diff options
Diffstat (limited to 'arch/arm/mach-tegra/pm.c')
| -rw-r--r-- | arch/arm/mach-tegra/pm.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index 9049e37ca05a..d251e57626aa 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -3,7 +3,7 @@ * * CPU complex suspend & resume functions for Tegra SoCs * - * Copyright (c) 2009-2012, NVIDIA Corporation. + * Copyright (c) 2009-2012, NVIDIA Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -546,17 +546,27 @@ bool tegra_set_cpu_in_lp2(int cpu) return last_cpu; } +bool tegra_is_cpu_in_lp2(int cpu) +{ + bool in_lp2; + + spin_lock(&tegra_lp2_lock); + in_lp2 = cpumask_test_cpu(cpu, &tegra_in_lp2); + spin_unlock(&tegra_lp2_lock); + return in_lp2; +} + static void tegra_sleep_core(enum tegra_suspend_mode mode, unsigned long v2p) { #ifdef CONFIG_TRUSTED_FOUNDATIONS if (mode == TEGRA_SUSPEND_LP0) { - tegra_generic_smc(0xFFFFFFFC, 0xFFFFFFE3, - virt_to_phys(tegra_resume)); + tegra_generic_smc_uncached(0xFFFFFFFC, 0xFFFFFFE3, + virt_to_phys(tegra_resume)); } else { - tegra_generic_smc(0xFFFFFFFC, 0xFFFFFFE6, - (TEGRA_RESET_HANDLER_BASE + - tegra_cpu_reset_handler_offset)); + tegra_generic_smc_uncached(0xFFFFFFFC, 0xFFFFFFE6, + (TEGRA_RESET_HANDLER_BASE + + tegra_cpu_reset_handler_offset)); } #endif #ifdef CONFIG_ARCH_TEGRA_2x_SOC @@ -569,9 +579,9 @@ static void tegra_sleep_core(enum tegra_suspend_mode mode, static inline void tegra_sleep_cpu(unsigned long v2p) { #ifdef CONFIG_TRUSTED_FOUNDATIONS - tegra_generic_smc(0xFFFFFFFC, 0xFFFFFFE4, - (TEGRA_RESET_HANDLER_BASE + - tegra_cpu_reset_handler_offset)); + tegra_generic_smc_uncached(0xFFFFFFFC, 0xFFFFFFE4, + (TEGRA_RESET_HANDLER_BASE + + tegra_cpu_reset_handler_offset)); #endif tegra_sleep_cpu_save(v2p); } |