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authorShawn Lin <shawn.lin@rock-chips.com>2015-09-22 04:20:08 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2015-10-26 17:59:58 +0300
commitd1f23f9304f303e15200c8b7940eeeeb1a1c8c6a (patch)
treed926da513f75b44e6842f2b6542e3826a22c61df /drivers
parentb73f34c22d283f049347f7f625c272ec22830eb3 (diff)
downloadlinux-d1f23f9304f303e15200c8b7940eeeeb1a1c8c6a.tar.xz
mmc: debugfs: implement ios show for driver type
This patch add ios->drv_type for mmc_ios_show to show the card's driver type. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/core/debugfs.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index e9142108a6c6..9adba8d55980 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -166,6 +166,25 @@ static int mmc_ios_show(struct seq_file *s, void *data)
}
seq_printf(s, "signal voltage:\t%u (%s)\n", ios->chip_select, str);
+ switch (ios->drv_type) {
+ case MMC_SET_DRIVER_TYPE_A:
+ str = "driver type A";
+ break;
+ case MMC_SET_DRIVER_TYPE_B:
+ str = "driver type B";
+ break;
+ case MMC_SET_DRIVER_TYPE_C:
+ str = "driver type C";
+ break;
+ case MMC_SET_DRIVER_TYPE_D:
+ str = "driver type D";
+ break;
+ default:
+ str = "invalid";
+ break;
+ }
+ seq_printf(s, "driver type:\t%u (%s)\n", ios->drv_type, str);
+
return 0;
}