From: Robert Richter <robert.richter@caviumnetworks.com>
Date: Wed, 17 Jun 2015 13:30:02 +0000 (+0200)
Subject: ahci, msix: Fix build error for !PCI_MSI
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~115^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34c56932ce5278b8bbae13936f9df05cd59e3193;p=pandora-kernel.git

ahci, msix: Fix build error for !PCI_MSI

It turned out the irq vector of the msix can be obtained from struct
msix_entry. This makes the lookup function for msi_desc obsolete.

This fixes a build error if PCI_MSI is unset:

 drivers/ata/ahci.c: In function ‘msix_get_desc’:
 drivers/ata/ahci.c:1210:2: error: ‘struct pci_dev’ has no member named ‘msi_list’

Catched by Fengguang's build bot.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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