diff --git a/arch/arm/mach-davinci/cpufreq.c b/arch/arm/mach-davinci/cpufreq.c
index 4729eaab0f403e90c83ae2799d37b1521831efb1..55eb8703043d438dab8c7f14eea19774ef29cae7 100644
--- a/arch/arm/mach-davinci/cpufreq.c
+++ b/arch/arm/mach-davinci/cpufreq.c
@@ -90,7 +90,6 @@ static int davinci_target(struct cpufreq_policy *policy,
freqs.old = davinci_getspeed(0);
freqs.new = clk_round_rate(armclk, target_freq * 1000) / 1000;
- freqs.cpu = 0;
if (freqs.old == freqs.new)
return ret;
@@ -102,7 +101,7 @@ static int davinci_target(struct cpufreq_policy *policy,
if (ret)
return -EINVAL;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* if moving to higher frequency, up the voltage beforehand */
if (pdata->set_voltage && freqs.new > freqs.old) {
@@ -126,7 +125,7 @@ static int davinci_target(struct cpufreq_policy *policy,
pdata->set_voltage(idx);
out:
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return ret;
}
diff --git a/arch/arm/mach-imx/cpufreq.c b/arch/arm/mach-imx/cpufreq.c
index d8c75c3c925d7173dbfe05ecece495d5d3d9d7a7..cfce5e3f67f59b409845348cf807c1ca5619bca7 100644
--- a/arch/arm/mach-imx/cpufreq.c
+++ b/arch/arm/mach-imx/cpufreq.c
@@ -87,13 +87,12 @@ static int mxc_set_target(struct cpufreq_policy *policy,
freqs.old = clk_get_rate(cpu_clk) / 1000;
freqs.new = freq_Hz / 1000;
- freqs.cpu = 0;
freqs.flags = 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
ret = set_cpu_freq(freq_Hz);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return ret;
}
diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index 590c192cdf4d43f58e6eafc7670048f2ea2247fe..df863c30771cb76143076ac0578cd857fb8927da 100644
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -123,14 +123,12 @@ static int integrator_set_target(struct cpufreq_policy *policy,
vco = icst_hz_to_vco(&cclk_params, target_freq * 1000);
freqs.new = icst_hz(&cclk_params, vco) / 1000;
- freqs.cpu = policy->cpu;
-
if (freqs.old == freqs.new) {
set_cpus_allowed(current, cpus_allowed);
return 0;
}
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
cm_osc = __raw_readl(CM_OSC);
@@ -151,7 +149,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
*/
set_cpus_allowed(current, cpus_allowed);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
index 6a7aeab42f6ca27b03d7f6b1b95251550a62554d..f1ca4daa1ad615ff6ce5abd740547538cca91ef8 100644
--- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c
+++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
@@ -311,7 +311,6 @@ static int pxa_set_target(struct cpufreq_policy *policy,
new_freq_mem = pxa_freq_settings[idx].membus;
freqs.old = policy->cur;
freqs.new = new_freq_cpu;
- freqs.cpu = policy->cpu;
if (freq_debug)
pr_debug("Changing CPU frequency to %d Mhz, (SDRAM %d Mhz)\n",
@@ -327,7 +326,7 @@ static int pxa_set_target(struct cpufreq_policy *policy,
* you should add a notify client with any platform specific
* Vcc changing capability
*/
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* Calculate the next MDREFR. If we're slowing down the SDRAM clock
* we need to preset the smaller DRI before the change. If we're
@@ -382,7 +381,7 @@ static int pxa_set_target(struct cpufreq_policy *policy,
* you should add a notify client with any platform specific
* SDRAM refresh timer adjustments
*/
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
/*
* Even if voltage setting fails, we don't report it, as the frequency
diff --git a/arch/arm/mach-pxa/cpufreq-pxa3xx.c b/arch/arm/mach-pxa/cpufreq-pxa3xx.c
index b85b4ab7aac699e9254ad6828b6a1ed9d718fda7..8c45b2b926a79929691b1733aa8c75a1f9cdd045 100644
--- a/arch/arm/mach-pxa/cpufreq-pxa3xx.c
+++ b/arch/arm/mach-pxa/cpufreq-pxa3xx.c
@@ -184,7 +184,6 @@ static int pxa3xx_cpufreq_set(struct cpufreq_policy *policy,
freqs.old = policy->cur;
freqs.new = next->cpufreq_mhz * 1000;
- freqs.cpu = policy->cpu;
pr_debug("CPU frequency from %d MHz to %d MHz%s\n",
freqs.old / 1000, freqs.new / 1000,
@@ -193,14 +192,14 @@ static int pxa3xx_cpufreq_set(struct cpufreq_policy *policy,
if (freqs.old == target_freq)
return 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
local_irq_save(flags);
__update_core_freq(next);
__update_bus_freq(next);
local_irq_restore(flags);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/arch/arm/mach-s3c24xx/cpufreq.c b/arch/arm/mach-s3c24xx/cpufreq.c
index 5f181e733eeec6d311d1d03a62ea806b29b51f84..3c0e78ede0da0fcaa82512c6f9f91f3af2260f7b 100644
--- a/arch/arm/mach-s3c24xx/cpufreq.c
+++ b/arch/arm/mach-s3c24xx/cpufreq.c
@@ -204,7 +204,6 @@ static int s3c_cpufreq_settarget(struct cpufreq_policy *policy,
freqs.old = cpu_cur.freq;
freqs.new = cpu_new.freq;
- freqs.freqs.cpu = 0;
freqs.freqs.old = cpu_cur.freq.armclk / 1000;
freqs.freqs.new = cpu_new.freq.armclk / 1000;
@@ -218,9 +217,7 @@ static int s3c_cpufreq_settarget(struct cpufreq_policy *policy,
s3c_cpufreq_updateclk(clk_pclk, cpu_new.freq.pclk);
/* start the frequency change */
-
- if (policy)
- cpufreq_notify_transition(&freqs.freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs.freqs, CPUFREQ_PRECHANGE);
/* If hclk is staying the same, then we do not need to
* re-write the IO or the refresh timings whilst we are changing
@@ -264,8 +261,7 @@ static int s3c_cpufreq_settarget(struct cpufreq_policy *policy,
local_irq_restore(flags);
/* notify everyone we've done this */
- if (policy)
- cpufreq_notify_transition(&freqs.freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs.freqs, CPUFREQ_POSTCHANGE);
s3c_freq_dbg("%s: finished\n", __func__);
return 0;
diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c
index e8f4d1e1923396899de355178623a5ba2be13bfc..32687617c7a59ebbe6ba6dee3b265f8b4afad868 100644
--- a/arch/arm/mach-sa1100/cpu-sa1100.c
+++ b/arch/arm/mach-sa1100/cpu-sa1100.c
@@ -201,9 +201,8 @@ static int sa1100_target(struct cpufreq_policy *policy,
freqs.old = cur;
freqs.new = sa11x0_ppcr_to_freq(new_ppcr);
- freqs.cpu = 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (freqs.new > cur)
sa1100_update_dram_timings(cur, freqs.new);
@@ -213,7 +212,7 @@ static int sa1100_target(struct cpufreq_policy *policy,
if (freqs.new < cur)
sa1100_update_dram_timings(cur, freqs.new);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 48c45b0c92bbae55ac8ae133d0b050cbe4c1f639..38a77330dc16c204071e976f4ee7698d9e41c964 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -258,7 +258,6 @@ static int sa1110_target(struct cpufreq_policy *policy,
freqs.old = sa11x0_getspeed(0);
freqs.new = sa11x0_ppcr_to_freq(ppcr);
- freqs.cpu = 0;
sdram_calculate_timing(&sd, freqs.new, sdram);
@@ -279,7 +278,7 @@ static int sa1110_target(struct cpufreq_policy *policy,
sd.mdcas[2] = 0xaaaaaaaa;
#endif
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/*
* The clock could be going away for some time. Set the SDRAMs
@@ -327,7 +326,7 @@ static int sa1110_target(struct cpufreq_policy *policy,
*/
sdram_update_refresh(freqs.new, sdram);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c
index e3d6e15ff188b509af5795f698a89bbb77ac6ea9..11ca730970f8d31f236249b67b75f5ffc0fd6cbf 100644
--- a/arch/arm/mach-tegra/cpu-tegra.c
+++ b/arch/arm/mach-tegra/cpu-tegra.c
@@ -106,7 +106,8 @@ static int tegra_cpu_clk_set_rate(unsigned long rate)
return ret;
}
-static int tegra_update_cpu_speed(unsigned long rate)
+static int tegra_update_cpu_speed(struct cpufreq_policy *policy,
+ unsigned long rate)
{
int ret = 0;
struct cpufreq_freqs freqs;
@@ -128,8 +129,7 @@ static int tegra_update_cpu_speed(unsigned long rate)
else
clk_set_rate(emc_clk, 100000000); /* emc 50Mhz */
- for_each_online_cpu(freqs.cpu)
