From: Andiry Xu <andiry.xu@amd.com>
Date: Mon, 27 Dec 2010 09:39:02 +0000 (+0800)
Subject: xHCI: synchronize irq in xhci_suspend()
X-Git-Tag: v2.6.38-rc3~7^2^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0029227f1bc30b6c809ae751f9e7af6cef900997;p=pandora-kernel.git

xHCI: synchronize irq in xhci_suspend()

Synchronize the interrupts instead of free them in xhci_suspend(). This will
prevent a double free when the host is suspended and then the card removed.

Set the flag hcd->msix_enabled when using MSI-X, and check the flag in
suspend_common(). MSI-X synchronization will be handled by xhci_suspend(),
and MSI/INTx will be synchronized in suspend_common().

This patch should be queued for the 2.6.37 stable tree.

Reported-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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