From 5eb6bfa02a9dfecbb1f644a0b13b16cd3d23770b Mon Sep 17 00:00:00 2001
From: Ching Huang <ching2048@areca.com.tw>
Date: Tue, 19 Aug 2014 15:07:35 +0800
Subject: [PATCH] arcmsr: clear outbound doorbell buffer completely

Clear outbound doorbell buffer completely for adapter type C.  This is to
prevent getting bad data input from IOP before ioctl command processing
starts.

Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Reading git-format-patch failed