Hi All, Exynos5250 uses generic cpufreq-dt driver since v4.3 kernel release. This change however broke suspend/resume support if cpufreq support is enabled, because CPU boots at 1GHz after suspend/resume cycle, what needs proper configuration of CPU voltage regulators. Previously used exynos-cpufreq driver stored initial boot CPU operation point and switched to it for the suspend/resume cycle. To achieve similar result with generic cpufreq-dt driver, the 1GHz operation point has to be specially marked as 'suspend opp'. This is possible only in v2 of the OPP bindings, so convert exynos5250.dtsi first to the newer version of the binding. Best regards Marek Szyprowski Patch summary: Marek Szyprowski (2): ARM: dts: exynos: Convert exynos5250.dtsi to opp-v2 bindings ARM: dts: exynos: Mark 1GHz CPU OPP as suspend OPP arch/arm/boot/dts/exynos5250.dtsi | 131 ++++++++++++++++++++---------- 1 file changed, 89 insertions(+), 42 deletions(-) -- 2.17.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
