diff options
| -rw-r--r-- | arch/arm/mach-tegra/tegra20-pmc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra20-pmc.c b/arch/arm/mach-tegra/tegra20-pmc.c index 4cd01ffc29..dcd2978109 100644 --- a/arch/arm/mach-tegra/tegra20-pmc.c +++ b/arch/arm/mach-tegra/tegra20-pmc.c @@ -53,6 +53,8 @@ static int tegra_powergate_set(int id, bool new_state) } writel(PMC_PWRGATE_TOGGLE_START | id, pmc_base + PMC_PWRGATE_TOGGLE); + /* I don't know exactly why this is needed, seems to flush the write */ + readl(pmc_base + PMC_PWRGATE_TOGGLE); return 0; } |