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
#ifdef CONFIG_CPU_FREQ_DEBUG
printk(KERN_DEBUG "cpufreq-tegra: transition: %u --> %u\n",
@@ -143,8 +143,7 @@ static int tegra_update_cpu_speed(unsigned long rate)
return ret;
}
- for_each_online_cpu(freqs.cpu)
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
@@ -181,7 +180,7 @@ static int tegra_target(struct cpufreq_policy *policy,
target_cpu_speed[policy->cpu] = freq;
- ret = tegra_update_cpu_speed(tegra_cpu_highest_speed());
+ ret = tegra_update_cpu_speed(policy, tegra_cpu_highest_speed());
out:
mutex_unlock(&tegra_cpu_lock);
@@ -193,10 +192,12 @@ static int tegra_pm_notify(struct notifier_block *nb, unsigned long event,
{
mutex_lock(&tegra_cpu_lock);
if (event == PM_SUSPEND_PREPARE) {
+ struct cpufreq_policy *policy = cpufreq_cpu_get(0);
is_suspended = true;
pr_info("Tegra cpufreq suspend: setting frequency to %d kHz\n",
freq_table[0].frequency);
- tegra_update_cpu_speed(freq_table[0].frequency);
+ tegra_update_cpu_speed(policy, freq_table[0].frequency);
+ cpufreq_cpu_put(policy);
} else if (event == PM_POST_SUSPEND) {
is_suspended = false;
}
diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
index 18b765629a0c8e95625976f91a84a0ac69659e03..654488723cb5d00746b5e08ebb5f88e9beac8cd0 100644
--- a/arch/avr32/mach-at32ap/cpufreq.c
+++ b/arch/avr32/mach-at32ap/cpufreq.c
@@ -61,7 +61,6 @@ static int at32_set_target(struct cpufreq_policy *policy,
freqs.old = at32_get_speed(0);
freqs.new = (freq + 500) / 1000;
- freqs.cpu = 0;
freqs.flags = 0;
if (!ref_freq) {
@@ -69,7 +68,7 @@ static int at32_set_target(struct cpufreq_policy *policy,
loops_per_jiffy_ref = boot_cpu_data.loops_per_jiffy;
}
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (freqs.old < freqs.new)
boot_cpu_data.loops_per_jiffy = cpufreq_scale(
loops_per_jiffy_ref, ref_freq, freqs.new);
@@ -77,7 +76,7 @@ static int at32_set_target(struct cpufreq_policy *policy,
if (freqs.new < freqs.old)
boot_cpu_data.loops_per_jiffy = cpufreq_scale(
loops_per_jiffy_ref, ref_freq, freqs.new);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
pr_debug("cpufreq: set frequency %lu Hz\n", freq);
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index d88bd31319e6d8ea1541f47cddde8a5cc357d391..995511e80bef6d012b5fe0c4a7319db324dbd9c6 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -127,13 +127,13 @@ unsigned long cpu_set_cclk(int cpu, unsigned long new)
}
#endif
-static int bfin_target(struct cpufreq_policy *poli,
+static int bfin_target(struct cpufreq_policy *policy,
unsigned int target_freq, unsigned int relation)
{
#ifndef CONFIG_BF60x
unsigned int plldiv;
#endif
- unsigned int index, cpu;
+ unsigned int index;
unsigned long cclk_hz;
struct cpufreq_freqs freqs;
static unsigned long lpj_ref;
@@ -144,59 +144,48 @@ static int bfin_target(struct cpufreq_policy *poli,
cycles_t cycles;
#endif
- for_each_online_cpu(cpu) {
- struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+ if (cpufreq_frequency_table_target(policy, bfin_freq_table, target_freq,
+ relation, &index))
+ return -EINVAL;
- if (!policy)
- continue;
+ cclk_hz = bfin_freq_table[index].frequency;
- if (cpufreq_frequency_table_target(policy, bfin_freq_table,
- target_freq, relation, &index))
- return -EINVAL;
+ freqs.old = bfin_getfreq_khz(0);
+ freqs.new = cclk_hz;
- cclk_hz = bfin_freq_table[index].frequency;
+ pr_debug("cpufreq: changing cclk to %lu; target = %u, oldfreq = %u\n",
+ cclk_hz, target_freq, freqs.old);
- freqs.old = bfin_getfreq_khz(0);
- freqs.new = cclk_hz;
- freqs.cpu = cpu;
-
- pr_debug("cpufreq: changing cclk to %lu; target = %u, oldfreq = %u\n",
- cclk_hz, target_freq, freqs.old);
-
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- if (cpu == CPUFREQ_CPU) {
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
#ifndef CONFIG_BF60x
- plldiv = (bfin_read_PLL_DIV() & SSEL) |
- dpm_state_table[index].csel;
- bfin_write_PLL_DIV(plldiv);
+ plldiv = (bfin_read_PLL_DIV() & SSEL) | dpm_state_table[index].csel;
+ bfin_write_PLL_DIV(plldiv);
#else
- ret = cpu_set_cclk(cpu, freqs.new * 1000);
- if (ret != 0) {
- WARN_ONCE(ret, "cpufreq set freq failed %d\n", ret);
- break;
- }
+ ret = cpu_set_cclk(policy->cpu, freqs.new * 1000);
+ if (ret != 0) {
+ WARN_ONCE(ret, "cpufreq set freq failed %d\n", ret);
+ return ret;
+ }
#endif
- on_each_cpu(bfin_adjust_core_timer, &index, 1);
+ on_each_cpu(bfin_adjust_core_timer, &index, 1);
#if defined(CONFIG_CYCLES_CLOCKSOURCE)
- cycles = get_cycles();
- SSYNC();
- cycles += 10; /* ~10 cycles we lose after get_cycles() */
- __bfin_cycles_off +=
- (cycles << __bfin_cycles_mod) - (cycles << index);
- __bfin_cycles_mod = index;
+ cycles = get_cycles();
+ SSYNC();
+ cycles += 10; /* ~10 cycles we lose after get_cycles() */
+ __bfin_cycles_off += (cycles << __bfin_cycles_mod) - (cycles << index);
+ __bfin_cycles_mod = index;
#endif
- if (!lpj_ref_freq) {
- lpj_ref = loops_per_jiffy;
- lpj_ref_freq = freqs.old;
- }
- if (freqs.new != freqs.old) {
- loops_per_jiffy = cpufreq_scale(lpj_ref,
- lpj_ref_freq, freqs.new);
- }
- }
- /* TODO: just test case for cycles clock source, remove later */
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ if (!lpj_ref_freq) {
+ lpj_ref = loops_per_jiffy;
+ lpj_ref_freq = freqs.old;
}
+ if (freqs.new != freqs.old) {
+ loops_per_jiffy = cpufreq_scale(lpj_ref,
+ lpj_ref_freq, freqs.new);
+ }
+
+ /* TODO: just test case for cycles clock source, remove later */
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
pr_debug("cpufreq: done\n");
return ret;
diff --git a/arch/cris/arch-v32/mach-a3/cpufreq.c b/arch/cris/arch-v32/mach-a3/cpufreq.c
index ee391ecb5bc9bb6e67f216ba265304ba791f6b13..ee142c4905756afe79e0c034acb2351f278594ac 100644
--- a/arch/cris/arch-v32/mach-a3/cpufreq.c
+++ b/arch/cris/arch-v32/mach-a3/cpufreq.c
@@ -27,23 +27,17 @@ static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu)
return clk_ctrl.pll ? 200000 : 6000;
}
-static void cris_freq_set_cpu_state(unsigned int state)
+static void cris_freq_set_cpu_state(struct cpufreq_policy *policy,
+ unsigned int state)
{
- int i = 0;
struct cpufreq_freqs freqs;
reg_clkgen_rw_clk_ctrl clk_ctrl;
clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl);
-#ifdef CONFIG_SMP
- for_each_present_cpu(i)
-#endif
- {
- freqs.old = cris_freq_get_cpu_frequency(i);
- freqs.new = cris_freq_table[state].frequency;
- freqs.cpu = i;
- }
+ freqs.old = cris_freq_get_cpu_frequency(policy->cpu);
+ freqs.new = cris_freq_table[state].frequency;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
local_irq_disable();
@@ -57,7 +51,7 @@ static void cris_freq_set_cpu_state(unsigned int state)
local_irq_enable();
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
};
static int cris_freq_verify(struct cpufreq_policy *policy)
@@ -75,7 +69,7 @@ static int cris_freq_target(struct cpufreq_policy *policy,
target_freq, relation, &newstate))
return -EINVAL;
- cris_freq_set_cpu_state(newstate);
+ cris_freq_set_cpu_state(policy, newstate);
return 0;
}
diff --git a/arch/cris/arch-v32/mach-fs/cpufreq.c b/arch/cris/arch-v32/mach-fs/cpufreq.c
index d92cf70d1cbe376208316f73810cf55fd9b0fc10..12952235d5dbc69bc6f83c0efb34bd7c8663f253 100644
--- a/arch/cris/arch-v32/mach-fs/cpufreq.c
+++ b/arch/cris/arch-v32/mach-fs/cpufreq.c
@@ -27,20 +27,17 @@ static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu)
return clk_ctrl.pll ? 200000 : 6000;
}
-static void cris_freq_set_cpu_state(unsigned int state)
+static void cris_freq_set_cpu_state(struct cpufreq_policy *policy,
+ unsigned int state)
{
- int i;
