From: Haitao Zhang <minipanda@linuxrobot.org>
Date: Sun, 1 Jan 2012 03:30:06 +0000 (+0800)
Subject: dma/imx-sdma: save irq flags when use spin_lock in sdma_tx_submit
X-Git-Tag: v3.3-rc1~19^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f69f2e264f6388df6d3cae45dd67ddfd52aaa14b;p=pandora-kernel.git

dma/imx-sdma: save irq flags when use spin_lock in sdma_tx_submit

mx53_loco: fix deadlock report from sdma_tx_submit() during boot

BugLink: http://bugs.launchpad.net/bugs/878701

Adjust to use spin_lock_irqsave()/spin_unlock_irqresotre(), so to
make it safe when called from interrupt context.

Signed-off-by: Haitao Zhang <haitao.zhang@linaro.org>
Signed-off-by: Eric Miao <eric.miao@linaro.org>
Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
---

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