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| author | Ohad Ben-Cohen <ohad@wizery.com> | 2011-04-05 18:02:25 +0300 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-05-24 21:00:01 -0400 |
| commit | 2059a02dcb84236f9db9197fa9b00418d7b8465b (patch) | |
| tree | d51b9fe1b70a7e3e7d5c24912637d22a04bf35b5 /include/linux/mmc | |
| parent | 0b4043d70af5871908864fa725821bc8e667542d (diff) | |
| download | kernel_samsung_smdk4412-2059a02dcb84236f9db9197fa9b00418d7b8465b.zip kernel_samsung_smdk4412-2059a02dcb84236f9db9197fa9b00418d7b8465b.tar.gz kernel_samsung_smdk4412-2059a02dcb84236f9db9197fa9b00418d7b8465b.tar.bz2 | |
mmc: add MMC_QUIRK_DISABLE_CD
006ebd5d introduced sdio_disable_cd(), which disconnects the pull-up
resistor on CD/DAT[3] (pin 1) of the card.
Make it possible to start using sdio_disable_cd() by introducing
MMC_QUIRK_DISABLE_CD.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 317a002..2a7e5497 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -129,6 +129,7 @@ struct mmc_card { /* (missing CIA registers) */ #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */ #define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */ +#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */ unsigned int erase_size; /* erase size in sectors */ unsigned int erase_shift; /* if erase unit is power 2 */ @@ -184,6 +185,11 @@ static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c) return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; } +static inline int mmc_card_disable_cd(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_DISABLE_CD; +} + static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF; |