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

Rob Herring
2011-06-11T21:46:47Z

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