struct cpufreq_freqs freqs;
reg_config_rw_clk_ctrl clk_ctrl;
clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl);
- for_each_possible_cpu(i) {
- freqs.old = cris_freq_get_cpu_frequency(i);
- freqs.new = cris_freq_table[state].frequency;
- freqs.cpu = i;
- }
+ freqs.old = cris_freq_get_cpu_frequency(policy->cpu);
+ freqs.new = cris_freq_table[state].frequency;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
local_irq_disable();
@@ -54,7 +51,7 @@ static void cris_freq_set_cpu_state(unsigned int state)
local_irq_enable();
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
};
static int cris_freq_verify(struct cpufreq_policy *policy)
@@ -71,7 +68,7 @@ static int cris_freq_target(struct cpufreq_policy *policy,
(policy, cris_freq_table, target_freq, relation, &newstate))
return -EINVAL;
- cris_freq_set_cpu_state(newstate);
+ cris_freq_set_cpu_state(policy, newstate);
return 0;
}
diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
index f09b174244d5b5e2e31178f300504c3330f2c601..4700fef8d1fa172c3c4e7d7a9ebb67015de104d4 100644
--- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
+++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
@@ -137,7 +137,7 @@ processor_get_freq (
static int
processor_set_freq (
struct cpufreq_acpi_io *data,
- unsigned int cpu,
+ struct cpufreq_policy *policy,
int state)
{
int ret = 0;
@@ -149,8 +149,8 @@ processor_set_freq (
pr_debug("processor_set_freq\n");
saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
- if (smp_processor_id() != cpu) {
+ set_cpus_allowed_ptr(current, cpumask_of(policy->cpu));
+ if (smp_processor_id() != policy->cpu) {
retval = -EAGAIN;
goto migrate_end;
}
@@ -170,12 +170,11 @@ processor_set_freq (
data->acpi_data.state, state);
/* cpufreq frequency struct */
- cpufreq_freqs.cpu = cpu;
cpufreq_freqs.old = data->freq_table[data->acpi_data.state].frequency;
cpufreq_freqs.new = data->freq_table[state].frequency;
/* notify cpufreq */
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &cpufreq_freqs, CPUFREQ_PRECHANGE);
/*
* First we write the target state's 'control' value to the
@@ -189,17 +188,20 @@ processor_set_freq (
ret = processor_set_pstate(value);
if (ret) {
unsigned int tmp = cpufreq_freqs.new;
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &cpufreq_freqs,
+ CPUFREQ_POSTCHANGE);
cpufreq_freqs.new = cpufreq_freqs.old;
cpufreq_freqs.old = tmp;
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_PRECHANGE);
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &cpufreq_freqs,
+ CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &cpufreq_freqs,
+ CPUFREQ_POSTCHANGE);
printk(KERN_WARNING "Transition failed with error %d\n", ret);
retval = -ENODEV;
goto migrate_end;
}
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &cpufreq_freqs, CPUFREQ_POSTCHANGE);
data->acpi_data.state = state;
@@ -240,7 +242,7 @@ acpi_cpufreq_target (
if (result)
return (result);
- result = processor_set_freq(data, policy->cpu, next_state);
+ result = processor_set_freq(data, policy, next_state);
return (result);
}
diff --git a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c
index 3237c5235f9c56f73c0be59aa7b5d9c6143794e2..bafda7063f036b91b2f444e71f71a61c759622cf 100644
--- a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c
+++ b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c
@@ -80,7 +80,6 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
- freqs.cpu = cpu;
freqs.old = loongson2_cpufreq_get(cpu);
freqs.new = freq;
freqs.flags = 0;
@@ -89,7 +88,7 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
return 0;
/* notifiers */
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
set_cpus_allowed_ptr(current, &cpus_allowed);
@@ -97,7 +96,7 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
clk_set_rate(cpuclk, freq);
/* notifiers */
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
pr_debug("cpufreq: set frequency %u kHz\n", freq);
diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq.c b/arch/powerpc/platforms/cell/cbe_cpufreq.c
index d4c39e32f147d77a99dc21739e993c5ef71d6ce5..718c6a33023d56715e81e187b3ffb8d53e7df0a5 100644
--- a/arch/powerpc/platforms/cell/cbe_cpufreq.c
+++ b/arch/powerpc/platforms/cell/cbe_cpufreq.c
@@ -156,10 +156,9 @@ static int cbe_cpufreq_target(struct cpufreq_policy *policy,
freqs.old = policy->cur;
freqs.new = cbe_freqs[cbe_pmode_new].frequency;
- freqs.cpu = policy->cpu;
mutex_lock(&cbe_switch_mutex);
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
pr_debug("setting frequency for cpu %d to %d kHz, " \
"1/%d of max frequency\n",
@@ -169,7 +168,7 @@ static int cbe_cpufreq_target(struct cpufreq_policy *policy,
rc = set_pmode(policy->cpu, cbe_pmode_new);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
mutex_unlock(&cbe_switch_mutex);
return rc;
diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c
index 890f30e70f98fc52a39f063172cfbadc5e8713b4..be1e7958909eac4079a4ec641fa231e2500707a4 100644
--- a/arch/powerpc/platforms/pasemi/cpufreq.c
+++ b/arch/powerpc/platforms/pasemi/cpufreq.c
@@ -273,10 +273,9 @@ static int pas_cpufreq_target(struct cpufreq_policy *policy,
freqs.old = policy->cur;
freqs.new = pas_freqs[pas_astate_new].frequency;
- freqs.cpu = policy->cpu;
mutex_lock(&pas_switch_mutex);
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
pr_debug("setting frequency for cpu %d to %d kHz, 1/%d of max frequency\n",
policy->cpu,
@@ -288,7 +287,7 @@ static int pas_cpufreq_target(struct cpufreq_policy *policy,
for_each_online_cpu(i)
set_astate(i, pas_astate_new);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
mutex_unlock(&pas_switch_mutex);
ppc_proc_freq = freqs.new * 1000ul;
diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index 311b804353b14820c90e829902518a0ea350c6f2..3104fad824801d1e9b03480a9757317f3a602fba 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_32.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -335,7 +335,8 @@ static int pmu_set_cpu_speed(int low_speed)
return 0;
}
-static int do_set_cpu_speed(int speed_mode, int notify)
+static int do_set_cpu_speed(struct cpufreq_policy *policy, int speed_mode,
+ int notify)
{
struct cpufreq_freqs freqs;
unsigned long l3cr;
@@ -343,13 +344,12 @@ static int do_set_cpu_speed(int speed_mode, int notify)
freqs.old = cur_freq;
freqs.new = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
- freqs.cpu = smp_processor_id();
if (freqs.old == freqs.new)
return 0;
if (notify)
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (speed_mode == CPUFREQ_LOW &&
cpu_has_feature(CPU_FTR_L3CR)) {
l3cr = _get_L3CR();
@@ -366,7 +366,7 @@ static int do_set_cpu_speed(int speed_mode, int notify)
_set_L3CR(prev_l3cr);
}
if (notify)
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
cur_freq = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
return 0;
@@ -393,7 +393,7 @@ static int pmac_cpufreq_target( struct cpufreq_policy *policy,
target_freq, relation, &newstate))
return -EINVAL;
- rc = do_set_cpu_speed(newstate, 1);
+ rc = do_set_cpu_speed(policy, newstate, 1);
ppc_proc_freq = cur_freq * 1000ul;
return rc;
@@ -442,7 +442,7 @@ static int pmac_cpufreq_suspend(struct cpufreq_policy *policy)
no_schedule = 1;
sleep_freq = cur_freq;
if (cur_freq == low_freq && !is_pmu_based)
- do_set_cpu_speed(CPUFREQ_HIGH, 0);
+ do_set_cpu_speed(policy, CPUFREQ_HIGH, 0);
return 0;
}
@@ -458,7 +458,7 @@ static int pmac_cpufreq_resume(struct cpufreq_policy *policy)
* is that we force a switch to whatever it was, which is
* probably high speed due to our suspend() routine
*/
- do_set_cpu_speed(sleep_freq == low_freq ?
