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authorDong Nguyen <Dong.Nguyen@amd.com>2010-07-21 16:56:08 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-10 14:35:40 -0700
commit43b86af83da7db8b2c6d85ca970203950e5bad88 (patch)
treedce6f46e7902bb295d2520c5ef9d3191e1e31489 /drivers/usb/core
parent13dd0c9767349b280cf131c34461f85e5effc42a (diff)
downloadop-kernel-dev-43b86af83da7db8b2c6d85ca970203950e5bad88.zip
op-kernel-dev-43b86af83da7db8b2c6d85ca970203950e5bad88.tar.gz
USB: xHCI: Supporting MSI/MSI-X
Enable MSI/MSI-X supporting in xhci driver. Provide the mechanism to fall back using MSI and Legacy IRQs if MSI-X IRQs register failed. Signed-off-by: Dong Nguyen <Dong.Nguyen@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>, Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/hcd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index c5753c7..5cca00a 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2085,6 +2085,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd)
local_irq_restore(flags);
return rc;
}
+EXPORT_SYMBOL_GPL(usb_hcd_irq);
/*-------------------------------------------------------------------------*/
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