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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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2
include/linux/mmc/card.h
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@@ -68,7 +68,6 @@ struct mmc_ext_csd {
#define MMC_HIGH_DDR_MAX_DTR 52000000
#define MMC_HS200_MAX_DTR 200000000
unsigned int sectors;
unsigned int card_type;
unsigned int hc_erase_size; /* In sectors */
unsigned int hc_erase_timeout; /* In milliseconds */
unsigned int sec_trim_mult; /* Secure trim multiplier */
@@ -298,6 +297,7 @@ struct mmc_card {
struct sdio_func_tuple *tuples; /* unknown common tuples */
unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
unsigned int mmc_avail_type; /* supported device type by both host and card */
struct dentry *debugfs_root;
struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */