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(parent: 5df460b) | patch
mmc: sh_mmcif: Terminate DMA transactions when detecting timeout or error
authorTeppei Kamijou <teppei.kamijou.yb@renesas.com>
Wed, 12 Dec 2012 14:38:12 +0000 (15:38 +0100)
committerChris Ball <cjb@laptop.org>
Mon, 11 Feb 2013 18:28:21 +0000 (13:28 -0500)
commiteae309836509496c981ceaebdef57041de86ecd4
tree1c9422ea98f6f831d85665abd79226b4af257f29tree | snapshot
parent5df460b15e10ffcf2c9a05d0c55b309568d330eacommit | diff
mmc: sh_mmcif: Terminate DMA transactions when detecting timeout or error

If a DMA transaction fails, terminate all outstanding DMA transfers and
unmap buffers.

Signed-off-by: Teppei Kamijou <teppei.kamijou.yb@renesas.com>
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
[g.liakhovetski@gmx.de: forward-port, add dma_unmap_sg() in error cases]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/sh_mmcif.c diff | blob | history
Domain: System / Kernel;