[BACKPORT,4.4.y,07/25] mmc: sanitize 'bus width' in debug output

Message ID 20190322154425.3852517-8-arnd@arndb.de
State New
Headers show
Series
  • [BACKPORT,4.4.y,01/25] mmc: pwrseq: constify mmc_pwrseq_ops structures
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Commit Message

Arnd Bergmann March 22, 2019, 3:43 p.m.
From: Wolfram Sang <wsa+renesas@sang-engineering.com>


The bus width is sometimes the actual bus width, and sometimes indices
to different arrays encoding the bus width. In my debugging case "2"
could mean 8-bit as well as 4-bit, which was extremly confusing. Let's
use the human-readable actual bus width in all places.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

(cherry picked from commit ed9feec72fc1fa194ebfdb79e14561b35decce63)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/mmc/core/core.c | 2 +-
 drivers/mmc/core/mmc.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

-- 
2.20.0

Patch

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 299a83f1ad38..e2e927d1f7e4 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1039,7 +1039,7 @@  static inline void mmc_set_ios(struct mmc_host *host)
 		"width %u timing %u\n",
 		 mmc_hostname(host), ios->clock, ios->bus_mode,
 		 ios->power_mode, ios->chip_select, ios->vdd,
-		 ios->bus_width, ios->timing);
+		 1 << ios->bus_width, ios->timing);
 
 	host->ops->set_ios(host, ios);
 }
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index adc3291e9d6a..7286d0d324e1 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -952,7 +952,7 @@  static int mmc_select_bus_width(struct mmc_card *card)
 			break;
 		} else {
 			pr_warn("%s: switch to bus width %d failed\n",
-				mmc_hostname(host), ext_csd_bits[idx]);
+				mmc_hostname(host), 1 << bus_width);
 		}
 	}