From 99f9dba9919c903f04eec1001b5634e3e8bb40cb Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Date: Tue, 12 Feb 2013 11:25:33 +0900
Subject: [PATCH] pch_dma: Use GFP_ATOMIC because called from interrupt context

commit 5c1ef59168c485318e40ba485c1eba57d81d0faa upstream.

pdc_desc_get() is called from pd_prep_slave_sg, and the function is
called from interrupt context(e.g. Uart driver "pch_uart.c").
In fact, I saw kernel error message.
So, GFP_ATOMIC must be used not GFP_NOIO.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
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