From: Ulf Hansson <ulf.hansson@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Reviewed-by: Sebastian Rasmussen <sebastian.rasmussen@xxxxxxxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
V2: updated with kerneldoc
---
drivers/mmc/core/core.c | 10 +++++++++-
include/linux/mmc/core.h | 1 +
2 files changed, 10 insertions(+), 1 deletions(-)
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);
/**
--
1.7.3.2
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