From: Jens Axboe <axboe@fb.com>
Date: Fri, 14 Nov 2014 16:49:26 +0000 (-0700)
Subject: NVMe: make setup work for devices that don't do INTx
X-Git-Tag: omap-for-v3.19/fixes-rc1~94^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e32efbfc35c1b06f1bfe3e6d737acdd14d27baed;p=pandora-kernel.git

NVMe: make setup work for devices that don't do INTx

The setup/probe part currently relies on INTx being there and
working, that's not always the case. For devices that don't
advertise INTx, enable a single MSIx vector early on and disable
it again before we ask for our full range of queue vecs.

Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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