+ do_set_cpu_speed(policy, sleep_freq == low_freq ?
CPUFREQ_LOW : CPUFREQ_HIGH, 0);
ppc_proc_freq = cur_freq * 1000ul;
diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
index 9650c6029c825c98b25e137714efd519763af93a..7ba423431cfe0dfb53fcbe3c7f7195882c36ac3d 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -339,11 +339,10 @@ static int g5_cpufreq_target(struct cpufreq_policy *policy,
freqs.old = g5_cpu_freqs[g5_pmode_cur].frequency;
freqs.new = g5_cpu_freqs[newstate].frequency;
- freqs.cpu = 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
rc = g5_switch_freq(newstate);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
mutex_unlock(&g5_switch_mutex);
diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c
index e68b45b6f3f902aded3f00a4dd3e2341ca518abf..2c7bd94f95ee0b2ea4a33b4ffb1e96bea2d8888c 100644
--- a/arch/sh/kernel/cpufreq.c
+++ b/arch/sh/kernel/cpufreq.c
@@ -69,15 +69,14 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
dev_dbg(dev, "requested frequency %u Hz\n", target_freq * 1000);
- freqs.cpu = cpu;
freqs.old = sh_cpufreq_get(cpu);
freqs.new = (freq + 500) / 1000;
freqs.flags = 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
set_cpus_allowed_ptr(current, &cpus_allowed);
clk_set_rate(cpuclk, freq);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
dev_dbg(dev, "set frequency %lu Hz\n", freq);
diff --git a/arch/sparc/kernel/us2e_cpufreq.c b/arch/sparc/kernel/us2e_cpufreq.c
index 489fc15f3194b4e74f21541cf72523cf7ee3d85e..abe963d7b87c9c8aa8454026f5fb84d83e2a262c 100644
--- a/arch/sparc/kernel/us2e_cpufreq.c
+++ b/arch/sparc/kernel/us2e_cpufreq.c
@@ -248,8 +248,10 @@ static unsigned int us2e_freq_get(unsigned int cpu)
return clock_tick / estar_to_divisor(estar);
}
-static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
+static void us2e_set_cpu_divider_index(struct cpufreq_policy *policy,
+ unsigned int index)
{
+ unsigned int cpu = policy->cpu;
unsigned long new_bits, new_freq;
unsigned long clock_tick, divisor, old_divisor, estar;
cpumask_t cpus_allowed;
@@ -272,14 +274,13 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
freqs.old = clock_tick / old_divisor;
freqs.new = new_freq;
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (old_divisor != divisor)
us2e_transition(estar, new_bits, clock_tick * 1000,
old_divisor, divisor);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
set_cpus_allowed_ptr(current, &cpus_allowed);
}
@@ -295,7 +296,7 @@ static int us2e_freq_target(struct cpufreq_policy *policy,
target_freq, relation, &new_index))
return -EINVAL;
- us2e_set_cpu_divider_index(policy->cpu, new_index);
+ us2e_set_cpu_divider_index(policy, new_index);
return 0;
}
@@ -335,7 +336,7 @@ static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
static int us2e_freq_cpu_exit(struct cpufreq_policy *policy)
{
if (cpufreq_us2e_driver)
- us2e_set_cpu_divider_index(policy->cpu, 0);
+ us2e_set_cpu_divider_index(policy, 0);
return 0;
}
diff --git a/arch/sparc/kernel/us3_cpufreq.c b/arch/sparc/kernel/us3_cpufreq.c
index eb1624b931d903fa4ea8955a270c111d2ba7b3d4..7ceb9c8458f06f84fb2028b68f699ea724b3bf4d 100644
--- a/arch/sparc/kernel/us3_cpufreq.c
+++ b/arch/sparc/kernel/us3_cpufreq.c
@@ -96,8 +96,10 @@ static unsigned int us3_freq_get(unsigned int cpu)
return ret;
}
-static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index)
+static void us3_set_cpu_divider_index(struct cpufreq_policy *policy,
+ unsigned int index)
{
+ unsigned int cpu = policy->cpu;
unsigned long new_bits, new_freq, reg;
cpumask_t cpus_allowed;
struct cpufreq_freqs freqs;
@@ -131,14 +133,13 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index)
freqs.old = get_current_freq(cpu, reg);
freqs.new = new_freq;
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
reg &= ~SAFARI_CFG_DIV_MASK;
reg |= new_bits;
write_safari_cfg(reg);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
set_cpus_allowed_ptr(current, &cpus_allowed);
}
@@ -156,7 +157,7 @@ static int us3_freq_target(struct cpufreq_policy *policy,
&new_index))
return -EINVAL;
- us3_set_cpu_divider_index(policy->cpu, new_index);
+ us3_set_cpu_divider_index(policy, new_index);
return 0;
}
@@ -192,7 +193,7 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
static int us3_freq_cpu_exit(struct cpufreq_policy *policy)
{
if (cpufreq_us3_driver)
- us3_set_cpu_divider_index(policy->cpu, 0);
+ us3_set_cpu_divider_index(policy, 0);
return 0;
}
diff --git a/arch/unicore32/kernel/cpu-ucv2.c b/arch/unicore32/kernel/cpu-ucv2.c
index 4a99f62584c73ba5079cf9c435fc882848bf9317..ba5a71ce2d710e7160f7c76a6551b7b9259aa912 100644
--- a/arch/unicore32/kernel/cpu-ucv2.c
+++ b/arch/unicore32/kernel/cpu-ucv2.c
@@ -52,15 +52,14 @@ static int ucv2_target(struct cpufreq_policy *policy,
struct cpufreq_freqs freqs;
struct clk *mclk = clk_get(NULL, "MAIN_CLK");
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (!clk_set_rate(mclk, target_freq * 1000)) {
freqs.old = cur;
freqs.new = target_freq;
- freqs.cpu = 0;
}
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 57a8774f0b4ee907ab67d9c9f8fefd1e3d18fdbd..11b8b4b54ceb5c85cfe81cba6d2064e6f45077f6 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -423,7 +423,6 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
struct drv_cmd cmd;
unsigned int next_state = 0; /* Index into freq_table */
unsigned int next_perf_state = 0; /* Index into perf table */
- unsigned int i;
int result = 0;
pr_debug("acpi_cpufreq_target %d (%d)\n", target_freq, policy->cpu);
@@ -486,10 +485,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
freqs.old = perf->states[perf->state].core_frequency * 1000;
freqs.new = data->freq_table[next_state].frequency;
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
drv_write(&cmd);
@@ -502,10 +498,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
}
}
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
perf->state = next_perf_state;
out:
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index a7e51bd20502e0e7eebdf9e28412f7df7556f9ee..65618536abfa44876245d375371bd810519d40f4 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -46,7 +46,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
struct opp *opp;
unsigned long volt = 0, volt_old = 0, tol = 0;
long freq_Hz;
- unsigned int index, cpu;
+ unsigned int index;
int ret;
ret = cpufreq_frequency_table_target(policy, freq_table, target_freq,
@@ -66,10 +66,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
if (freqs.old == freqs.new)
return 0;
- for_each_online_cpu(cpu) {
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (cpu_reg) {
rcu_read_lock();
@@ -121,10 +118,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
}
post_notify:
- for_each_online_cpu(cpu) {
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return ret;
}
diff --git a/drivers/cpufreq/cpufreq-nforce2.c b/drivers/cpufreq/cpufreq-nforce2.c
index 13d311ee08b3723ca422d6f9b1cf485b011f2ea9..224a4787ecc25102ac12e44fba319cae46b0e7a7 100644
--- a/drivers/cpufreq/cpufreq-nforce2.c
+++ b/drivers/cpufreq/cpufreq-nforce2.c
@@ -263,7 +263,6 @@ static int nforce2_target(struct cpufreq_policy *policy,
freqs.old = nforce2_get(policy->cpu);
freqs.new = target_fsb * fid * 100;
- freqs.cpu = 0; /* Only one CPU on nForce2 platforms */
if (freqs.old == freqs.new)
return 0;
@@ -271,7 +270,7 @@ static int nforce2_target(struct cpufreq_policy *policy,
pr_debug("Old CPU frequency %d kHz, new %d kHz\n",
freqs.old, freqs.new);
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* Disable IRQs */
/* local_irq_save(flags); */
@@ -286,7 +285,7 @@ static int nforce2_target(struct cpufreq_policy *policy,
/* Enable IRQs */
/* local_irq_restore(flags); */
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 85963fc48a5f696b6c1246eb2d9600a1329632d5..0198cd0a60ce1138f207d37bc2f99638162e77d7 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -249,19 +249,9 @@ static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci)
#endif
-/**
- * cpufreq_notify_transition - call notifier chain and adjust_jiffies
- * on frequency transition.
