From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Wed, 22 Dec 2010 17:09:08 +0000 (+0000)
Subject: ARM: PL011: Ensure error flags are clear at startup
X-Git-Tag: v2.6.38-rc1~471^2~4^3~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5063e2c567ee569cccfc01ebf80c898cb4e6833a;p=pandora-kernel.git

ARM: PL011: Ensure error flags are clear at startup

The error flags weren't being cleared upon UART startup, which
can cause problems when we add DMA support.  It's good practice
to ensure that these flags are cleared anyway, so let's do so.

This was part of a larger patch from Linus Walleij.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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