From b88a7a4c5618565dfa2a913c0980b51dc96932cb Mon Sep 17 00:00:00 2001
From: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Date: Thu, 19 Apr 2018 12:37:05 +0530
Subject: [PATCH] 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>
---
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 d7acab1f85..d92f6db374 100644
--- 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 */
--
2.39.5