[PATCH V6 06/15] mmc: core: Hold re-tuning during erase commands

Adrian Hunter
2015-04-20T12:12:43Z

Hold re-tuning during erase commands to prevent
it from conflicting with the sequence of commands.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
drivers/mmc/core/core.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 08bf7e3..dbd7a77 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1995,6 +1995,8 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
unsigned long timeout;
int err;

+ mmc_retune_hold(card->host);
+
/*
* qty is used to calculate the erase timeout which depends on how many
* erase groups (or allocation units in SD terminology) are affected.
@@ -2098,6 +2100,7 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
(R1_CURRENT_STATE(cmd.resp[0]) == R1_STATE_PRG));
out:
+ mmc_retune_release(card->host);
return err;
}

--
1.9.1