Currently "mmc sleep" is only used before power off and
is not paired with waking up. If that ever changed,
re-tuning might need to be held, so add a comment for that.
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/core/mmc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 1d41e85..813b02a 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1496,6 +1496,7 @@ static int mmc_can_sleep(struct mmc_card *card)
return (card && card->ext_csd.rev >= 3);
}
+/* If necessary, callers must hold re-tuning */
static int mmc_sleep(struct mmc_host *host)
{
struct mmc_command cmd = {0};
--
1.9.1
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