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| author | Wenchao Chen <wenchao.chen@unisoc.com> | 2023-11-15 16:34:06 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2023-11-23 18:04:17 +0100 |
| commit | 477865af60b2117ceaa1d558e03559108c15c78c (patch) | |
| tree | 531a2296c234faac9fee71d1e1fbd444ca4a2b0c /include/linux/pci.h | |
| parent | d9ed644f58670865cf067351deb71010bd87a52f (diff) | |
| download | lwn-477865af60b2117ceaa1d558e03559108c15c78c.tar.gz lwn-477865af60b2117ceaa1d558e03559108c15c78c.zip | |
mmc: sdhci-sprd: Fix vqmmc not shutting down after the card was pulled
With cat regulator_summary, we found that vqmmc was not shutting
down after the card was pulled.
cat /sys/kernel/debug/regulator/regulator_summary
1.before fix
1)Insert SD card
vddsdio 1 1 0 unknown 3500mV 0mA 1200mV 3750mV
71100000.mmc-vqmmc 1 0mA 3500mV 3600mV
2)Pull out the SD card
vddsdio 1 1 0 unknown 3500mV 0mA 1200mV 3750mV
71100000.mmc-vqmmc 1 0mA 3500mV 3600mV
2.after fix
1)Insert SD cardt
vddsdio 1 1 0 unknown 3500mV 0mA 1200mV 3750mV
71100000.mmc-vqmmc 1 0mA 3500mV 3600mV
2)Pull out the SD card
vddsdio 0 1 0 unknown 3500mV 0mA 1200mV 3750mV
71100000.mmc-vqmmc 0 0mA 3500mV 3600mV
Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller")
Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231115083406.7368-1-wenchao.chen@unisoc.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/pci.h')
0 files changed, 0 insertions, 0 deletions