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| author |   Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-06-24 17:16:15 +0200 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2021-08-24 10:15:28 +0200 |
| commit | 68249abd7ae8de55e59844436bcd3c8f51bdd252 (patch) | |
| tree | 47cbdc3c3850590cc4e6ce5b8c795208b7331a51 /drivers/mmc | |
| parent | Linux 5.14-rc7 (diff) | |
| download | linux-dev-68249abd7ae8de55e59844436bcd3c8f51bdd252.tar.xz linux-dev-68249abd7ae8de55e59844436bcd3c8f51bdd252.zip | |
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: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20210624151616.38770-3-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/host.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 0475d96047c4..913fd62c01cd 100644 --- 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); |