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mmc: sh_mmcif: Add support for eMMC Dual Data Rate
authorTeppei Kamijou <teppei.kamijou.yb@renesas.com>
Wed, 12 Dec 2012 14:38:08 +0000 (15:38 +0100)
committerChris Ball <cjb@laptop.org>
Mon, 11 Feb 2013 17:51:24 +0000 (12:51 -0500)
commit555061f987787a966b01e62517b9befbd35e2f89
treed43970605c7c2f4bf8178c399855697552369cf0tree | snapshot (tar.gz zip)
parent2cd5b3e061e3742de6b3a50f45f7d3b96aa50964commit | diff
mmc: sh_mmcif: Add support for eMMC Dual Data Rate

Some MMCIF implementations support the Dual Data Rate. With this patch,
platforms can set the MMC_CAP_UHS_DDR50 capability flag in MMCIF platform
data. This will let the MMC core to actually use the DDR mode.

Signed-off-by: Teppei Kamijou <teppei.kamijou.yb@renesas.com>
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
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 | blame | history