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mmc: identify available device type to select

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Device types which are supported by both host and device can be
identified when EXT_CSD is read. There is no need to check host's
capability anymore.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Seungwon Jeon
2014-04-23 17:07:58 +09:00
committed by Chris Ball
parent cdc991790c
commit 2415c0ef61
4 changed files with 50 additions and 46 deletions
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6
include/linux/mmc/host.h
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@@ -62,12 +62,6 @@ struct mmc_ios {
#define MMC_TIMING_MMC_DDR52 8
#define MMC_TIMING_MMC_HS200 9
#define MMC_SDR_MODE 0
#define MMC_1_2V_DDR_MODE 1
#define MMC_1_8V_DDR_MODE 2
#define MMC_1_2V_SDR_MODE 3
#define MMC_1_8V_SDR_MODE 4
unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */
#define MMC_SIGNAL_VOLTAGE_330 0