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@xxxxxxxxxxx>
---
arch/arm/mach-exynos/suspend.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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();
--
2.17.1
