From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 9 Mar 2010 17:25:28 +0000 (-0500)
Subject: serial: bfin_sport_uart: work around anomaly 05000473 (make 32bit fifo read atomic)
X-Git-Tag: v2.6.35-rc1~458^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5a420d207df40226afbf828c12bd9b4c6e058ef;p=pandora-kernel.git

serial: bfin_sport_uart: work around anomaly 05000473 (make 32bit fifo read atomic)

We cannot let a 32-bit RX FIFO read be interrupted otherwise a fake RX
underflow error might be generated.

URL: http://blackfin.uclinux.org/gf/tracker/5145

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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