dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3

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According to R-Car Gen3 Rev.0.80 manual, the DMATCR can be set to
16,777,215 as maximum. So, this patch fixes the max_chunk_size for
safety on all of SoCs. Otherwise, a system may hang if the DMATCR
is set to 0 on R-Car Gen3.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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Yoshihiro Shimoda 2018-02-14 18:40:12 +09:00 • committed by Vinod Koul

parent 7928b2cbe5

commit d716d9b702

1 changed files with 1 additions and 1 deletions

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drivers/dma/sh/rcar-dmac.c

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