dmaengine: bcm-sba-raid: Explicitly ACK mailbox message after sending
authorAnup Patel <anup.patel@broadcom.com>
Tue, 22 Aug 2017 09:57:05 +0000 (15:27 +0530)
committerVinod Koul <vinod.koul@intel.com>
Mon, 28 Aug 2017 11:14:24 +0000 (16:44 +0530)
commit29e0f486d975fabbadb770f957adeb75d73ab2d0
treed276e26ac131e6e8a4040a876663100501310582
parent8529a927e2fcaab010e9c3ed261b96e6ec1f375b
dmaengine: bcm-sba-raid: Explicitly ACK mailbox message after sending

We should explicitly ACK mailbox message because after
sending message we can know the send status via error
attribute of brcm_message.

This will also help SBA-RAID to use "txdone_ack" method
whenever mailbox controller supports it.

Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/bcm-sba-raid.c