mmc: export function mmc_do_release_host

Message ID 1299658262-1337-1-git-send-email-linus.walleij@stericsson.com
State Accepted, archived
Headers show

Commit Message

Linus Walleij March 9, 2011, 8:11 a.m.
From: Ulf Hansson <ulf.hansson@stericsson.com>

When using mmc_try_claim_host the corresponding release
function is mmc_do_release_host, which then also must
be exported.

Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Reviewed-by: Sebastian Rasmussen <sebastian.rasmussen@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
V2: updated with kerneldoc
---
 drivers/mmc/core/core.c  |   10 +++++++++-
 include/linux/mmc/core.h |    1 +
 2 files changed, 10 insertions(+), 1 deletions(-)

Patch

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 6625c05..0178fca 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -528,7 +528,14 @@  int mmc_try_claim_host(struct mmc_host *host)
 }
 EXPORT_SYMBOL(mmc_try_claim_host);
 
-static void mmc_do_release_host(struct mmc_host *host)
+/**
+ *	mmc_do_release_host - release a claimed host
+ *	@host: mmc host to release
+ *
+ *	If you successfully claimed a host, this function will
+ *	release it again.
+ */
+void mmc_do_release_host(struct mmc_host *host)
 {
 	unsigned long flags;
 
@@ -543,6 +550,7 @@  static void mmc_do_release_host(struct mmc_host *host)
 		wake_up(&host->wq);
 	}
 }
+EXPORT_SYMBOL(mmc_do_release_host);
 
 void mmc_host_deeper_disable(struct work_struct *work)
 {
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 64e013f..07f27af 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -160,6 +160,7 @@  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 void mmc_do_release_host(struct mmc_host *host);
 extern int mmc_try_claim_host(struct mmc_host *host);
 
 /**