5.15-stable review patch. If anyone has any objections, please let me know.
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From: Paul Cercueil paul@crapouillou.net
[ Upstream commit 84228d5e29dbc7a6be51e221000e1d122125826c ]
The kernel hangs for a good 12 seconds without any info being printed to dmesg, very early in the boot process, if this regulator is not enabled.
Force-enable it to work around this issue, until we know more about the underlying problem.
Signed-off-by: Paul Cercueil paul@crapouillou.net Fixes: 8620cc2f99b7 ("ARM: dts: exynos: Add devicetree file for the Galaxy S2") Cc: stable@vger.kernel.org # v5.8+ Link: https://lore.kernel.org/r/20231206221556.15348-2-paul@crapouillou.net Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/boot/dts/exynos4210-i9100.dts | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts index 93880bdbcad9..8232d843bfe0 100644 --- a/arch/arm/boot/dts/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/exynos4210-i9100.dts @@ -520,6 +520,14 @@ vtcam_reg: LDO12 { regulator-name = "VT_CAM_1.8V"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + + /* + * Force-enable this regulator; otherwise the + * kernel hangs very early in the boot process + * for about 12 seconds, without apparent + * reason. + */ + regulator-always-on; };
vcclcd_reg: LDO13 {