From: Juha Yrjola <juha.yrjola@solidboot.com>
Date: Thu, 29 Jan 2009 16:57:12 +0000 (-0800)
Subject: ARM: OMAP: Fix race in OMAP2/3 DMA IRQ handling
X-Git-Tag: sz_old_beta2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f2054744556d592d167993c1504d2217b59a491;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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