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sdio: allow for mmc_claim_host to be aborted

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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>
This commit is contained in:
Nicolas Pitre 2007-06-30 16:21:52 +02:00 • committed by Pierre Ossman
parent 55fe77a0a2
commit 2342f3323c
2 changed files with 28 additions and 7 deletions
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13
include/linux/mmc/core.h
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@ -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