From dc48665fae5aa360e80dfdb2d6cab4fa58b27ee4 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Wed, 13 Jul 2011 12:13:47 +0200
Subject: [PATCH] fbdev: sh_mobile_lcdc: Don't acknowlege interrupts
 unintentionally

The LDINTR register caries both interrupt enable and interrupt status
bits. When setting or clearing interrupt enable bits, write all status
bits to 1 to avoid acknowledging interrupts by mistake.

When acknowledging interrupts, write 1 to all non-triggered interrupt
bits to avoid losing interrupts.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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