From: Gavin Shan <shangw@linux.vnet.ibm.com>
Date: Thu, 4 Apr 2013 16:54:32 +0000 (+0000)
Subject: PCI: Use cached MSI cap while enabling MSI interrupts
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~143^2^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f465136d7287538cabdcdbf8deb24f99a9f855e4;p=pandora-kernel.git

PCI: Use cached MSI cap while enabling MSI interrupts

The patch uses the cached MSI capability offset in pci_dev instead
of reading it from config space when enabling MSI interrupts.

[bhelgaas: removed unrelated msi_control_reg() changes]
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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