diff options
Diffstat (limited to 'arch/arm/mach-tegra/pm.c')
| -rw-r--r-- | arch/arm/mach-tegra/pm.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index 523604de666..04a8e06f59a 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -46,26 +46,11 @@ #define PMC_CPUPWROFF_TIMER 0xcc #ifdef CONFIG_PM_SLEEP -static unsigned int g_diag_reg; static DEFINE_SPINLOCK(tegra_lp2_lock); static void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); static struct clk *tegra_pclk; void (*tegra_tear_down_cpu)(void); -void save_cpu_arch_register(void) -{ - /* read diagnostic register */ - asm("mrc p15, 0, %0, c15, c0, 1" : "=r"(g_diag_reg) : : "cc"); - return; -} - -void restore_cpu_arch_register(void) -{ - /* write diagnostic register */ - asm("mcr p15, 0, %0, c15, c0, 1" : : "r"(g_diag_reg) : "cc"); - return; -} - static void set_power_timers(unsigned long us_on, unsigned long us_off) { unsigned long long ticks; @@ -119,8 +104,6 @@ static void restore_cpu_complex(void) tegra_cpu_clock_resume(); flowctrl_cpu_suspend_exit(cpu); - - restore_cpu_arch_register(); } /* @@ -145,8 +128,6 @@ static void suspend_cpu_complex(void) tegra_cpu_clock_suspend(); flowctrl_cpu_suspend_enter(cpu); - - save_cpu_arch_register(); } void tegra_clear_cpu_in_lp2(int phy_cpu_id) @@ -181,6 +162,11 @@ bool tegra_set_cpu_in_lp2(int phy_cpu_id) return last_cpu; } +int tegra_cpu_do_idle(void) +{ + return cpu_do_idle(); +} + static int tegra_sleep_cpu(unsigned long v2p) { /* Switch to the identity mapping. */ |