mmc: sh_mmcif: force to fail CMD52 immediately

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mmc_rescan() sends CMD52 (SD_IO_RW_DIRECT) to reset SDIO card during
card detection. CMD52 should be ignored by SD/eMMC cards, but we can
also abort it in the driver immediately, since MMCIF doesn't support
SDIO cards anyway.

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>

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Teppei Kamijou 2012-12-12 15:38:05 +01:00 • committed by Chris Ball

parent f6e644389d

commit cd05115035

1 changed files with 1 additions and 0 deletions

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drivers/mmc/host/sh_mmcif.c

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