[U-Boot] [UBOOT PATCH v3 2/7] mmc: sdhci: Handle execute tuning command in sdhci_send_command

[Siva Durga Prasad Paladugu]

From: Siva Durga Prasad Paladugu <sivadur at xilinx.com>

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 73d17d7..2ce3b57 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

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