diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-28 03:54:49 +0400 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-28 03:54:49 +0400 |
commit | e4f5a3adc454745fea35f1c312e14cbeba6e0ea4 (patch) | |
tree | 7dae08f7d3466fcf158808784ec3b706e6cafec6 /arch/sh | |
parent | ae6208301e1e37a203fab817b59279a0f5d774c6 (diff) | |
parent | a8e39c35b5d09598e129aa9b5e6f35aa3a1915d9 (diff) | |
download | linux-e4f5a3adc454745fea35f1c312e14cbeba6e0ea4.tar.xz |
Merge branch 'pm-cpuidle'
* pm-cpuidle: (51 commits)
cpuidle: add maintainer entry
ARM: s3c64xx: cpuidle: use init/exit common routine
SH: cpuidle: use init/exit common routine
cpuidle: fix comment format
ARM: imx: cpuidle: use init/exit common routine
ARM: davinci: cpuidle: use init/exit common routine
ARM: kirkwood: cpuidle: use init/exit common routine
ARM: calxeda: cpuidle: use init/exit common routine
ARM: tegra: cpuidle: use init/exit common routine for tegra3
ARM: tegra: cpuidle: use init/exit common routine for tegra2
ARM: OMAP4: cpuidle: use init/exit common routine
ARM: shmobile: cpuidle: use init/exit common routine
ARM: tegra: cpuidle: use init/exit common routine
ARM: OMAP3: cpuidle: use init/exit common routine
ARM: at91: cpuidle: use init/exit common routine
ARM: ux500: cpuidle: use init/exit common routine
cpuidle: make a single register function for all
ARM: ux500: cpuidle: replace for_each_online_cpu by for_each_possible_cpu
cpuidle: remove en_core_tk_irqen flag
ARM: OMAP3: remove cpuidle_wrap_enter
...
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/include/asm/suspend.h | 4 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/shmobile/cpuidle.c | 101 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/shmobile/pm.c | 3 |
3 files changed, 45 insertions, 63 deletions
diff --git a/arch/sh/include/asm/suspend.h b/arch/sh/include/asm/suspend.h index e14567a7e9a1..70ae0b2888ab 100644 --- a/arch/sh/include/asm/suspend.h +++ b/arch/sh/include/asm/suspend.h @@ -14,9 +14,9 @@ struct swsusp_arch_regs { void sh_mobile_call_standby(unsigned long mode); #ifdef CONFIG_CPU_IDLE -void sh_mobile_setup_cpuidle(void); +int sh_mobile_setup_cpuidle(void); #else -static inline void sh_mobile_setup_cpuidle(void) {} +static inline int sh_mobile_setup_cpuidle(void) { return 0; } #endif /* notifier chains for pre/post sleep hooks */ diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c index 1ddc876d3b26..d30622592116 100644 --- a/arch/sh/kernel/cpu/shmobile/cpuidle.c +++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c @@ -51,70 +51,53 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev, return k; } -static struct cpuidle_device cpuidle_dev; static struct cpuidle_driver cpuidle_driver = { - .name = "sh_idle", - .owner = THIS_MODULE, - .en_core_tk_irqen = 1, + .name = "sh_idle", + .owner = THIS_MODULE, + .states = { + { + .exit_latency = 1, + .target_residency = 1 * 2, + .power_usage = 3, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = cpuidle_sleep_enter, + .name = "C1", + .desc = "SuperH Sleep Mode", + }, + { + .exit_latency = 100, + .target_residency = 1 * 2, + .power_usage = 1, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = cpuidle_sleep_enter, + .name = "C2", + .desc = "SuperH Sleep Mode [SF]", + .disabled = true, + }, + { + .exit_latency = 2300, + .target_residency = 1 * 2, + .power_usage = 1, + .flags = CPUIDLE_FLAG_TIME_VALID, + .enter = cpuidle_sleep_enter, + .name = "C3", + .desc = "SuperH Mobile Standby Mode [SF]", + .disabled = true, + }, + }, + .safe_state_index = 0, + .state_count = 3, }; -void sh_mobile_setup_cpuidle(void) +int __init sh_mobile_setup_cpuidle(void) { - struct cpuidle_device *dev = &cpuidle_dev; - struct cpuidle_driver *drv = &cpuidle_driver; - struct cpuidle_state *state; - int i; + int ret; + if (sh_mobile_sleep_supported & SUSP_SH_SF) + cpuidle_driver.states[1].disabled = false; - for (i = 0; i < CPUIDLE_STATE_MAX; i++) { - drv->states[i].name[0] = '\0'; - drv->states[i].desc[0] = '\0'; - } + if (sh_mobile_sleep_supported & SUSP_SH_STANDBY) + cpuidle_driver.states[2].disabled = false; - i = CPUIDLE_DRIVER_STATE_START; - - state = &drv->states[i++]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C1"); - strncpy(state->desc, "SuperH Sleep Mode", CPUIDLE_DESC_LEN); - state->exit_latency = 1; - state->target_residency = 1 * 2; - state->power_usage = 3; - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - state->enter = cpuidle_sleep_enter; - - drv->safe_state_index = i-1; - - if (sh_mobile_sleep_supported & SUSP_SH_SF) { - state = &drv->states[i++]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); - strncpy(state->desc, "SuperH Sleep Mode [SF]", - CPUIDLE_DESC_LEN); - state->exit_latency = 100; - state->target_residency = 1 * 2; - state->power_usage = 1; - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - state->enter = cpuidle_sleep_enter; - } - - if (sh_mobile_sleep_supported & SUSP_SH_STANDBY) { - state = &drv->states[i++]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C3"); - strncpy(state->desc, "SuperH Mobile Standby Mode [SF]", - CPUIDLE_DESC_LEN); - state->exit_latency = 2300; - state->target_residency = 1 * 2; - state->power_usage = 1; - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - state->enter = cpuidle_sleep_enter; - } - - drv->state_count = i; - dev->state_count = i; - - cpuidle_register_driver(&cpuidle_driver); - - cpuidle_register_device(dev); + return cpuidle_register(&cpuidle_driver); } diff --git a/arch/sh/kernel/cpu/shmobile/pm.c b/arch/sh/kernel/cpu/shmobile/pm.c index 08d27fac8d08..ac37b7234f85 100644 --- a/arch/sh/kernel/cpu/shmobile/pm.c +++ b/arch/sh/kernel/cpu/shmobile/pm.c @@ -150,8 +150,7 @@ static const struct platform_suspend_ops sh_pm_ops = { static int __init sh_pm_init(void) { suspend_set_ops(&sh_pm_ops); - sh_mobile_setup_cpuidle(); - return 0; + return sh_mobile_setup_cpuidle(); } late_initcall(sh_pm_init); |