From: Matthew Wilcox <matthew@wil.cx>
Date: Fri, 25 Jul 2008 21:42:58 +0000 (-0600)
Subject: PCI MSI: Don't disable MSIs if the mask bit isn't supported
X-Git-Tag: v2.6.27-rc1~3^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ce6fce4295ba727b36fdc73040e444bd1aae64cd;p=pandora-kernel.git

PCI MSI: Don't disable MSIs if the mask bit isn't supported

David Vrabel has a device which generates an interrupt storm on the INTx
pin if we disable MSI interrupts altogether.  Masking interrupts is only
a performance optimisation, so we can ignore the request to mask the
interrupt.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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