mmc: sdhci: Handle execute tuning command in sdhci_send_command

This patch upadted sdhci_send_command to handle execute tuning
command.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index d7acab1f85b3d84b3302f92538daf39025ed6bea..d92f6db37414a70f498344f6049d875312997b3b 100644 (file)
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -160,7 +160,8 @@ 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) {
@@ -182,6 +183,9 @@ 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)
@@ -197,7 +201,7 @@ 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 */