From: Johan Rudholm <johan.rudholm@axis.com>
Date: Fri, 23 May 2014 14:15:03 +0000 (+0200)
Subject: mmc: sd: warn if card stays busy during init
X-Git-Tag: v4.14-rc1~7016^2~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5e863662add1fc00bf088dc381b787edc0a0de5b;p=platform%2Fkernel%2Flinux-rpi.git

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 274ef00..48d0c93 100644
--- 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];