dmaengine: sa11x0-dma: add cyclic DMA support
authorRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 15 May 2012 17:34:33 +0000 (18:34 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 1 Jul 2012 13:16:26 +0000 (14:16 +0100)
commitd94443256f8f19732f0b95f65ec344c17751aa15
tree3240befb10ed346615edc1477f1a41db4511a6a6
parent63fe23c34e1c18725bd1459897bf3a46335d88b7
dmaengine: sa11x0-dma: add cyclic DMA support

Add support for cyclic DMA on sa11x0 platforms.  This follows the
discussed behaviour that the callback will be called at some point
after period expires, and may coalesce multiple period expiries into
one callback (due to the tasklet behaviour.)

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/dma/sa11x0-dma.c