1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 1433d95c40bb..6a7e29849603 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -93,6 +93,10 @@ EXPORT_SYMBOL(mmc_alloc_host);
 /**
  *      mmc_add_host - initialise host hardware
  *      @host: mmc host
+ *
+ *      Register the host with the driver model. The host must be
+ *      prepared to start servicing requests before this function
+ *      completes.
  */
 int mmc_add_host(struct mmc_host *host)
 {
@@ -126,7 +130,8 @@ EXPORT_SYMBOL(mmc_add_host);
  *      @host: mmc host
  *
  *      Unregister and remove all cards associated with this host,
- *      and power down the MMC bus.
+ *      and power down the MMC bus. No new requests will be issued
+ *      after this function has returned.
  */
 void mmc_remove_host(struct mmc_host *host)
 {