mmc: core: remove dead function mmc_try_claim_host

cscope says there are no callers for mmc_try_claim_host in the kernel.
No reason to keep it.

Signed-off-by: Grant Grundler <grundler@chromium.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index bf18b6bfce487b2dd6a77917344c1514dc1aa7a8..006ead2fb7010a4c2ab1f8681ddc61945a54acfa 100644 (file)
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -917,31 +917,6 @@ int __mmc_claim_host(struct mmc_host *host, atomic_t *abort)
 
 EXPORT_SYMBOL(__mmc_claim_host);
 
-/**
- *     mmc_try_claim_host - try exclusively to claim a host
- *     @host: mmc host to claim
- *
- *     Returns %1 if the host is claimed, %0 otherwise.
- */
-int mmc_try_claim_host(struct mmc_host *host)
-{
-       int claimed_host = 0;
-       unsigned long flags;
-
-       spin_lock_irqsave(&host->lock, flags);
-       if (!host->claimed || host->claimer == current) {
-               host->claimed = 1;
-               host->claimer = current;
-               host->claim_cnt += 1;
-               claimed_host = 1;
-       }
-       spin_unlock_irqrestore(&host->lock, flags);
-       if (host->ops->enable && claimed_host && host->claim_cnt == 1)
-               host->ops->enable(host);
-       return claimed_host;
-}
-EXPORT_SYMBOL(mmc_try_claim_host);
-
 /**
  *     mmc_release_host - release a host
  *     @host: mmc host to release

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index da51bec578c33043c156d6661668e8957f5cb86f..a00fc49c8434a53ced21573dfac43785f7bf2f6c 100644 (file)
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -188,7 +188,6 @@ 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);
 
 extern void mmc_get_card(struct mmc_card *card);
 extern void mmc_put_card(struct mmc_card *card);