diff options
| author | Adrian Hunter <adrian.hunter@nokia.com> | 2009-09-22 16:44:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:33 -0700 |
| commit | 319a3f1429c91147058ac26c5f5bac8ec1730bc6 (patch) | |
| tree | 4a39ff034f7e9b57b903997f818eee5304657991 /include/linux/mmc/core.h | |
| parent | 8ea926b22e2d13238e4d65d8f61c48fe424e6f4f (diff) | |
| download | linux-stable-319a3f1429c91147058ac26c5f5bac8ec1730bc6.tar.gz linux-stable-319a3f1429c91147058ac26c5f5bac8ec1730bc6.tar.bz2 linux-stable-319a3f1429c91147058ac26c5f5bac8ec1730bc6.zip | |
mmc: allow host claim / release nesting
This change allows the MMC host to be claimed in situations where the host
may or may not have already been claimed. Also 'mmc_try_claim_host()' is
now exported.
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: Matt Fleming <matt@console-pimps.org>
Cc: Ian Molton <ian@mnementh.co.uk>
Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Denis Karpov <ext-denis.2.karpov@nokia.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Philip Langdale <philipl@overt.org>
Cc: "Madhusudhan" <madhu.cr@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmc/core.h')
| -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 7ac8b500d55c..e4898e9eeb59 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -139,6 +139,7 @@ extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int); extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort); extern void mmc_release_host(struct mmc_host *host); +extern int mmc_try_claim_host(struct mmc_host *host); /** * mmc_claim_host - exclusively claim a host |