When cmd->opcode == MMC_SEND_TUNING_BLOCK, the SDHCI_TRANSFER_MODE
should also be kept
Signed-off-by: Charl Liu <charl.liu@xxxxxxxxxxxxxx>
---
change in V1:
Keeping the SDHCI_TRANSFER_MODE when cmd->opcode == MMC_END_TUNING_BLOCK
change in V2:
add the mmc_op_tuning interface to judge if the opcode is tuning CMD
---
drivers/mmc/host/sdhci.c | 2 +-
include/linux/mmc/mmc.h | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 22152029e14c..9388628215ca 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1430,7 +1430,7 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
if (host->quirks2 &
SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD) {
/* must not clear SDHCI_TRANSFER_MODE when tuning */
- if (cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200)
+ if (!mmc_op_tuning(cmd->opcode))
sdhci_writew(host, 0x0, SDHCI_TRANSFER_MODE);
} else {
/* clear Auto CMD settings for no data CMDs */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index d9a65c6a8816..d809bdfcc59b 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -99,6 +99,12 @@ static inline bool mmc_op_multi(u32 opcode)
opcode == MMC_READ_MULTIPLE_BLOCK;
}
+static inline bool mmc_op_tuning(u32 opcode)
+{
+ return opcode == MMC_SEND_TUNING_BLOCK ||
+ opcode == MMC_SEND_TUNING_BLOCK_HS200;
+}
+
/*
* MMC_SWITCH argument format:
*
--
2.32.0
