diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2016-12-02 16:14:23 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-12-05 16:16:22 +0300 |
| commit | e711f0309109701cb422aab44ace4ea0dccb89ea (patch) | |
| tree | 43032d7231d650cca2d35bcd90afeadcdff0a61c /include/linux/mmc | |
| parent | 0760c355525c08dd598e86edb2a310688ac8af4c (diff) | |
| download | linux-e711f0309109701cb422aab44ace4ea0dccb89ea.tar.xz | |
mmc: mmc: Introduce mmc_abort_tuning()
If a tuning command times out, the card could still be processing it, which
will cause problems for recovery. The eMMC specification says that CMD12
can be used to stop CMD21, so add a function that does that.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/core.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 0ce928b3ce90..e33cc748dcfe 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -176,6 +176,7 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, extern void mmc_start_bkops(struct mmc_card *card, bool from_exception); extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int); extern int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error); +extern int mmc_abort_tuning(struct mmc_host *host, u32 opcode); extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd); #define MMC_ERASE_ARG 0x00000000 |