Wed, 16 Jul 2014 06:09:10 +0000 (14:09 +0800)
commit6d10fa81b32256087cc481c3289153b75e3f10eb
treeac030a597b45154c300021614b961eb9e22eadf7
parentdfdb9c2af88fefe2a5a7a5148e641bdf7053655b
USB: fix otg pcd DMA allocate memory with GFP_ATOMIC.

In dwc_otg_pcd_ep_queue, allocate DMA memory for
align buf. Because dwc_otg_pcd_ep_queue can be
called in irq, so it must be used GFP_ATOMIC to
avoid sleep in irq.
drivers/usb/dwc_otg_310/dwc_otg_pcd.c