Messages in this thread Patch in this message | | | From | Charl Liu <> | Subject | [PATCH V1 1/1] mmc:sdhci:Fix the SD tuning CMD parameter issue that the SDHCI_TRANSFER_MODE is cleared from read direction to write direction incorrectly | Date | Wed, 20 Jul 2022 05:37:37 -0700 |
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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> --- Change in V1: Keeping the SDHCI_TRANSFER_MODE when cmd->opcode == MMC_END_TUNING_ BLOCK --- drivers/mmc/host/sdhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 22152029e14c..6a0f6725dadb 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1430,7 +1430,8 @@ 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 ((cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200) && + (cmd->opcode != MMC_SEND_TUNING_BLOCK)) sdhci_writew(host, 0x0, SDHCI_TRANSFER_MODE); } else { /* clear Auto CMD settings for no data CMDs */ -- 2.32.0
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