The maple bus driver (http://lkml.org/lkml/2007/9/4/165) uses hardware
synchronisation between the maple bus and the VBLANK to poll the maple
bus. This patch makes the interrupt shareable.

By definition the interrupt is for both devices.

Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk>

diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c
index 7d6c298..13de07f 100644
--- a/drivers/video/pvr2fb.c
+++ b/drivers/video/pvr2fb.c
@@ -890,7 +890,7 @@ static int __init pvr2fb_dc_init(void)
 	pvr2_fix.mmio_start	= 0xa05f8000;	/* registers start here */
 	pvr2_fix.mmio_len	= 0x2000;

-	if (request_irq(HW_EVENT_VSYNC, pvr2fb_interrupt, 0,
+	if (request_irq(HW_EVENT_VSYNC, pvr2fb_interrupt, IRQF_SHARED,
 	                "pvr2 VBL handler", fb_info)) {
 		return -EBUSY;
 	}
-
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