[U-Boot] [PATCH 1/2] mmc: sdhci: set to INT_DATA_END when there are data

Jaehoon Chung
2016-07-12T12:18:46Z

There is no data, it doesn't needs to wait for completing data transfer.
(It seems that it can be removed.)
Almost all timeout error is occured from stop command without data.
After applied this patch, I hope that we don't need to increase timeout value anymore.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---
drivers/mmc/sdhci.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 604f18d..0a38a56 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -175,7 +175,8 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
flags = SDHCI_CMD_RESP_LONG;
else if (cmd->resp_type & MMC_RSP_BUSY) {
flags = SDHCI_CMD_RESP_SHORT_BUSY;
- mask |= SDHCI_INT_DATA_END;
+ if (data)
+ mask |= SDHCI_INT_DATA_END;
} else
flags = SDHCI_CMD_RESP_SHORT;

--
1.9.1