[U-Boot] [PATCH v2 2/7] mmc: sdhci: Handle execute tuning command in sdhci_send_command

[Siva Durga Prasad Paladugu]

This patch upadted sdhci_send_command to handle execute tuning
command.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
---
 drivers/mmc/sdhci.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 2bd721f..8239079 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -161,7 +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)
+	if ((cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) ||
+	    (cmd->cmdidx ==  MMC_CMD_SEND_TUNING_BLOCK))
 		mask &= ~SDHCI_DATA_INHIBIT;
 
 	while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {
@@ -183,6 +184,9 @@ 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)
+		mask = SDHCI_INT_DATA_AVAIL;
+
 	if (!(cmd->resp_type & MMC_RSP_PRESENT))
 		flags = SDHCI_CMD_RESP_NONE;
 	else if (cmd->resp_type & MMC_RSP_136)
@@ -198,7 +202,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 		flags |= SDHCI_CMD_CRC;
 	if (cmd->resp_type & MMC_RSP_OPCODE)
 		flags |= SDHCI_CMD_INDEX;
-	if (data)
+	if (data || (cmd->cmdidx ==  MMC_CMD_SEND_TUNING_BLOCK))
 		flags |= SDHCI_CMD_DATA;
 
 	/* Set Transfer mode regarding to data flag */
-- 
2.7.4