From: Juha Yrjölä <juha.yrjola@solidboot.com>
Date: Wed, 21 Jan 2009 17:24:09 +0000 (+0200)
Subject: ARM OMAP: Fix race in OMAP2/3 DMA IRQ handling
X-Git-Tag: v2.6.29-omap1~122
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8c830feb67138712fda06bc724199476f4b4a10;p=pandora-kernel.git

ARM OMAP: Fix race in OMAP2/3 DMA IRQ handling

CSR must be cleared before invoking the callback.

If the callback function starts a new, fast DMA transfer on the same
channel, the completion status might lost if CSR is cleared after
the callback invocation.

Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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