From: Alexander Gordeev <agordeev@redhat.com>
Date: Wed, 26 Feb 2014 09:02:41 +0000 (+0100)
Subject: cciss: Fallback to MSI rather than to INTx if MSI-X failed
X-Git-Tag: v3.15-rc1~134^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=371ff93a72a1aa14773e2e17548796db8c004a6c;p=pandora-kernel.git

cciss: Fallback to MSI rather than to INTx if MSI-X failed

Currently the driver falls back to INTx mode when MSI-X
initialization failed. This is a suboptimal behaviour
for chips that also support MSI. This update changes that
behaviour and falls back to MSI mode in case MSI-X mode
initialization failed.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Mike Miller <mike.miller@hp.com>
Cc: iss_storagedev@hp.com
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-pci@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
---

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