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authorSiva Durga Prasad Paladugu <sivadur@xilinx.com>2018-04-19 12:37:05 +0530
committerMichal Simek <michal.simek@xilinx.com>2018-05-11 09:38:27 +0200
commitb88a7a4c5618565dfa2a913c0980b51dc96932cb (patch)
treebc319bb5c871504150280142c34766198cbf6a71 /drivers/mmc
parent2a2d7efe77f771e2776de6b360be264de12818d8 (diff)
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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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/sdhci.c8
1 files 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 */