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authorDaniel Lezcano <daniel.lezcano@linaro.org>2014-11-12 15:03:50 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-11-12 20:17:27 (GMT)
commitb82b6cca488074da3852e8a54fde1d9f74bf1557 (patch)
tree20db4b6c0d6a0180610fa392f32db7aeea515321 /arch
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
downloadlinux-b82b6cca488074da3852e8a54fde1d9f74bf1557.tar.xz
cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
The only place where the time is invalid is when the ACPI_CSTATE_FFH entry method is not set. Otherwise for all the drivers, the time can be correctly measured. Instead of duplicating the CPUIDLE_FLAG_TIME_VALID flag in all the drivers for all the states, just invert the logic by replacing it by the flag CPUIDLE_FLAG_TIME_INVALID, hence we can set this flag only for the acpi idle driver, remove the former flag from all the drivers and invert the logic with this flag in the different governor. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/cpuidle.h1
-rw-r--r--arch/arm/mach-davinci/cpuidle.c1
-rw-r--r--arch/arm/mach-imx/cpuidle-imx5.c1
-rw-r--r--arch/arm/mach-imx/cpuidle-imx6q.c3
-rw-r--r--arch/arm/mach-imx/cpuidle-imx6sl.c3
-rw-r--r--arch/arm/mach-omap2/cpuidle34xx.c7
-rw-r--r--arch/arm/mach-omap2/cpuidle44xx.c5
-rw-r--r--arch/arm/mach-s3c64xx/cpuidle.c1
-rw-r--r--arch/arm/mach-shmobile/pm-sh7372.c4
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra114.c1
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra20.c3
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra30.c1
-rw-r--r--arch/mips/include/asm/idle.h1
-rw-r--r--arch/sh/kernel/cpu/shmobile/cpuidle.c3
-rw-r--r--arch/x86/kernel/apm_32.c1
15 files changed, 5 insertions, 31 deletions
diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h
index 2fca60a..af319ac 100644
--- a/arch/arm/include/asm/cpuidle.h
+++ b/arch/arm/include/asm/cpuidle.h
@@ -15,7 +15,6 @@ static inline int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
.exit_latency = 1,\
.target_residency = 1,\
.power_usage = p,\
- .flags = CPUIDLE_FLAG_TIME_VALID,\
.name = "WFI",\
.desc = "ARM WFI",\
}
diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index f1ac1c9..b4675fc 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -66,7 +66,6 @@ static struct cpuidle_driver davinci_idle_driver = {
.enter = davinci_enter_idle,
.exit_latency = 10,
.target_residency = 10000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "DDR SR",
.desc = "WFI and DDR Self Refresh",
},
diff --git a/arch/arm/mach-imx/cpuidle-imx5.c b/arch/arm/mach-imx/cpuidle-imx5.c
index 5a47e3c..3feca52 100644
--- a/arch/arm/mach-imx/cpuidle-imx5.c
+++ b/arch/arm/mach-imx/cpuidle-imx5.c
@@ -24,7 +24,6 @@ static struct cpuidle_driver imx5_cpuidle_driver = {
.enter = imx5_cpuidle_enter,
.exit_latency = 2,
.target_residency = 1,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "IMX5 SRPG",
.desc = "CPU state retained,powered off",
},
diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c
index aa93578..d76d086 100644
--- a/arch/arm/mach-imx/cpuidle-imx6q.c
+++ b/arch/arm/mach-imx/cpuidle-imx6q.c
@@ -53,8 +53,7 @@ static struct cpuidle_driver imx6q_cpuidle_driver = {
{
.exit_latency = 50,
.target_residency = 75,
- .flags = CPUIDLE_FLAG_TIME_VALID |
- CPUIDLE_FLAG_TIMER_STOP,
+ .flags = CPUIDLE_FLAG_TIMER_STOP,
.enter = imx6q_enter_wait,
.name = "WAIT",
.desc = "Clock off",
diff --git a/arch/arm/mach-imx/cpuidle-imx6sl.c b/arch/arm/mach-imx/cpuidle-imx6sl.c
index d4b6b81..7d92e65 100644
--- a/arch/arm/mach-imx/cpuidle-imx6sl.c
+++ b/arch/arm/mach-imx/cpuidle-imx6sl.c
@@ -40,8 +40,7 @@ static struct cpuidle_driver imx6sl_cpuidle_driver = {
{
.exit_latency = 50,
.target_residency = 75,
- .flags = CPUIDLE_FLAG_TIME_VALID |
- CPUIDLE_FLAG_TIMER_STOP,
+ .flags = CPUIDLE_FLAG_TIMER_STOP,
.enter = imx6sl_enter_wait,
.name = "WAIT",
.desc = "Clock off",
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index e18709d..aa7b379 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -265,7 +265,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 2 + 2,
.target_residency = 5,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C1",
.desc = "MPU ON + CORE ON",
},
@@ -273,7 +272,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 10 + 10,
.target_residency = 30,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C2",
.desc = "MPU ON + CORE ON",
},
@@ -281,7 +279,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 50 + 50,
.target_residency = 300,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C3",
.desc = "MPU RET + CORE ON",
},
@@ -289,7 +286,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 1500 + 1800,
.target_residency = 4000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C4",
.desc = "MPU OFF + CORE ON",
},
@@ -297,7 +293,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 2500 + 7500,
.target_residency = 12000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C5",
.desc = "MPU RET + CORE RET",
},
@@ -305,7 +300,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 3000 + 8500,
.target_residency = 15000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C6",
.desc = "MPU OFF + CORE RET",
},
@@ -313,7 +307,6 @@ static struct cpuidle_driver omap3_idle_driver = {
.enter = omap3_enter_idle_bm,
.exit_latency = 10000 + 30000,
.target_residency = 30000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "C7",
