mmc: host: add kdoc for mmc_retune_{en|dis}able

[linux-2.6-microblaze.git] / drivers / mmc / core / host.c

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 0475d96..913fd62 100644 (file)
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -96,6 +96,10 @@ void mmc_unregister_host_class(void)
        class_unregister(&mmc_host_class);
 }
 
+/**
+ * mmc_retune_enable() - enter a transfer mode that requires retuning
+ * @host: host which should retune now
+ */
 void mmc_retune_enable(struct mmc_host *host)
 {
        host->can_retune = 1;
@@ -127,6 +131,12 @@ void mmc_retune_unpause(struct mmc_host *host)
 }
 EXPORT_SYMBOL(mmc_retune_unpause);
 
+/**
+ * mmc_retune_disable() - exit a transfer mode that requires retuning
+ * @host: host which should not retune anymore
+ *
+ * It is not meant for temporarily preventing retuning!
+ */
 void mmc_retune_disable(struct mmc_host *host)
 {
        mmc_retune_unpause(host);