From: Jiri Slaby <jslaby@suse.cz>
Date: Thu, 4 Apr 2013 19:34:11 +0000 (+0200)
Subject: MFD: rtsx_pcr: Fix probe fail path
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~31^2~86
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d66b568a215fe2da2a9db736ebf9b8d66082d88;p=pandora-kernel.git

MFD: rtsx_pcr: Fix probe fail path

When rtsx_pci_acquire_irq fails in rtsx_pci_probe, we forget to
disable an MSI (if we enabled it). This results in this warning on the
next attempt to load the module:
WARNING: at drivers/pci/msi.c:834 pci_enable_msi_block+0x2a4/0x2b0()
Hardware name: HP EliteBook 840 G1
Modules linked in: rtsx_pci(+) ...
Pid: 4056, comm: modprobe Tainted: G          I  3.8.0-9405-gd895cb1-1-vanilla #1
Call Trace:
 [<ffffffff81045c6a>] warn_slowpath_common+0x7a/0xc0
 [<ffffffff81045cc5>] warn_slowpath_null+0x15/0x20
 [<ffffffff81302544>] pci_enable_msi_block+0x2a4/0x2b0
 [<ffffffffa05e335a>] rtsx_pci_probe+0x55a/0x720 [rtsx_pci]
...

So properly disable MSI in that case.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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