diff options
| -rw-r--r-- | arch/arm/mach-tegra/pm.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/reset-handler.S | 7 | ||||
| -rw-r--r-- | drivers/cpuidle/cpuidle-tegra.c | 1 |
3 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index d1e1a61b12cf..6452ebf68d40 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -216,6 +216,8 @@ int tegra_pm_enter_lp2(void) restore_cpu_complex(); cpu_cluster_pm_exit(); + call_firmware_op(prepare_idle, TF_PM_MODE_NONE); + return err; } @@ -391,6 +393,8 @@ static int tegra_suspend_enter(suspend_state_t state) local_fiq_enable(); + call_firmware_op(prepare_idle, TF_PM_MODE_NONE); + return 0; } diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 53123ae4ac3b..06ca44b09381 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -98,7 +98,12 @@ ENTRY(tegra_resume_trusted_foundations) reteq lr .arch_extension sec - /* First call after suspend wakes firmware. No arguments required. */ + /* + * First call after suspend wakes firmware. No arguments required + * for some firmware versions. Downstream kernel of ASUS TF300T uses + * r0=3 for the wake-up notification. + */ + mov r0, #3 smc #0 b cpu_resume diff --git a/drivers/cpuidle/cpuidle-tegra.c b/drivers/cpuidle/cpuidle-tegra.c index 313b0290e97b..150045849d78 100644 --- a/drivers/cpuidle/cpuidle-tegra.c +++ b/drivers/cpuidle/cpuidle-tegra.c @@ -365,7 +365,6 @@ static int tegra_cpuidle_probe(struct platform_device *pdev) break; case TEGRA30: - tegra_cpuidle_disable_state(TEGRA_CC6); break; case TEGRA114: |