dmaengine: at_xdmac: rework slave configuration part

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Rework slave configuration part in order to more report wrong errors
about the configuration.
Only maxburst and addr width values are checked when doing the slave
configuration. The validity of the channel configuration is done at
prepare time.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable@vger.kernel.org # 4.0 and later
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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Ludovic Desroches 2015-06-08 10:33:15 +02:00 • committed by Vinod Koul

parent 4c374fc7ce

commit 765c37d876

1 changed files with 96 additions and 60 deletions

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drivers/dma/at_xdmac.c

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