.desc = "MPU OFF + CORE OFF",
},
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index 2498ab0..01e398a 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -196,7 +196,6 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C1 - CPU0 ON + CPU1 ON + MPU ON */
.exit_latency = 2 + 2,
.target_residency = 5,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.enter = omap_enter_idle_simple,
.name = "C1",
.desc = "CPUx ON, MPUSS ON"
@@ -205,7 +204,7 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */
.exit_latency = 328 + 440,
.target_residency = 960,
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
+ .flags = CPUIDLE_FLAG_COUPLED,
.enter = omap_enter_idle_coupled,
.name = "C2",
.desc = "CPUx OFF, MPUSS CSWR",
@@ -214,7 +213,7 @@ static struct cpuidle_driver omap4_idle_driver = {
/* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */
.exit_latency = 460 + 518,
.target_residency = 1100,
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED,
+ .flags = CPUIDLE_FLAG_COUPLED,
.enter = omap_enter_idle_coupled,
.name = "C3",
.desc = "CPUx OFF, MPUSS OSWR",
diff --git a/arch/arm/mach-s3c64xx/cpuidle.c b/arch/arm/mach-s3c64xx/cpuidle.c
index 3c8ab07..2eb0724 100644
--- a/arch/arm/mach-s3c64xx/cpuidle.c
+++ b/arch/arm/mach-s3c64xx/cpuidle.c
@@ -48,7 +48,6 @@ static struct cpuidle_driver s3c64xx_cpuidle_driver = {
.enter = s3c64xx_enter_idle,
.exit_latency = 1,
.target_residency = 1,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "IDLE",
.desc = "System active, ARM gated",
},
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 7e5c267..0e37da6 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -423,7 +423,6 @@ static struct cpuidle_driver sh7372_cpuidle_driver = {
.desc = "Core Standby Mode",
.exit_latency = 10,
.target_residency = 20 + 10,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.enter = sh7372_enter_core_standby,
},
.states[2] = {
@@ -431,7 +430,6 @@ static struct cpuidle_driver sh7372_cpuidle_driver = {
.desc = "A3SM PLL ON",
.exit_latency = 20,
.target_residency = 30 + 20,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.enter = sh7372_enter_a3sm_pll_on,
},
.states[3] = {
@@ -439,7 +437,6 @@ static struct cpuidle_driver sh7372_cpuidle_driver = {
.desc = "A3SM PLL OFF",
.exit_latency = 120,
.target_residency = 30 + 120,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.enter = sh7372_enter_a3sm_pll_off,
},
.states[4] = {
@@ -447,7 +444,6 @@ static struct cpuidle_driver sh7372_cpuidle_driver = {
.desc = "A4S PLL OFF",
.exit_latency = 240,
.target_residency = 30 + 240,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.enter = sh7372_enter_a4s,
.disabled = true,
},
diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c
index e3ebdce..b309082 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra114.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra114.c
@@ -75,7 +75,6 @@ static struct cpuidle_driver tegra_idle_driver = {
.exit_latency = 500,
.target_residency = 1000,
.power_usage = 0,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "powered-down",
.desc = "CPU power gated",
},
diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c
index b30bf5c..4f25a7c 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra20.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c
@@ -59,8 +59,7 @@ static struct cpuidle_driver tegra_idle_driver = {
.exit_latency = 5000,
.target_residency = 10000,
.power_usage = 0,
- .flags = CPUIDLE_FLAG_TIME_VALID |
- CPUIDLE_FLAG_COUPLED,
+ .flags = CPUIDLE_FLAG_COUPLED,
.name = "powered-down",
.desc = "CPU power gated",
},
diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c
index 3556127..f8815ed 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra30.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra30.c
@@ -56,7 +56,6 @@ static struct cpuidle_driver tegra_idle_driver = {
.exit_latency = 2000,
.target_residency = 2200,
.power_usage = 0,
- .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "powered-down",
.desc = "CPU power gated",
},
diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h
index 1c967ab..a2d18ab 100644
--- a/arch/mips/include/asm/idle.h
+++ b/arch/mips/include/asm/idle.h
@@ -22,7 +22,6 @@ extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
.exit_latency = 1,\
.target_residency = 1,\
.power_usage = UINT_MAX,\
- .flags = CPUIDLE_FLAG_TIME_VALID,\
.name = "wait",\
.desc = "MIPS wait",\
}
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c
index e3abfd4..53b8eeb 100644
--- a/arch/sh/kernel/cpu/shmobile/cpuidle.c
+++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c
@@ -59,7 +59,6 @@ static struct cpuidle_driver cpuidle_driver = {
.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",
@@ -68,7 +67,6 @@ static struct cpuidle_driver cpuidle_driver = {
.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]",
@@ -78,7 +76,6 @@ static struct cpuidle_driver cpuidle_driver = {
.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]",
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 5848744..927ec92 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -378,7 +378,6 @@ static struct cpuidle_driver apm_idle_driver = {
{ /* entry 1 is for APM idle */
.name = "APM",
.desc = "APM idle",
- .flags = CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 250, /* WAG */
.target_residency = 500, /* WAG */
.enter = &apm_cpu_idle
generated by cgit v0.10.2 at 2024-11-11 09:31:44 (GMT)