diff options
Diffstat (limited to 'arch/arm/mach-tegra/cpuidle-t3.c')
| -rw-r--r-- | arch/arm/mach-tegra/cpuidle-t3.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm/mach-tegra/cpuidle-t3.c b/arch/arm/mach-tegra/cpuidle-t3.c index 4f2208b7ff61..7ea1657dff6b 100644 --- a/arch/arm/mach-tegra/cpuidle-t3.c +++ b/arch/arm/mach-tegra/cpuidle-t3.c @@ -266,6 +266,14 @@ static void tegra3_idle_enter_lp2_cpu_n(struct cpuidle_device *dev, s64 sleep_time = request - tegra_lp2_exit_latency; struct tegra_twd_context twd_context; + if (request < tegra_lp2_exit_latency) { + /* + * Not enough time left to enter LP2 + */ + tegra_cpu_wfi(); + return; + } + tegra_lp2_set_trigger(sleep_time); idle_stats.tear_down_count[cpu_number(dev->cpu)]++; @@ -278,13 +286,7 @@ static void tegra3_idle_enter_lp2_cpu_n(struct cpuidle_device *dev, tegra_twd_suspend(&twd_context); - flush_cache_all(); - barrier(); -/* !!!FIXME!!! __cortex_a9_save(0); */ - /* CPUn is powergated */ - - /* CPUn woke up */ - barrier(); + tegra3_sleep_cpu_secondary(PLAT_PHYS_OFFSET - PAGE_OFFSET); tegra_cpu_wake_by_time[dev->cpu] = LLONG_MAX; |