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(parent: 35cfb67) | patch
ARM OMAP: Fix race in OMAP2/3 DMA IRQ handling
authorJuha Yrjölä <juha.yrjola@solidboot.com>
Wed, 21 Jan 2009 17:24:09 +0000 (19:24 +0200)
committerTony Lindgren <tony@atomide.com>
Fri, 23 Jan 2009 01:21:33 +0000 (17:21 -0800)
commit340986de702bffd457d5e039dc7d40e5cc32091c
tree6d108e5eb274f25f21f9a586a25835144cd59e5ctree | snapshot
parent35cfb6774dc8d0f027dd112b55e31bc6a4f81b22commit | diff
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>
arch/arm/plat-omap/dma.c [changed mode: 0644->0755] diff | blob | history
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