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mmc: sdhci: set to INT_DATA_END when there are data

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>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Tested-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>
Jaehoon Chung 9 년 전
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1개의 변경된 파일2개의 추가작업 그리고 1개의 파일을 삭제
  1. 2 1
      drivers/mmc/sdhci.c

+ 2 - 1
drivers/mmc/sdhci.c

@@ -184,7 +184,8 @@ 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;