mmc: sd: warn if card stays busy during init

The initialization of some SD-cards fails because the card never
leaves the busy state. Aid trouble shooting by indicating this in the
kernel log.

Signed-off-by: Johan Rudholm <johanru@axis.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 274ef00b44639149c3d43c24effffd400fa5ba69..48d0c93ba25a36590ac6e2c786c4ca923d35cde1 100644 (file)
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -184,6 +184,9 @@ int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
                mmc_delay(10);
        }
 
+       if (!i)
+               pr_err("%s: card never left busy state\n", mmc_hostname(host));
+
        if (rocr && !mmc_host_is_spi(host))
                *rocr = cmd.resp[0];