From b5868e8cdeb35cd9ddc3a541f81f318b0f6772b3 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 19 Dec 2008 15:34:50 +0900
Subject: sh: enable deferred io LCDC on Migo-R

Enable LCDC deferred io on Migo-R using 1s delay.

As with other deferred io frame buffers user space code should
use fsync() on the frame buffer device to trigger an update.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-migor/setup.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/sh/boards')

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 3e37fb2..cc1408119 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -262,6 +262,8 @@ static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = {
 		.sys_bus_cfg = {
 			.ldmt2r = 0x06000a09,
 			.ldmt3r = 0x180e3418,
+			/* set 1s delay to encourage fsync() */
+			.deferred_io_msec = 1000,
 		},
 	}
 #endif
-- 
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