[PATCH v6 4/5] mmc: debugfs: add HS400 enhanced strobe description

Shawn Lin shawn.lin at rock-chips.com
Wed May 25 18:56:30 PDT 2016

We introduce HS400 with enhanced strobe function, so we need
to add it for debug show.

Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>

Reviewed-by: Douglas Anderson <dianders at chromium.org>
Tested-by: Douglas Anderson <dianders at chromium.org>
Tested-by: Jaehoon Chung <jh80.chung at samsung.com>

Changes in v6:
- add Doug's review-test-tag and Jaehoon's test-tag
- a minor string assignment

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/mmc/core/debugfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 9382a57..c8451ce 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -148,7 +148,8 @@ static int mmc_ios_show(struct seq_file *s, void *data)
 		str = "mmc HS200";
 	case MMC_TIMING_MMC_HS400:
-		str = "mmc HS400";
+		str = mmc_card_hs400es(host->card) ?
+			"mmc HS400 enhanced strobe" : "mmc HS400";
 		str = "invalid";

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