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Code Issues Releases Wiki Activity

mmc: sdhci: Fix the SD tuning issue that the SDHCI_TRANSFER_MODE is cleared incorrectly

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When cmd->opcode == MMC_SEND_TUNING_BLOCK, the SDHCI_TRANSFER_MODE
should also be kept

Signed-off-by: Charl Liu <charl.liu@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221111122314.307-1-charl.liu@bayhubtech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Charl Liu 2022-11-11 04:23:14 -08:00 committed by Ulf Hansson
parent 43c487c28f
commit 63abdf7237
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/sdhci.c
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@ -1452,7 +1452,7 @@ 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 */