- *
- * This function calls the transition notifiers and the "adjust_jiffies"
- * function. It is called twice on all CPU frequency changes that have
- * external effects.
- */
-void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
+void __cpufreq_notify_transition(struct cpufreq_policy *policy,
+ struct cpufreq_freqs *freqs, unsigned int state)
{
- struct cpufreq_policy *policy;
- unsigned long flags;
-
BUG_ON(irqs_disabled());
if (cpufreq_disabled())
@@ -271,10 +261,6 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
pr_debug("notification %u of frequency transition to %u kHz\n",
state, freqs->new);
- read_lock_irqsave(&cpufreq_driver_lock, flags);
- policy = per_cpu(cpufreq_cpu_data, freqs->cpu);
- read_unlock_irqrestore(&cpufreq_driver_lock, flags);
-
switch (state) {
case CPUFREQ_PRECHANGE:
@@ -308,6 +294,20 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
break;
}
}
+/**
+ * cpufreq_notify_transition - call notifier chain and adjust_jiffies
+ * on frequency transition.
+ *
+ * This function calls the transition notifiers and the "adjust_jiffies"
+ * function. It is called twice on all CPU frequency changes that have
+ * external effects.
+ */
+void cpufreq_notify_transition(struct cpufreq_policy *policy,
+ struct cpufreq_freqs *freqs, unsigned int state)
+{
+ for_each_cpu(freqs->cpu, policy->cpus)
+ __cpufreq_notify_transition(policy, freqs, state);
+}
EXPORT_SYMBOL_GPL(cpufreq_notify_transition);
@@ -1141,16 +1141,23 @@ static void handle_update(struct work_struct *work)
static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq,
unsigned int new_freq)
{
+ struct cpufreq_policy *policy;
struct cpufreq_freqs freqs;
+ unsigned long flags;
+
pr_debug("Warning: CPU frequency out of sync: cpufreq and timing "
"core thinks of %u, is %u kHz.\n", old_freq, new_freq);
- freqs.cpu = cpu;
freqs.old = old_freq;
freqs.new = new_freq;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
+ read_lock_irqsave(&cpufreq_driver_lock, flags);
+ policy = per_cpu(cpufreq_cpu_data, cpu);
+ read_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
}
diff --git a/drivers/cpufreq/dbx500-cpufreq.c b/drivers/cpufreq/dbx500-cpufreq.c
index 72f0c3efa76e6b7d89114c463ccd7c5243ccb917..7192a6df94c0ca038124a6cb7beb0b30f16b88eb 100644
--- a/drivers/cpufreq/dbx500-cpufreq.c
+++ b/drivers/cpufreq/dbx500-cpufreq.c
@@ -55,8 +55,7 @@ static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
return 0;
/* pre-change notification */
- for_each_cpu(freqs.cpu, policy->cpus)
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* update armss clk frequency */
ret = clk_set_rate(armss_clk, freqs.new * 1000);
@@ -68,8 +67,7 @@ static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
}
/* post change notification */
- for_each_cpu(freqs.cpu, policy->cpus)
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/drivers/cpufreq/e_powersaver.c b/drivers/cpufreq/e_powersaver.c
index 3fffbe6025cd34e9dc2ee9cbfd893c6f1eff9f68..37380fb92621c6606803237d10f4b9987efd6684 100644
--- a/drivers/cpufreq/e_powersaver.c
+++ b/drivers/cpufreq/e_powersaver.c
@@ -104,7 +104,7 @@ static unsigned int eps_get(unsigned int cpu)
}
static int eps_set_state(struct eps_cpu_data *centaur,
- unsigned int cpu,
+ struct cpufreq_policy *policy,
u32 dest_state)
{
struct cpufreq_freqs freqs;
@@ -112,10 +112,9 @@ static int eps_set_state(struct eps_cpu_data *centaur,
int err = 0;
int i;
- freqs.old = eps_get(cpu);
+ freqs.old = eps_get(policy->cpu);
freqs.new = centaur->fsb * ((dest_state >> 8) & 0xff);
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* Wait while CPU is busy */
rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
@@ -162,7 +161,7 @@ static int eps_set_state(struct eps_cpu_data *centaur,
current_multiplier);
}
#endif
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return err;
}
@@ -190,7 +189,7 @@ static int eps_target(struct cpufreq_policy *policy,
/* Make frequency transition */
dest_state = centaur->freq_table[newstate].index & 0xffff;
- ret = eps_set_state(centaur, cpu, dest_state);
+ ret = eps_set_state(centaur, policy, dest_state);
if (ret)
printk(KERN_ERR "eps: Timeout!\n");
return ret;
diff --git a/drivers/cpufreq/elanfreq.c b/drivers/cpufreq/elanfreq.c
index 960671fd3d7e8c236a5f31f6577b7d174047b01a..658d860344b0df71bd8dd59751f3e5281ca34637 100644
--- a/drivers/cpufreq/elanfreq.c
+++ b/drivers/cpufreq/elanfreq.c
@@ -117,15 +117,15 @@ static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu)
* There is no return value.
*/
-static void elanfreq_set_cpu_state(unsigned int state)
+static void elanfreq_set_cpu_state(struct cpufreq_policy *policy,
+ unsigned int state)
{
struct cpufreq_freqs freqs;
freqs.old = elanfreq_get_cpu_frequency(0);
freqs.new = elan_multiplier[state].clock;
- freqs.cpu = 0; /* elanfreq.c is UP only driver */
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
printk(KERN_INFO "elanfreq: attempting to set frequency to %i kHz\n",
elan_multiplier[state].clock);
@@ -161,7 +161,7 @@ static void elanfreq_set_cpu_state(unsigned int state)
udelay(10000);
local_irq_enable();
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
};
@@ -188,7 +188,7 @@ static int elanfreq_target(struct cpufreq_policy *policy,
target_freq, relation, &newstate))
return -EINVAL;
- elanfreq_set_cpu_state(newstate);
+ elanfreq_set_cpu_state(policy, newstate);
return 0;
}
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 78057a357ddba9cc9b2a94272ac25ac42855d370..c0c4ce53b9e973208f2a0e09f91bae7df0938d47 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -70,7 +70,6 @@ static int exynos_cpufreq_scale(unsigned int target_freq)
freqs.old = policy->cur;
freqs.new = target_freq;
- freqs.cpu = policy->cpu;
if (freqs.new == freqs.old)
goto out;
@@ -105,8 +104,7 @@ static int exynos_cpufreq_scale(unsigned int target_freq)
}
arm_volt = volt_table[index];
- for_each_cpu(freqs.cpu, policy->cpus)
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* When the new frequency is higher than current frequency */
if ((freqs.new > freqs.old) && !safe_arm_volt) {
@@ -131,8 +129,7 @@ static int exynos_cpufreq_scale(unsigned int target_freq)
exynos_info->set_freq(old_index, index);
- for_each_cpu(freqs.cpu, policy->cpus)
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
/* When the new frequency is lower than current frequency */
if ((freqs.new < freqs.old) ||
diff --git a/drivers/cpufreq/gx-suspmod.c b/drivers/cpufreq/gx-suspmod.c
index 456bee058fe69b4d729adf89bba03335114e8160..3dfc99b9ca86f3228d0f0a8d8b600bd7ae11f260 100644
--- a/drivers/cpufreq/gx-suspmod.c
+++ b/drivers/cpufreq/gx-suspmod.c
@@ -251,14 +251,13 @@ static unsigned int gx_validate_speed(unsigned int khz, u8 *on_duration,
* set cpu speed in khz.
