From: Siva Durga Prasad Paladugu <siva.durga.palad...@xilinx.com>
This patch fixes the mmc tuning command failures
when tuning pattern data needs to read back for
comparision against the expected bit pattern.
Reported-by: Masahiro Yamada <yamada.masah...@socionext.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.palad...@xilinx.com>
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
Changes in v2:
- Fixed typo and added Reported-by
drivers/mmc/sdhci.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 40e28abda67f..cdeba914f95c 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -161,8 +161,8 @@ static int sdhci_send_command(struct mmc *mmc, struct
mmc_cmd *cmd,
/* We shouldn't wait for data inihibit for stop commands, even
though they might use busy signaling */
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION ||
- cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||
- cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200)
+ ((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||
+ cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200) && !data))
mask &= ~SDHCI_DATA_INHIBIT;
while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {
@@ -184,8 +184,8 @@ static int sdhci_send_command(struct mmc *mmc, struct
mmc_cmd *cmd,
sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS);
mask = SDHCI_INT_RESPONSE;
- if (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||
- cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200)
+ if ((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||
+ cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200) && !data)
mask = SDHCI_INT_DATA_AVAIL;
if (!(cmd->resp_type & MMC_RSP_PRESENT))
--
1.9.1
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