DMA: PL330: Support MEMTOMEM transmit w/o RMB, WMB

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The DMAC PL330 r1p0 version fixed the lockup error being on r0p0.
This patch supports the DMA transmission without memory barrier
operation when the revision of DMAC PL330 is the next of r0p0.

Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

...

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Boojin Kim 2011-12-26 18:55:47 +09:00 • committed by Vinod Koul

parent b06db6e56c

commit 3ecf51a45c

1 changed files with 26 additions and 5 deletions

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drivers/dma/pl330.c

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