dmaengine: sh: rcar-dmac: add a new function to clear CHCR.DE with barrier
authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Wed, 11 Jul 2018 02:10:15 +0000 (11:10 +0900)
committerVinod Koul <vkoul@kernel.org>
Wed, 11 Jul 2018 05:17:30 +0000 (10:47 +0530)
commit4de1247a9826cec0ba054479124bd9aa60fb71a5
tree3152792c67475f7084de8a52c828523ed32348a6
parent538603c6026ce769eec633bb79349f5f287519c7
dmaengine: sh: rcar-dmac: add a new function to clear CHCR.DE with barrier

This patch adds a new function rcar_dmac_clear_chcr_de() to simplify
adding pause function later.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/sh/rcar-dmac.c