diff options
Diffstat (limited to 'arch/mips/loongson64/common/pm.c')
-rw-r--r-- | arch/mips/loongson64/common/pm.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/arch/mips/loongson64/common/pm.c b/arch/mips/loongson64/common/pm.c index b8aed878d912..7c8556f09781 100644 --- a/arch/mips/loongson64/common/pm.c +++ b/arch/mips/loongson64/common/pm.c @@ -60,56 +60,6 @@ void __weak setup_wakeup_events(void) { } -/* - * Check wakeup events - */ -int __weak wakeup_loongson(void) -{ - return 1; -} - -/* - * If the events are really what we want to wakeup the CPU, wake it up - * otherwise put the CPU asleep again. - */ -static void wait_for_wakeup_events(void) -{ - while (!wakeup_loongson()) - LOONGSON_CHIPCFG(0) &= ~0x7; -} - -/* - * Stop all perf counters - * - * $24 is the control register of Loongson perf counter - */ -static inline void stop_perf_counters(void) -{ - __write_64bit_c0_register($24, 0, 0); -} - - -static void loongson_suspend_enter(void) -{ - static unsigned int cached_cpu_freq; - - /* setup wakeup events via enabling the IRQs */ - setup_wakeup_events(); - - stop_perf_counters(); - - cached_cpu_freq = LOONGSON_CHIPCFG(0); - - /* Put CPU into wait mode */ - LOONGSON_CHIPCFG(0) &= ~0x7; - - /* wait for the given events to wakeup cpu from wait mode */ - wait_for_wakeup_events(); - - LOONGSON_CHIPCFG(0) = cached_cpu_freq; - mmiowb(); -} - void __weak mach_suspend(void) { } @@ -122,9 +72,6 @@ static int loongson_pm_enter(suspend_state_t state) { mach_suspend(); - /* processor specific suspend */ - loongson_suspend_enter(); - mach_resume(); return 0; |