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| author | Nicolas Pitre <nico@cam.org> | 2007-06-30 16:21:52 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 20:55:13 +0200 |
| commit | 2342f3323c9a76367a1d7f9a35525ee3cb3911df (patch) | |
| tree | 1fdb42702137dfbe0be0c2e1c6777a0c0ddb1bcf /include/linux/mmc | |
| parent | 55fe77a0a24e05c9aaf1a13550dde5efad8b49f2 (diff) | |
| download | linux-stable-2342f3323c9a76367a1d7f9a35525ee3cb3911df.tar.gz linux-stable-2342f3323c9a76367a1d7f9a35525ee3cb3911df.tar.bz2 linux-stable-2342f3323c9a76367a1d7f9a35525ee3cb3911df.zip | |
sdio: allow for mmc_claim_host to be aborted
It is sometimes necessary to give up on trying to claim the host lock,
especially if that happens in a thread that has to be stopped.
While at it, fix the description for mmc_claim_host() which was wrong.
Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/core.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 43a92736be63..8945da9b54fa 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -114,7 +114,18 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *); -extern void mmc_claim_host(struct mmc_host *host); +extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort); extern void mmc_release_host(struct mmc_host *host); +/** + * mmc_claim_host - exclusively claim a host + * @host: mmc host to claim + * + * Claim a host for a set of operations. + */ +static inline void mmc_claim_host(struct mmc_host *host) +{ + __mmc_claim_host(host, NULL); +} + #endif |