mmc: sdhci: change data transfer failure into debug message

During the tuning, drivers repeat data transfer, changing timing
parameters in the controller hardware.  So, the tuning commands
(CMD19 for SD, CMD21 for eMMC) fail, and this is not a problem
at all.

Showing "Error detected..." in normal operation just make users
upset.  This should not be shown.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 243e0e50f5e646db810ca55d95b85fe34bad23eb..d31793a7b793df083bfc5491fecb40e71608798f 100644 (file)
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -86,8 +86,8 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
        do {
                stat = sdhci_readl(host, SDHCI_INT_STATUS);
                if (stat & SDHCI_INT_ERROR) {
-                       printf("%s: Error detected in status(0x%X)!\n",
-                              __func__, stat);
+                       pr_debug("%s: Error detected in status(0x%X)!\n",
+                                __func__, stat);
                        return -EIO;
                }
                if (!transfer_done && (stat & rdy)) {