fb: pvr2fb: Shared IRQ for dreamcast pvr2.

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>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c
index 7d6c298..13de07f 100644 (file)
--- 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;
        }