diff options
-rw-r--r-- | arch/arm/mach-tegra/cpuidle-tegra114.c | 4 | ||||
-rw-r--r-- | drivers/acpi/processor_idle.c | 6 | ||||
-rw-r--r-- | drivers/cpuidle/cpuidle.c | 18 | ||||
-rw-r--r-- | drivers/cpuidle/dt_idle_states.c | 4 | ||||
-rw-r--r-- | drivers/idle/intel_idle.c | 180 | ||||
-rw-r--r-- | include/linux/cpuidle.h | 8 | ||||
-rw-r--r-- | kernel/sched/idle.c | 2 |
7 files changed, 111 insertions, 111 deletions
diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c index d3aa9be16621..e3fbcfedf845 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra114.c +++ b/arch/arm/mach-tegra/cpuidle-tegra114.c @@ -60,7 +60,7 @@ static int tegra114_idle_power_down(struct cpuidle_device *dev, return index; } -static void tegra114_idle_enter_freeze(struct cpuidle_device *dev, +static void tegra114_idle_enter_s2idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { @@ -77,7 +77,7 @@ static struct cpuidle_driver tegra_idle_driver = { #ifdef CONFIG_PM_SLEEP [1] = { .enter = tegra114_idle_power_down, - .enter_freeze = tegra114_idle_enter_freeze, + .enter_s2idle = tegra114_idle_enter_s2idle, .exit_latency = 500, .target_residency = 1000, .flags = CPUIDLE_FLAG_TIMER_STOP, diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 5c8aa9cf62d7..a9eb9d654b7a 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -789,7 +789,7 @@ static int acpi_idle_enter(struct cpuidle_device *dev, return index; } -static void acpi_idle_enter_freeze(struct cpuidle_device *dev, +static void acpi_idle_enter_s2idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu); @@ -867,14 +867,14 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) drv->safe_state_index = count; } /* - * Halt-induced C1 is not good for ->enter_freeze, because it + * Halt-induced C1 is not good for ->enter_s2idle, because it * re-enables interrupts on exit. Moreover, C1 is generally not * particularly interesting from the suspend-to-idle angle, so * avoid C1 and the situations in which we may need to fall back * to it altogether. */ if (cx->type != ACPI_STATE_C1 && !acpi_idle_fallback_to_c1(pr)) - state->enter_freeze = acpi_idle_enter_freeze; + state->enter_s2idle = acpi_idle_enter_s2idle; count++; if (count == CPUIDLE_STATE_MAX) diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 60bb64f4329d..484cc8909d5c 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -77,7 +77,7 @@ static int find_deepest_state(struct cpuidle_driver *drv, struct cpuidle_device *dev, unsigned int max_latency, unsigned int forbidden_flags, - bool freeze) + bool s2idle) { unsigned int latency_req = 0; int i, ret = 0; @@ -89,7 +89,7 @@ static int find_deepest_state(struct cpuidle_driver *drv, if (s->disabled || su->disable || s->exit_latency <= latency_req || s->exit_latency > max_latency || (s->flags & forbidden_flags) - || (freeze && !s->enter_freeze)) + || (s2idle && !s->enter_s2idle)) continue; latency_req = s->exit_latency; @@ -128,7 +128,7 @@ int cpuidle_find_deepest_state(struct cpuidle_driver *drv, } #ifdef CONFIG_SUSPEND -static void enter_freeze_proper(struct cpuidle_driver *drv, +static void enter_s2idle_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { /* @@ -143,7 +143,7 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, * suspended is generally unsafe. */ stop_critical_timings(); - drv->states[index].enter_freeze(dev, drv, index); + drv->states[index].enter_s2idle(dev, drv, index); WARN_ON(!irqs_disabled()); /* * timekeeping_resume() that will be called by tick_unfreeze() for the @@ -155,25 +155,25 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, } /** - * cpuidle_enter_freeze - Enter an idle state suitable for suspend-to-idle. + * cpuidle_enter_s2idle - Enter an idle state suitable for suspend-to-idle. * @drv: cpuidle driver for the given CPU. * @dev: cpuidle device for the given CPU. * - * If there are states with the ->enter_freeze callback, find the deepest of + * If there are states with the ->enter_s2idle callback, find the deepest of * them and enter it with frozen tick. */ -int cpuidle_enter_freeze(struct cpuidle_driver *drv, struct cpuidle_device *dev) +int cpuidle_enter_s2idle(struct cpuidle_driver *drv, struct cpuidle_device *dev) { int index; /* - * Find the deepest state with ->enter_freeze present, which guarantees + * Find the deepest state with ->enter_s2idle present, which guarantees * that interrupts won't be enabled when it exits and allows the tick to * be frozen safely. */ index = find_deepest_state(drv, dev, UINT_MAX, 0, true); if (index > 0) - enter_freeze_proper(drv, dev, index); + enter_s2idle_proper(drv, dev, index); return index; } diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c index ae8eb0359889..5ba9fab64e7d 100644 --- a/drivers/cpuidle/dt_idle_states.c +++ b/drivers/cpuidle/dt_idle_states.c @@ -41,9 +41,9 @@ static int init_state_node(struct cpuidle_state *idle_state, /* * Since this is not a "coupled" state, it's safe to assume interrupts * won't be enabled when it exits allowing the tick to be frozen - * safely. So enter() can be also enter_freeze() callback. + * safely. So enter() can be also enter_s2idle() callback. */ - idle_state->enter_freeze = match_id->data; + idle_state->enter_s2idle = match_id->data; err = of_property_read_u32(state_node, "wakeup-latency-us", &idle_state->exit_latency); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index c2ae819a871c..474cc4330613 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -97,7 +97,7 @@ static const struct idle_cpu *icpu; static struct cpuidle_device __percpu *intel_idle_cpuidle_devices; static int intel_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); -static void intel_idle_freeze(struct cpuidle_device *dev, +static void intel_idle_s2idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); static struct cpuidle_state *cpuidle_state_table; @@ -132,7 +132,7 @@ static struct cpuidle_state nehalem_cstates[] = { .exit_latency = 3, .target_residency = 6, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -140,7 +140,7 @@ static struct cpuidle_state nehalem_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -148,7 +148,7 @@ static struct cpuidle_state nehalem_cstates[] = { .exit_latency = 20, .target_residency = 80, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -156,7 +156,7 @@ static struct cpuidle_state nehalem_cstates[] = { .exit_latency = 200, .target_residency = 800, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -169,7 +169,7 @@ static struct cpuidle_state snb_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -177,7 +177,7 @@ static struct cpuidle_state snb_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -185,7 +185,7 @@ static struct cpuidle_state snb_cstates[] = { .exit_latency = 80, .target_residency = 211, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -193,7 +193,7 @@ static struct cpuidle_state snb_cstates[] = { .exit_latency = 104, .target_residency = 345, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7", .desc = "MWAIT 0x30", @@ -201,7 +201,7 @@ static struct cpuidle_state snb_cstates[] = { .exit_latency = 109, .target_residency = 345, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -214,7 +214,7 @@ static struct cpuidle_state byt_cstates[] = { .exit_latency = 1, .target_residency = 1, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6N", .desc = "MWAIT 0x58", @@ -222,7 +222,7 @@ static struct cpuidle_state byt_cstates[] = { .exit_latency = 300, .target_residency = 275, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6S", .desc = "MWAIT 0x52", @@ -230,7 +230,7 @@ static struct cpuidle_state byt_cstates[] = { .exit_latency = 500, .target_residency = 560, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7", .desc = "MWAIT 0x60", @@ -238,7 +238,7 @@ static struct cpuidle_state byt_cstates[] = { .exit_latency = 1200, .target_residency = 4000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7S", .desc = "MWAIT 0x64", @@ -246,7 +246,7 @@ static struct cpuidle_state byt_cstates[] = { .exit_latency = 10000, .target_residency = 20000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -259,7 +259,7 @@ static struct cpuidle_state cht_cstates[] = { .exit_latency = 1, .target_residency = 1, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6N", .desc = "MWAIT 0x58", @@ -267,7 +267,7 @@ static struct cpuidle_state cht_cstates[] = { .exit_latency = 80, .target_residency = 275, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6S", .desc = "MWAIT 0x52", @@ -275,7 +275,7 @@ static struct cpuidle_state cht_cstates[] = { .exit_latency = 200, .target_residency = 560, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7", .desc = "MWAIT 0x60", @@ -283,7 +283,7 @@ static struct cpuidle_state cht_cstates[] = { .exit_latency = 1200, .target_residency = 4000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7S", .desc = "MWAIT 0x64", @@ -291,7 +291,7 @@ static struct cpuidle_state cht_cstates[] = { .exit_latency = 10000, .target_residency = 20000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -304,7 +304,7 @@ static struct cpuidle_state ivb_cstates[] = { .exit_latency = 1, .target_residency = 1, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -312,7 +312,7 @@ static struct cpuidle_state ivb_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -320,7 +320,7 @@ static struct cpuidle_state ivb_cstates[] = { .exit_latency = 59, .target_residency = 156, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -328,7 +328,7 @@ static struct cpuidle_state ivb_cstates[] = { .exit_latency = 80, .target_residency = 300, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7", .desc = "MWAIT 0x30", @@ -336,7 +336,7 @@ static struct cpuidle_state ivb_cstates[] = { .exit_latency = 87, .target_residency = 300, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -349,7 +349,7 @@ static struct cpuidle_state ivt_cstates[] = { .exit_latency = 1, .target_residency = 1, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -357,7 +357,7 @@ static struct cpuidle_state ivt_cstates[] = { .exit_latency = 10, .target_residency = 80, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -365,7 +365,7 @@ static struct cpuidle_state ivt_cstates[] = { .exit_latency = 59, .target_residency = 156, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -373,7 +373,7 @@ static struct cpuidle_state ivt_cstates[] = { .exit_latency = 82, .target_residency = 300, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -386,7 +386,7 @@ static struct cpuidle_state ivt_cstates_4s[] = { .exit_latency = 1, .target_residency = 1, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -394,7 +394,7 @@ static struct cpuidle_state ivt_cstates_4s[] = { .exit_latency = 10, .target_residency = 250, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -402,7 +402,7 @@ static struct cpuidle_state ivt_cstates_4s[] = { .exit_latency = 59, .target_residency = 300, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -410,7 +410,7 @@ static struct cpuidle_state ivt_cstates_4s[] = { .exit_latency = 84, .target_residency = 400, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -423,7 +423,7 @@ static struct cpuidle_state ivt_cstates_8s[] = { .exit_latency = 1, .target_residency = 1, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -431,7 +431,7 @@ static struct cpuidle_state ivt_cstates_8s[] = { .exit_latency = 10, .target_residency = 500, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -439,7 +439,7 @@ static struct cpuidle_state ivt_cstates_8s[] = { .exit_latency = 59, .target_residency = 600, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -447,7 +447,7 @@ static struct cpuidle_state ivt_cstates_8s[] = { .exit_latency = 88, .target_residency = 700, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -460,7 +460,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -468,7 +468,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -476,7 +476,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 33, .target_residency = 100, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -484,7 +484,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 133, .target_residency = 400, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7s", .desc = "MWAIT 0x32", @@ -492,7 +492,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 166, .target_residency = 500, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C8", .desc = "MWAIT 0x40", @@ -500,7 +500,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 300, .target_residency = 900, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C9", .desc = "MWAIT 0x50", @@ -508,7 +508,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 600, .target_residency = 1800, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C10", .desc = "MWAIT 0x60", @@ -516,7 +516,7 @@ static struct cpuidle_state hsw_cstates[] = { .exit_latency = 2600, .target_residency = 7700, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -528,7 +528,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -536,7 +536,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -544,7 +544,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 40, .target_residency = 100, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -552,7 +552,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 133, .target_residency = 400, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7s", .desc = "MWAIT 0x32", @@ -560,7 +560,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 166, .target_residency = 500, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C8", .desc = "MWAIT 0x40", @@ -568,7 +568,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 300, .target_residency = 900, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C9", .desc = "MWAIT 0x50", @@ -576,7 +576,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 600, .target_residency = 1800, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C10", .desc = "MWAIT 0x60", @@ -584,7 +584,7 @@ static struct cpuidle_state bdw_cstates[] = { .exit_latency = 2600, .target_residency = 7700, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -597,7 +597,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -605,7 +605,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C3", .desc = "MWAIT 0x10", @@ -613,7 +613,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 70, .target_residency = 100, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -621,7 +621,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 85, .target_residency = 200, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7s", .desc = "MWAIT 0x33", @@ -629,7 +629,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 124, .target_residency = 800, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C8", .desc = "MWAIT 0x40", @@ -637,7 +637,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 200, .target_residency = 800, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C9", .desc = "MWAIT 0x50", @@ -645,7 +645,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 480, .target_residency = 5000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C10", .desc = "MWAIT 0x60", @@ -653,7 +653,7 @@ static struct cpuidle_state skl_cstates[] = { .exit_latency = 890, .target_residency = 5000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -666,7 +666,7 @@ static struct cpuidle_state skx_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -674,7 +674,7 @@ static struct cpuidle_state skx_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -682,7 +682,7 @@ static struct cpuidle_state skx_cstates[] = { .exit_latency = 133, .target_residency = 600, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -695,7 +695,7 @@ static struct cpuidle_state atom_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C2", .desc = "MWAIT 0x10", @@ -703,7 +703,7 @@ static struct cpuidle_state atom_cstates[] = { .exit_latency = 20, .target_residency = 80, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C4", .desc = "MWAIT 0x30", @@ -711,7 +711,7 @@ static struct cpuidle_state atom_cstates[] = { .exit_latency = 100, .target_residency = 400, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x52", @@ -719,7 +719,7 @@ static struct cpuidle_state atom_cstates[] = { .exit_latency = 140, .target_residency = 560, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -731,7 +731,7 @@ static struct cpuidle_state tangier_cstates[] = { .exit_latency = 1, .target_residency = 4, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C4", .desc = "MWAIT 0x30", @@ -739,7 +739,7 @@ static struct cpuidle_state tangier_cstates[] = { .exit_latency = 100, .target_residency = 400, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x52", @@ -747,7 +747,7 @@ static struct cpuidle_state tangier_cstates[] = { .exit_latency = 140, .target_residency = 560, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7", .desc = "MWAIT 0x60", @@ -755,7 +755,7 @@ static struct cpuidle_state tangier_cstates[] = { .exit_latency = 1200, .target_residency = 4000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C9", .desc = "MWAIT 0x64", @@ -763,7 +763,7 @@ static struct cpuidle_state tangier_cstates[] = { .exit_latency = 10000, .target_residency = 20000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -775,7 +775,7 @@ static struct cpuidle_state avn_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x51", @@ -783,7 +783,7 @@ static struct cpuidle_state avn_cstates[] = { .exit_latency = 15, .target_residency = 45, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -795,7 +795,7 @@ static struct cpuidle_state knl_cstates[] = { .exit_latency = 1, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze }, + .enter_s2idle = intel_idle_s2idle }, { .name = "C6", .desc = "MWAIT 0x10", @@ -803,7 +803,7 @@ static struct cpuidle_state knl_cstates[] = { .exit_latency = 120, .target_residency = 500, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze }, + .enter_s2idle = intel_idle_s2idle }, { .enter = NULL } }; @@ -816,7 +816,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -824,7 +824,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -832,7 +832,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 133, .target_residency = 133, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C7s", .desc = "MWAIT 0x31", @@ -840,7 +840,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 155, .target_residency = 155, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C8", .desc = "MWAIT 0x40", @@ -848,7 +848,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 1000, .target_residency = 1000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C9", .desc = "MWAIT 0x50", @@ -856,7 +856,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 2000, .target_residency = 2000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C10", .desc = "MWAIT 0x60", @@ -864,7 +864,7 @@ static struct cpuidle_state bxt_cstates[] = { .exit_latency = 10000, .target_residency = 10000, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -877,7 +877,7 @@ static struct cpuidle_state dnv_cstates[] = { .exit_latency = 2, .target_residency = 2, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C1E", .desc = "MWAIT 0x01", @@ -885,7 +885,7 @@ static struct cpuidle_state dnv_cstates[] = { .exit_latency = 10, .target_residency = 20, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .name = "C6", .desc = "MWAIT 0x20", @@ -893,7 +893,7 @@ static struct cpuidle_state dnv_cstates[] = { .exit_latency = 50, .target_residency = 500, .enter = &intel_idle, - .enter_freeze = intel_idle_freeze, }, + .enter_s2idle = intel_idle_s2idle, }, { .enter = NULL } }; @@ -936,12 +936,12 @@ static __cpuidle int intel_idle(struct cpuidle_device *dev, } /** - * intel_idle_freeze - simplified "enter" callback routine for suspend-to-idle + * intel_idle_s2idle - simplified "enter" callback routine for suspend-to-idle * @dev: cpuidle_device * @drv: cpuidle driver * @index: state index */ -static void intel_idle_freeze(struct cpuidle_device *dev, +static void intel_idle_s2idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { unsigned long ecx = 1; /* break on interrupt flag */ @@ -1337,7 +1337,7 @@ static void __init intel_idle_cpuidle_driver_init(void) int num_substates, mwait_hint, mwait_cstate; if ((cpuidle_state_table[cstate].enter == NULL) && - (cpuidle_state_table[cstate].enter_freeze == NULL)) + (cpuidle_state_table[cstate].enter_s2idle == NULL)) break; if (cstate + 1 > max_cstate) { diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index fc1e5d7fc1c7..f0e2e9223e66 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -52,11 +52,11 @@ struct cpuidle_state { int (*enter_dead) (struct cpuidle_device *dev, int index); /* - * CPUs execute ->enter_freeze with the local tick or entire timekeeping + * CPUs execute ->enter_s2idle with the local tick or entire timekeeping * suspended, so it must not re-enable interrupts at any point (even * temporarily) or attempt to change states of clock event devices. */ - void (*enter_freeze) (struct cpuidle_device *dev, + void (*enter_s2idle) (struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); }; @@ -197,14 +197,14 @@ static inline struct cpuidle_device *cpuidle_get_device(void) {return NULL; } #ifdef CONFIG_CPU_IDLE extern int cpuidle_find_deepest_state(struct cpuidle_driver *drv, struct cpuidle_device *dev); -extern int cpuidle_enter_freeze(struct cpuidle_driver *drv, +extern int cpuidle_enter_s2idle(struct cpuidle_driver *drv, struct cpuidle_device *dev); extern void cpuidle_use_deepest_state(bool enable); #else static inline int cpuidle_find_deepest_state(struct cpuidle_driver *drv, struct cpuidle_device *dev) {return -ENODEV; } -static inline int cpuidle_enter_freeze(struct cpuidle_driver *drv, +static inline int cpuidle_enter_s2idle(struct cpuidle_driver *drv, struct cpuidle_device *dev) {return -ENODEV; } static inline void cpuidle_use_deepest_state(bool enable) diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 2ea4b7b23044..257f4f0b4532 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -169,7 +169,7 @@ static void cpuidle_idle_call(void) if (idle_should_enter_s2idle() || dev->use_deepest_state) { if (idle_should_enter_s2idle()) { - entered_state = cpuidle_enter_freeze(drv, dev); + entered_state = cpuidle_enter_s2idle(drv, dev); if (entered_state > 0) { local_irq_enable(); goto exit_idle; |