From: Hao Liang <hliang1025@gmail.com>
Date: Thu, 26 Mar 2015 09:13:24 +0000 (+0800)
Subject: bfin uart: it will hang when read current y count if not disable dma irq
X-Git-Tag: omap-for-v4.1/fixes-rc1~74^2~69
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1569039db0062c47c97ca0bf0c86210d26b8f412;p=pandora-kernel.git

bfin uart: it will hang when read current y count if not disable dma irq

Add irq disable and enable in bfin_serial_rx_dma_timeout in case of
system hang.

This reverts part of commit 9642dbe73c8a ("serial: bfin-uart: avoid
dead lock in rx irq handler in smp kernel").

Signed-off-by: Hao Liang <hliang1025@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

Reading git-diff-tree failed