diff options
Diffstat (limited to 'arch/arm/mach-tegra/cpuidle-t3.c')
| -rw-r--r-- | arch/arm/mach-tegra/cpuidle-t3.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/cpuidle-t3.c b/arch/arm/mach-tegra/cpuidle-t3.c index 8e0122f0bed8..fb51e25e75e9 100644 --- a/arch/arm/mach-tegra/cpuidle-t3.c +++ b/arch/arm/mach-tegra/cpuidle-t3.c @@ -293,14 +293,15 @@ static void tegra3_idle_enter_lp2_cpu_n(struct cpuidle_device *dev, { #ifdef CONFIG_SMP ktime_t entery_time; - u32 twd_cnt; - u32 twd_ctrl = readl(twd_base + TWD_TIMER_CONTROL); + struct tegra_twd_context twd_context; unsigned long twd_rate = clk_get_rate(twd_clk); - if ((twd_ctrl & TWD_TIMER_CONTROL_ENABLE) && - (twd_ctrl & TWD_TIMER_CONTROL_IT_ENABLE)) { - twd_cnt = readl(twd_base + TWD_TIMER_COUNTER); - request = div_u64((u64)twd_cnt * 1000000, twd_rate); + if (!tegra_twd_get_state(&twd_context)) { + if ((twd_context.twd_ctrl & TWD_TIMER_CONTROL_ENABLE) && + (twd_context.twd_ctrl & TWD_TIMER_CONTROL_IT_ENABLE)) { + request = div_u64((u64)twd_context.twd_cnt * 1000000, + twd_rate); + } } if (request < tegra_lp2_exit_latency) { |