usb: gadget: udc: renesas_usb3: add support for dedicated DMAC
authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tue, 6 Jun 2017 11:24:20 +0000 (20:24 +0900)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Tue, 13 Jun 2017 10:21:07 +0000 (13:21 +0300)
commit2d4aa21a73ba1019195f2200361c0fabe6f7d261
treedb8e6d944a4457ebd17ed2ffe10476f8400fe3fd
parent46ddd79e893bca1ec65bf2d20ba17ffabf25efb9
usb: gadget: udc: renesas_usb3: add support for dedicated DMAC

The USB3.0 peripheral controller on R-Car SoCs has a dedicated DMAC.
The DMAC needs a "PRD table" in system memory and the DMAC can have
four PRD tables. This patch adds support for the DMAC.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/gadget/udc/renesas_usb3.c