**/
-static void gx_set_cpuspeed(unsigned int khz)
+static void gx_set_cpuspeed(struct cpufreq_policy *policy, unsigned int khz)
{
u8 suscfg, pmer1;
unsigned int new_khz;
unsigned long flags;
struct cpufreq_freqs freqs;
- freqs.cpu = 0;
freqs.old = gx_get_cpuspeed(0);
new_khz = gx_validate_speed(khz, &gx_params->on_duration,
@@ -266,11 +265,9 @@ static void gx_set_cpuspeed(unsigned int khz)
freqs.new = new_khz;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
local_irq_save(flags);
-
-
if (new_khz != stock_freq) {
/* if new khz == 100% of CPU speed, it is special case */
switch (gx_params->cs55x0->device) {
@@ -317,7 +314,7 @@ static void gx_set_cpuspeed(unsigned int khz)
gx_params->pci_suscfg = suscfg;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
pr_debug("suspend modulation w/ duration of ON:%d us, OFF:%d us\n",
gx_params->on_duration * 32, gx_params->off_duration * 32);
@@ -397,7 +394,7 @@ static int cpufreq_gx_target(struct cpufreq_policy *policy,
tmp_freq = gx_validate_speed(tmp_freq, &tmp1, &tmp2);
}
- gx_set_cpuspeed(tmp_freq);
+ gx_set_cpuspeed(policy, tmp_freq);
return 0;
}
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index 54e336de373bf60918fc515e12b5fd273cbf8419..b78bc35973ba33f74cf795e67ba8eda00b069cc5 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -50,7 +50,7 @@ static int imx6q_set_target(struct cpufreq_policy *policy,
struct cpufreq_freqs freqs;
struct opp *opp;
unsigned long freq_hz, volt, volt_old;
- unsigned int index, cpu;
+ unsigned int index;
int ret;
ret = cpufreq_frequency_table_target(policy, freq_table, target_freq,
@@ -68,10 +68,7 @@ static int imx6q_set_target(struct cpufreq_policy *policy,
if (freqs.old == freqs.new)
return 0;
- for_each_online_cpu(cpu) {
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
rcu_read_lock();
opp = opp_find_freq_ceil(cpu_dev, &freq_hz);
@@ -166,10 +163,7 @@ static int imx6q_set_target(struct cpufreq_policy *policy,
}
}
- for_each_online_cpu(cpu) {
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
index 60524764fe4e63cfe3e8ff16c638323f0dbb1f34..d36ea8dc96eb9fdc0812e0e93512f8f97cda66f8 100644
--- a/drivers/cpufreq/kirkwood-cpufreq.c
+++ b/drivers/cpufreq/kirkwood-cpufreq.c
@@ -55,7 +55,8 @@ static unsigned int kirkwood_cpufreq_get_cpu_frequency(unsigned int cpu)
return kirkwood_freq_table[0].frequency;
}
-static void kirkwood_cpufreq_set_cpu_state(unsigned int index)
+static void kirkwood_cpufreq_set_cpu_state(struct cpufreq_policy *policy,
+ unsigned int index)
{
struct cpufreq_freqs freqs;
unsigned int state = kirkwood_freq_table[index].index;
@@ -63,9 +64,8 @@ static void kirkwood_cpufreq_set_cpu_state(unsigned int index)
freqs.old = kirkwood_cpufreq_get_cpu_frequency(0);
freqs.new = kirkwood_freq_table[index].frequency;
- freqs.cpu = 0; /* Kirkwood is UP */
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
dev_dbg(priv.dev, "Attempting to set frequency to %i KHz\n",
kirkwood_freq_table[index].frequency);
@@ -99,7 +99,7 @@ static void kirkwood_cpufreq_set_cpu_state(unsigned int index)
local_irq_enable();
}
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
};
static int kirkwood_cpufreq_verify(struct cpufreq_policy *policy)
@@ -117,7 +117,7 @@ static int kirkwood_cpufreq_target(struct cpufreq_policy *policy,
target_freq, relation, &index))
return -EINVAL;
- kirkwood_cpufreq_set_cpu_state(index);
+ kirkwood_cpufreq_set_cpu_state(policy, index);
return 0;
}
diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
index 1180d536d1eb6cf8c2d59b4d1432a0f65be85675..b448638e34de0df1183a07d6b3d1e089f87e9b95 100644
--- a/drivers/cpufreq/longhaul.c
+++ b/drivers/cpufreq/longhaul.c
@@ -242,7 +242,8 @@ static void do_powersaver(int cx_address, unsigned int mults_index,
* Sets a new clock ratio.
*/
-static void longhaul_setstate(unsigned int table_index)
+static void longhaul_setstate(struct cpufreq_policy *policy,
+ unsigned int table_index)
{
unsigned int mults_index;
int speed, mult;
@@ -267,9 +268,8 @@ static void longhaul_setstate(unsigned int table_index)
freqs.old = calc_speed(longhaul_get_cpu_mult());
freqs.new = speed;
- freqs.cpu = 0; /* longhaul.c is UP only driver */
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
pr_debug("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
fsb, mult/10, mult%10, print_speed(speed/1000));
@@ -386,7 +386,7 @@ static void longhaul_setstate(unsigned int table_index)
}
}
/* Report true CPU frequency */
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
if (!bm_timeout)
printk(KERN_INFO PFX "Warning: Timeout while waiting for "
@@ -648,7 +648,7 @@ static int longhaul_target(struct cpufreq_policy *policy,
return 0;
if (!can_scale_voltage)
- longhaul_setstate(table_index);
+ longhaul_setstate(policy, table_index);
else {
/* On test system voltage transitions exceeding single
* step up or down were turning motherboard off. Both
@@ -663,7 +663,7 @@ static int longhaul_target(struct cpufreq_policy *policy,
while (i != table_index) {
vid = (longhaul_table[i].index >> 8) & 0x1f;
if (vid != current_vid) {
- longhaul_setstate(i);
+ longhaul_setstate(policy, i);
current_vid = vid;
msleep(200);
}
@@ -672,7 +672,7 @@ static int longhaul_target(struct cpufreq_policy *policy,
else
i--;
}
- longhaul_setstate(table_index);
+ longhaul_setstate(policy, table_index);
}
longhaul_index = table_index;
return 0;
@@ -998,15 +998,17 @@ static int __init longhaul_init(void)
static void __exit longhaul_exit(void)
{
+ struct cpufreq_policy *policy = cpufreq_cpu_get(0);
int i;
for (i = 0; i < numscales; i++) {
if (mults[i] == maxmult) {
- longhaul_setstate(i);
+ longhaul_setstate(policy, i);
break;
}
}
+ cpufreq_cpu_put(policy);
cpufreq_unregister_driver(&longhaul_driver);
kfree(longhaul_table);
}
diff --git a/drivers/cpufreq/maple-cpufreq.c b/drivers/cpufreq/maple-cpufreq.c
index d4c4989823dc4832ac0d80db79bd8ee338ccd54b..cdd62915efafbc1708ee68d4d71d99c20d741b9e 100644
--- a/drivers/cpufreq/maple-cpufreq.c
+++ b/drivers/cpufreq/maple-cpufreq.c
@@ -158,11 +158,10 @@ static int maple_cpufreq_target(struct cpufreq_policy *policy,
freqs.old = maple_cpu_freqs[maple_pmode_cur].frequency;
freqs.new = maple_cpu_freqs[newstate].frequency;
- freqs.cpu = 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
rc = maple_scom_switch_freq(newstate);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
mutex_unlock(&maple_switch_mutex);
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 9128c07bafba37c22b46e2b425a43666264fecfe..b610edd820b1df22f18f36de625c0307cd4b6f15 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -88,16 +88,12 @@ static int omap_target(struct cpufreq_policy *policy,
}
freqs.old = omap_getspeed(policy->cpu);
- freqs.cpu = policy->cpu;
if (freqs.old == freqs.new && policy->cur == freqs.new)
return ret;
/* notifiers */
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
freq = freqs.new * 1000;
ret = clk_round_rate(mpu_clk, freq);
@@ -157,10 +153,7 @@ static int omap_target(struct cpufreq_policy *policy,
done:
/* notifiers */
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return ret;
}
diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c
index 827629c9aad76a0a9a6a549e658160c18b5a4d53..4b2e7737b939da889dc4e7fb2853970f708f1795 100644
