FROMLIST: usb: dwc3: Enable support for 64-bit system
authorWu Liang feng <wulf@rock-chips.com>
Sun, 6 Mar 2016 15:18:30 +0000 (23:18 +0800)
committerHuang, Tao <huangtao@rock-chips.com>
Mon, 7 Mar 2016 07:26:35 +0000 (15:26 +0800)
commit275af0eee4ac16ec74289a7071c32a29b47b7b29
treee3de58f9a452e7f37db90a49243364614c04afed
parentbd88043dd7a5e35013ac53b973cef04442b7dffb
FROMLIST: usb: dwc3: Enable support for 64-bit system

Add 64-bit DMA operation support to the USB DWC3 driver.
First attempt to set the coherent DMA mask for 64-bit DMA.
If that failed, attempt again with 32-bit DMA.

Change-Id: I6d8e0e35ed606aa38d1dbadbb48f5629c1b39552
Signed-off-by: Thang Q. Nguyen <tqnguyen@apm.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(am from https://patchwork.kernel.org/patch/8109031/)
drivers/usb/dwc3/core.c