Commit 68249abd authored by Wolfram Sang's avatar Wolfram Sang Committed by Ulf Hansson
Browse files

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



I wanted to use it in a wrong way, so document the intended way.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20210624151616.38770-3-wsa+renesas@sang-engineering.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent e22ce8eb

drivers/mmc/core/host.c

+10 −0
Original line number Diff line number Diff line
@@ -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);