linux-kernel - [PATCH - RESUBMiT] Minor patch to pvr2 driver required for maple bus support on SEGA Dreamcast

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Message-ID: <8b67d60709041627j28b8088co25a3628740f24583@mail.gmail.com>
Date:	Wed, 5 Sep 2007 00:27:20 +0100
From:	"Adrian McMenamin" <lkmladrian@...il.com>
To:	linux-kernel@...r.kernel.org,
	"Antonino A. Daplas" <adaplas@...il.com>
Cc:	linuxsh-dev@...ts.sourceforge.net,
	"Paul Mundt" <lethal@...ux-sh.org>
Subject: [PATCH - RESUBMiT] Minor patch to pvr2 driver required for maple bus support on SEGA Dreamcast

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@...en.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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