--- a/drivers/cpufreq/p4-clockmod.c
+++ b/drivers/cpufreq/p4-clockmod.c
@@ -125,10 +125,7 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
return 0;
/* notifiers */
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* run on each logical CPU,
* see section 13.15.3 of IA32 Intel Architecture Software
@@ -138,10 +135,7 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
cpufreq_p4_setdc(i, p4clockmod_table[newstate].index);
/* notifiers */
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index 503996a94a6af3d4f41292794c14f261ada96ae1..0de00081a81e9b636d42a282123f902838a1e306 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -215,8 +215,7 @@ static int pcc_cpufreq_target(struct cpufreq_policy *policy,
(pcch_virt_addr + pcc_cpu_data->input_offset));
freqs.new = target_freq;
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
input_buffer = 0x1 | (((target_freq * 100)
/ (ioread32(&pcch_hdr->nominal) * 1000)) << 8);
@@ -237,7 +236,7 @@ static int pcc_cpufreq_target(struct cpufreq_policy *policy,
}
iowrite16(0, &pcch_hdr->status);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
pr_debug("target: was SUCCESSFUL for cpu %d\n", cpu);
spin_unlock(&pcc_lock);
diff --git a/drivers/cpufreq/powernow-k6.c b/drivers/cpufreq/powernow-k6.c
index af23e0b9ec926e8f26cc07dc4c90e5359d404486..ea0222a45b7b4241d66af2d4ba64e894a2caa178 100644
--- a/drivers/cpufreq/powernow-k6.c
+++ b/drivers/cpufreq/powernow-k6.c
@@ -68,7 +68,8 @@ static int powernow_k6_get_cpu_multiplier(void)
*
* Tries to change the PowerNow! multiplier
*/
-static void powernow_k6_set_state(unsigned int best_i)
+static void powernow_k6_set_state(struct cpufreq_policy *policy,
+ unsigned int best_i)
{
unsigned long outvalue = 0, invalue = 0;
unsigned long msrval;
@@ -81,9 +82,8 @@ static void powernow_k6_set_state(unsigned int best_i)
freqs.old = busfreq * powernow_k6_get_cpu_multiplier();
freqs.new = busfreq * clock_ratio[best_i].index;
- freqs.cpu = 0; /* powernow-k6.c is UP only driver */
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* we now need to transform best_i to the BVC format, see AMD#23446 */
@@ -98,7 +98,7 @@ static void powernow_k6_set_state(unsigned int best_i)
msrval = POWERNOW_IOPORT + 0x0;
wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return;
}
@@ -136,7 +136,7 @@ static int powernow_k6_target(struct cpufreq_policy *policy,
target_freq, relation, &newstate))
return -EINVAL;
- powernow_k6_set_state(newstate);
+ powernow_k6_set_state(policy, newstate);
return 0;
}
@@ -182,7 +182,7 @@ static int powernow_k6_cpu_exit(struct cpufreq_policy *policy)
unsigned int i;
for (i = 0; i < 8; i++) {
if (i == max_multiplier)
- powernow_k6_set_state(i);
+ powernow_k6_set_state(policy, i);
}
cpufreq_frequency_table_put_attr(policy->cpu);
return 0;
diff --git a/drivers/cpufreq/powernow-k7.c b/drivers/cpufreq/powernow-k7.c
index 334cc2f1e9f1fe1a675b7d9eadf9819fbedadfce..53888dacbe585608b0af69d8a8fbe6df8612c54a 100644
--- a/drivers/cpufreq/powernow-k7.c
+++ b/drivers/cpufreq/powernow-k7.c
@@ -248,7 +248,7 @@ static void change_VID(int vid)
}
-static void change_speed(unsigned int index)
+static void change_speed(struct cpufreq_policy *policy, unsigned int index)
{
u8 fid, vid;
struct cpufreq_freqs freqs;
@@ -263,15 +263,13 @@ static void change_speed(unsigned int index)
fid = powernow_table[index].index & 0xFF;
vid = (powernow_table[index].index & 0xFF00) >> 8;
- freqs.cpu = 0;
-
rdmsrl(MSR_K7_FID_VID_STATUS, fidvidstatus.val);
cfid = fidvidstatus.bits.CFID;
freqs.old = fsb * fid_codes[cfid] / 10;
freqs.new = powernow_table[index].frequency;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* Now do the magic poking into the MSRs. */
@@ -292,7 +290,7 @@ static void change_speed(unsigned int index)
if (have_a0 == 1)
local_irq_enable();
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
}
@@ -546,7 +544,7 @@ static int powernow_target(struct cpufreq_policy *policy,
relation, &newstate))
return -EINVAL;
- change_speed(newstate);
+ change_speed(policy, newstate);
return 0;
}
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index d13a13678b5f1989fd7906d2fb7dd4bcc61e6e06..52137a32396549d513083e6e42b95f0b477155ab 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -928,9 +928,10 @@ static int get_transition_latency(struct powernow_k8_data *data)
static int transition_frequency_fidvid(struct powernow_k8_data *data,
unsigned int index)
{
+ struct cpufreq_policy *policy;
u32 fid = 0;
u32 vid = 0;
- int res, i;
+ int res;
struct cpufreq_freqs freqs;
pr_debug("cpu %d transition to index %u\n", smp_processor_id(), index);
@@ -959,10 +960,10 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data,
freqs.old = find_khz_freq_from_fid(data->currfid);
freqs.new = find_khz_freq_from_fid(fid);
- for_each_cpu(i, data->available_cores) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ policy = cpufreq_cpu_get(smp_processor_id());
+ cpufreq_cpu_put(policy);
+
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
res = transition_fid_vid(data, fid, vid);
if (res)
@@ -970,10 +971,7 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data,
freqs.new = find_khz_freq_from_fid(data->currfid);
- for_each_cpu(i, data->available_cores) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return res;
}
diff --git a/drivers/cpufreq/s3c2416-cpufreq.c b/drivers/cpufreq/s3c2416-cpufreq.c
index bcc053bc02c4236ecf81702291c8b90ea9a7fb74..4f1881eee3f12a803a58ae373f044551f87d4edb 100644
--- a/drivers/cpufreq/s3c2416-cpufreq.c
+++ b/drivers/cpufreq/s3c2416-cpufreq.c
@@ -256,7 +256,6 @@ static int s3c2416_cpufreq_set_target(struct cpufreq_policy *policy,
goto out;
}
- freqs.cpu = 0;
freqs.flags = 0;
freqs.old = s3c_freq->is_dvs ? FREQ_DVS
: clk_get_rate(s3c_freq->armclk) / 1000;
@@ -274,7 +273,7 @@ static int s3c2416_cpufreq_set_target(struct cpufreq_policy *policy,
if (!to_dvs && freqs.old == freqs.new)
goto out;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (to_dvs) {
pr_debug("cpufreq: enter dvs\n");
@@ -287,7 +286,7 @@ static int s3c2416_cpufreq_set_target(struct cpufreq_policy *policy,
ret = s3c2416_cpufreq_set_armdiv(s3c_freq, freqs.new);
}
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
out:
mutex_unlock(&cpufreq_lock);
diff --git a/drivers/cpufreq/s3c64xx-cpufreq.c b/drivers/cpufreq/s3c64xx-cpufreq.c
index 6f9490b3c356278e7ec22f6027250a403ef42eca..27cacb524796994f2cc06a5bef1478aa8e4b9e06 100644
--- a/drivers/cpufreq/s3c64xx-cpufreq.c
+++ b/drivers/cpufreq/s3c64xx-cpufreq.c
@@ -84,7 +84,6 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy,
if (ret != 0)
return ret;
- freqs.cpu = 0;
freqs.old = clk_get_rate(armclk) / 1000;
freqs.new = s3c64xx_freq_table[i].frequency;
freqs.flags = 0;
@@ -95,7 +94,7 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy,
pr_debug("Transition %d-%dkHz\n", freqs.old, freqs.new);
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
#ifdef CONFIG_REGULATOR
if (vddarm && freqs.new > freqs.old) {
@@ -117,7 +116,7 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy,
goto err;
}
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
#ifdef CONFIG_REGULATOR
if (vddarm && freqs.new < freqs.old) {
@@ -141,7 +140,7 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy,
