diff options
| author | Ritesh Harjani <riteshh@codeaurora.org> | 2015-09-28 15:55:01 +0530 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-31 15:28:04 -0700 |
| commit | bbd570a9b13e15b7b16034157b67f464f88f9546 (patch) | |
| tree | c7d70b2c8f4d73ea451843552c81bfeb0faa9e79 /include/linux/mmc | |
| parent | 84de99e1ded4e96ac36c2287b7d9e4b9cdd8dcc4 (diff) | |
mmc: core: cmdq helper for reset and claim host context
This patch does following-
This adds an API(mmc_cmdq_hw_reset), for RESET_ALL
of SDHCI, power cycle mmc card and
reintialize it, which enables cmdq as well(if supported).
This acquires claim_host before calling mmc_power_restore.
mmc_power_restore should be called with claim_host acquired,
since this function is required from non-claim-host context in
cmdq error handling.
Change-Id: I31c4449dead1d4ad4e10a4822cce2298ec5fb4b6
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
[subhashj@codeaurora.org: fixed merge conflicts, dropped some changes
related to mmc_do_hw_reset]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.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 8b5197ba6759..89efaa67cc59 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -191,6 +191,7 @@ extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); extern int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount, bool is_rel_write); extern int mmc_hw_reset(struct mmc_host *host); +extern int mmc_cmdq_hw_reset(struct mmc_host *host); extern int mmc_can_reset(struct mmc_card *card); extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *); |