Message ID | 20190218143412.6865-2-m.szyprowski@samsung.com |
---|---|
State | New |
Headers | show |
Series | Odroid XU3/4: add system suspend/resume support | expand |
On Mon, Feb 18, 2019 at 03:34:09PM +0100, Marek Szyprowski wrote: > Reset the CPU state entry in sysram in pm_prepare() callback. That entry > doesn't need to be reset for every suspended CPU, so make it symmetic > with the code, which restores it in pm_resume() callback. > > Tested on Samsung Chromebook2 Pit (Exynos5420) and Pi (Exynos5800) > boards. > > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > --- > arch/arm/mach-exynos/suspend.c | 3 +-- Thanks, applied. Best regards, Krzysztof
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 0850505ac78b..c1e082ab2a1e 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -265,8 +265,6 @@ static int exynos5420_cpu_suspend(unsigned long arg) unsigned int cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); unsigned int cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); - writel_relaxed(0x0, pm_state.sysram_base + EXYNOS5420_CPU_STATE); - if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM)) { mcpm_set_entry_vector(cpu, cluster, exynos_cpu_resume); mcpm_cpu_suspend(); @@ -341,6 +339,7 @@ static void exynos5420_pm_prepare(void) */ pm_state.cpu_state = readl_relaxed(pm_state.sysram_base + EXYNOS5420_CPU_STATE); + writel_relaxed(0x0, pm_state.sysram_base + EXYNOS5420_CPU_STATE); exynos_pm_enter_sleep_mode();
Reset the CPU state entry in sysram in pm_prepare() callback. That entry doesn't need to be reset for every suspended CPU, so make it symmetic with the code, which restores it in pm_resume() callback. Tested on Samsung Chromebook2 Pit (Exynos5420) and Pi (Exynos5800) boards. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- arch/arm/mach-exynos/suspend.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -- 2.17.1