if (clk_set_rate(armclk, freqs.old * 1000) < 0)
pr_err("Failed to restore original clock rate\n");
err:
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return ret;
}
diff --git a/drivers/cpufreq/s5pv210-cpufreq.c b/drivers/cpufreq/s5pv210-cpufreq.c
index a484aaea980910a4b59bc4d2ad61e9143d3ae52d..5c77570737937c298577303904baa60823fdce60 100644
--- a/drivers/cpufreq/s5pv210-cpufreq.c
+++ b/drivers/cpufreq/s5pv210-cpufreq.c
@@ -229,7 +229,6 @@ static int s5pv210_target(struct cpufreq_policy *policy,
}
freqs.new = s5pv210_freq_table[index].frequency;
- freqs.cpu = 0;
if (freqs.new == freqs.old)
goto exit;
@@ -256,7 +255,7 @@ static int s5pv210_target(struct cpufreq_policy *policy,
goto exit;
}
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
/* Check if there need to change PLL */
if ((index == L0) || (priv_index == L0))
@@ -468,7 +467,7 @@ static int s5pv210_target(struct cpufreq_policy *policy,
}
}
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
if (freqs.new < freqs.old) {
regulator_set_voltage(int_regulator,
diff --git a/drivers/cpufreq/sc520_freq.c b/drivers/cpufreq/sc520_freq.c
index e42e073cd9b87d8789b08fa0e5804289d1405ebf..f740b134d27b2f9e87edb5e5d0e76713539ebf62 100644
--- a/drivers/cpufreq/sc520_freq.c
+++ b/drivers/cpufreq/sc520_freq.c
@@ -53,7 +53,8 @@ static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
}
}
-static void sc520_freq_set_cpu_state(unsigned int state)
+static void sc520_freq_set_cpu_state(struct cpufreq_policy *policy,
+ unsigned int state)
{
struct cpufreq_freqs freqs;
@@ -61,9 +62,8 @@ static void sc520_freq_set_cpu_state(unsigned int state)
freqs.old = sc520_freq_get_cpu_frequency(0);
freqs.new = sc520_freq_table[state].frequency;
- freqs.cpu = 0; /* AMD Elan is UP */
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
pr_debug("attempting to set frequency to %i kHz\n",
sc520_freq_table[state].frequency);
@@ -75,7 +75,7 @@ static void sc520_freq_set_cpu_state(unsigned int state)
local_irq_enable();
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
};
static int sc520_freq_verify(struct cpufreq_policy *policy)
@@ -93,7 +93,7 @@ static int sc520_freq_target(struct cpufreq_policy *policy,
target_freq, relation, &newstate))
return -EINVAL;
- sc520_freq_set_cpu_state(newstate);
+ sc520_freq_set_cpu_state(policy, newstate);
return 0;
}
diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c
index 7e4d77327957f19116275cc3ff605f8897584fa0..156829f4576de63497147d6e72f5e1d05e2e5cae 100644
--- a/drivers/cpufreq/spear-cpufreq.c
+++ b/drivers/cpufreq/spear-cpufreq.c
@@ -121,7 +121,6 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy,
target_freq, relation, &index))
return -EINVAL;
- freqs.cpu = policy->cpu;
freqs.old = spear_cpufreq_get(0);
newfreq = spear_cpufreq.freq_tbl[index].frequency * 1000;
@@ -158,8 +157,7 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy,
freqs.new = newfreq / 1000;
freqs.new /= mult;
- for_each_cpu(freqs.cpu, policy->cpus)
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
if (mult == 2)
ret = spear1340_set_cpu_rate(srcclk, newfreq);
@@ -172,8 +170,7 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy,
freqs.new = clk_get_rate(spear_cpufreq.clk) / 1000;
}
- for_each_cpu(freqs.cpu, policy->cpus)
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return ret;
}
diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c
index 3a953d519f4610d3d84b80e031a2d2410bb80d3d..3dbbcc3519af39bcebc1e86b82c08faaa1ef60d8 100644
--- a/drivers/cpufreq/speedstep-centrino.c
+++ b/drivers/cpufreq/speedstep-centrino.c
@@ -457,7 +457,7 @@ static int centrino_target (struct cpufreq_policy *policy,
unsigned int msr, oldmsr = 0, h = 0, cpu = policy->cpu;
struct cpufreq_freqs freqs;
int retval = 0;
- unsigned int j, k, first_cpu, tmp;
+ unsigned int j, first_cpu, tmp;
cpumask_var_t covered_cpus;
if (unlikely(!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL)))
@@ -522,13 +522,8 @@ static int centrino_target (struct cpufreq_policy *policy,
pr_debug("target=%dkHz old=%d new=%d msr=%04x\n",
target_freq, freqs.old, freqs.new, msr);
- for_each_cpu(k, policy->cpus) {
- if (!cpu_online(k))
- continue;
- freqs.cpu = k;
- cpufreq_notify_transition(&freqs,
+ cpufreq_notify_transition(policy, &freqs,
CPUFREQ_PRECHANGE);
- }
first_cpu = 0;
/* all but 16 LSB are reserved, treat them with care */
@@ -544,12 +539,7 @@ static int centrino_target (struct cpufreq_policy *policy,
cpumask_set_cpu(j, covered_cpus);
}
- for_each_cpu(k, policy->cpus) {
- if (!cpu_online(k))
- continue;
- freqs.cpu = k;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
if (unlikely(retval)) {
/*
@@ -565,12 +555,8 @@ static int centrino_target (struct cpufreq_policy *policy,
tmp = freqs.new;
freqs.new = freqs.old;
freqs.old = tmp;
- for_each_cpu(j, policy->cpus) {
- if (!cpu_online(j))
- continue;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
}
retval = 0;
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c
index e29b59aa68a8b3173a41b4151c1dd6cdde609372..e2e5aa97145275a0b860ba119d736cc444a3fd2f 100644
--- a/drivers/cpufreq/speedstep-ich.c
+++ b/drivers/cpufreq/speedstep-ich.c
@@ -263,7 +263,6 @@ static int speedstep_target(struct cpufreq_policy *policy,
{
unsigned int newstate = 0, policy_cpu;
struct cpufreq_freqs freqs;
- int i;
if (cpufreq_frequency_table_target(policy, &speedstep_freqs[0],
target_freq, relation, &newstate))
@@ -272,7 +271,6 @@ static int speedstep_target(struct cpufreq_policy *policy,
policy_cpu = cpumask_any_and(policy->cpus, cpu_online_mask);
freqs.old = speedstep_get(policy_cpu);
freqs.new = speedstep_freqs[newstate].frequency;
- freqs.cpu = policy->cpu;
pr_debug("transiting from %u to %u kHz\n", freqs.old, freqs.new);
@@ -280,18 +278,12 @@ static int speedstep_target(struct cpufreq_policy *policy,
if (freqs.old == freqs.new)
return 0;
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
smp_call_function_single(policy_cpu, _speedstep_set_state, &newstate,
true);
- for_each_cpu(i, policy->cpus) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/drivers/cpufreq/speedstep-smi.c b/drivers/cpufreq/speedstep-smi.c
index 6a457fcaaad5f2c75bca49c818db20a55a91306c..f5a6b70ee6c0f1965a2794ace8d66c2c7e1aec38 100644
--- a/drivers/cpufreq/speedstep-smi.c
+++ b/drivers/cpufreq/speedstep-smi.c
@@ -252,14 +252,13 @@ static int speedstep_target(struct cpufreq_policy *policy,
freqs.old = speedstep_freqs[speedstep_get_state()].frequency;
freqs.new = speedstep_freqs[newstate].frequency;
- freqs.cpu = 0; /* speedstep.c is UP only driver */
if (freqs.old == freqs.new)
return 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
speedstep_set_state(newstate);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 4bbc572dd521e19bb9a7606ea9b19297fbb1ba05..037d36ae63e52d521def4ef34efeaf327479bcec 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -278,8 +278,8 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data);
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
-void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state);
-
+void cpufreq_notify_transition(struct cpufreq_policy *policy,
+ struct cpufreq_freqs *freqs, unsigned int state);
static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, unsigned int min, unsigned int max)
{