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[ARM] 4781/1: S3C24XX: DMA suspend and resume support

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If an DMA channel was active at suspend, then ensure that
it is correctly reconfigured when the system resumes.

Note, the previous policy was for each driver to handle their
own reconfiguration on resume. The policy has been changed to
make the individual driver's job easier.

Signed-off-by: Ben Dooks <ben-linux@flfuf.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Ben Dooks
2008-01-28 13:01:21 +01:00
committed by Russell King
parent c6709e8ef5
commit c58f7a1d36
2 changed files with 26 additions and 1 deletions
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include/asm-arm/arch-s3c2410/dma.h
+1
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@@ -214,6 +214,7 @@ struct s3c2410_dma_chan {
unsigned long dev_addr;
unsigned long load_timeout;
unsigned int flags; /* channel flags */
unsigned int hw_cfg; /* last hw config */
struct s3c24xx_dma_map *map; /* channel hw maps */