[U-Boot] [PATCH 3/8] mmc: sdhci: exit cmd on error status

[Rob Herring <robherring2@gmail.com>]

From: Rob Herring <rob.herring@calxeda.com>

If the controller has an error condition, then stop polling for command
complete and exit mmc_send_cmd.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
---
 drivers/mmc/sdhci.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index c82bde0..0a5b30d 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -206,6 +206,10 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 				writel(mask, &host->reg->norintsts);
 			break;
 		}
+		if (mask & (1 << 15)) {
+			writel(mask, &host->reg->norintsts);
+			return -1;
+		}
 	}
 
 	if (i == retry) {
-- 
1.7.4.1