spi/rspi: add dmaengine support
authorShimoda, Yoshihiro <yoshihiro.shimoda.uh@renesas.com>
Fri, 20 Apr 2012 05:50:36 +0000 (14:50 +0900)
committerGrant Likely <grant.likely@secretlab.ca>
Sun, 20 May 2012 04:37:16 +0000 (22:37 -0600)
This patch adds dmaengine supporting using sh_dma driver. The module
receives data by DMAC, it also needs TX DMAC to generate SPI's clocks.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

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