From: Siva Durga Prasad Paladugu sivadur@xilinx.com
This patch upadted sdhci_send_command to handle execute tuning command.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@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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