From: Ching Huang <ching2048@areca.com.tw>
Date: Tue, 19 Aug 2014 07:07:35 +0000 (+0800)
Subject: arcmsr: clear outbound doorbell buffer completely
X-Git-Tag: fixes-for-v3.18-merge-window~25^2^2~93
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5eb6bfa02a9dfecbb1f644a0b13b16cd3d23770b;p=pandora-kernel.git

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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