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Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c13
-rw-r--r--arch/x86/kernel/cpu/cpufreq/elanfreq.c42
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k6.c41
3 files changed, 49 insertions, 47 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index dd097b83583..c24c4a487b7 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -256,7 +256,8 @@ static u32 get_cur_val(const cpumask_t *mask)
* Only IA32_APERF/IA32_MPERF ratio is architecturally defined and
* no meaning should be associated with absolute values of these MSRs.
*/
-static unsigned int get_measured_perf(unsigned int cpu)
+static unsigned int get_measured_perf(struct cpufreq_policy *policy,
+ unsigned int cpu)
{
union {
struct {
@@ -326,7 +327,7 @@ static unsigned int get_measured_perf(unsigned int cpu)
#endif
- retval = per_cpu(drv_data, cpu)->max_freq * perf_percent / 100;
+ retval = per_cpu(drv_data, policy->cpu)->max_freq * perf_percent / 100;
put_cpu();
set_cpus_allowed_ptr(current, &saved_mask);
@@ -785,7 +786,11 @@ static int __init acpi_cpufreq_init(void)
if (ret)
return ret;
- return cpufreq_register_driver(&acpi_cpufreq_driver);
+ ret = cpufreq_register_driver(&acpi_cpufreq_driver);
+ if (ret)
+ free_percpu(acpi_perf_data);
+
+ return ret;
}
static void __exit acpi_cpufreq_exit(void)
@@ -795,8 +800,6 @@ static void __exit acpi_cpufreq_exit(void)
cpufreq_unregister_driver(&acpi_cpufreq_driver);
free_percpu(acpi_perf_data);
-
- return;
}
module_param(acpi_pstate_strict, uint, 0644);
diff --git a/arch/x86/kernel/cpu/cpufreq/elanfreq.c b/arch/x86/kernel/cpu/cpufreq/elanfreq.c
index e4a4bf870e9..fe613c93b36 100644
--- a/arch/x86/kernel/cpu/cpufreq/elanfreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/elanfreq.c
@@ -25,8 +25,8 @@
#include <linux/cpufreq.h>
#include <asm/msr.h>
-#include <asm/timex.h>
-#include <asm/io.h>
+#include <linux/timex.h>
+#include <linux/io.h>
#define REG_CSCIR 0x22 /* Chip Setup and Control Index Register */
#define REG_CSCDR 0x23 /* Chip Setup and Control Data Register */
@@ -82,7 +82,7 @@ static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu)
u8 clockspeed_reg; /* Clock Speed Register */
local_irq_disable();
- outb_p(0x80,REG_CSCIR);
+ outb_p(0x80, REG_CSCIR);
clockspeed_reg = inb_p(REG_CSCDR);
local_irq_enable();
@@ -98,10 +98,10 @@ static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu)
}
/* 33 MHz is not 32 MHz... */
- if ((clockspeed_reg & 0xE0)==0xA0)
+ if ((clockspeed_reg & 0xE0) == 0xA0)
return 33000;
- return ((1<<((clockspeed_reg & 0xE0) >> 5)) * 1000);
+ return (1<<((clockspeed_reg & 0xE0) >> 5)) * 1000;
}
@@ -117,7 +117,7 @@ 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(unsigned int state)
{
struct cpufreq_freqs freqs;
@@ -144,20 +144,20 @@ static void elanfreq_set_cpu_state (unsigned int state)
*/
local_irq_disable();
- outb_p(0x40,REG_CSCIR); /* Disable hyperspeed mode */
- outb_p(0x00,REG_CSCDR);
+ outb_p(0x40, REG_CSCIR); /* Disable hyperspeed mode */
+ outb_p(0x00, REG_CSCDR);
local_irq_enable(); /* wait till internal pipelines and */
udelay(1000); /* buffers have cleaned up */
local_irq_disable();
/* now, set the CPU clock speed register (0x80) */
- outb_p(0x80,REG_CSCIR);
- outb_p(elan_multiplier[state].val80h,REG_CSCDR);
+ outb_p(0x80, REG_CSCIR);
+ outb_p(elan_multiplier[state].val80h, REG_CSCDR);
/* now, the hyperspeed bit in PMU Force Mode Register (0x40) */
- outb_p(0x40,REG_CSCIR);
- outb_p(elan_multiplier[state].val40h,REG_CSCDR);
+ outb_p(0x40, REG_CSCIR);
+ outb_p(elan_multiplier[state].val40h, REG_CSCDR);
udelay(10000);
local_irq_enable();
@@ -173,12 +173,12 @@ static void elanfreq_set_cpu_state (unsigned int state)
* for the hardware supported by the driver.
*/
-static int elanfreq_verify (struct cpufreq_policy *policy)
+static int elanfreq_verify(struct cpufreq_policy *policy)
{
return cpufreq_frequency_table_verify(policy, &elanfreq_table[0]);
}
-static int elanfreq_target (struct cpufreq_policy *policy,
+static int elanfreq_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
{
@@ -205,7 +205,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy)
/* capability check */
if ((c->x86_vendor != X86_VENDOR_AMD) ||
- (c->x86 != 4) || (c->x86_model!=10))
+ (c->x86 != 4) || (c->x86_model != 10))
return -ENODEV;
/* max freq */
@@ -213,7 +213,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy)
max_freq = elanfreq_get_cpu_frequency(0);
/* table init */
- for (i=0; (elanfreq_table[i].frequency != CPUFREQ_TABLE_END); i++) {
+ for (i = 0; (elanfreq_table[i].frequency != CPUFREQ_TABLE_END); i++) {
if (elanfreq_table[i].frequency > max_freq)
elanfreq_table[i].frequency = CPUFREQ_ENTRY_INVALID;
}
@@ -224,7 +224,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy)
result = cpufreq_frequency_table_cpuinfo(policy, elanfreq_table);
if (result)
- return (result);
+ return result;
cpufreq_frequency_table_get_attr(elanfreq_table, policy->cpu);
return 0;
@@ -260,7 +260,7 @@ __setup("elanfreq=", elanfreq_setup);
#endif
-static struct freq_attr* elanfreq_attr[] = {
+static struct freq_attr *elanfreq_attr[] = {
&cpufreq_freq_attr_scaling_available_freqs,
NULL,
};
@@ -284,9 +284,9 @@ static int __init elanfreq_init(void)
/* Test if we have the right hardware */
if ((c->x86_vendor != X86_VENDOR_AMD) ||
- (c->x86 != 4) || (c->x86_model!=10)) {
+ (c->x86 != 4) || (c->x86_model != 10)) {
printk(KERN_INFO "elanfreq: error: no Elan processor found!\n");
- return -ENODEV;
+ return -ENODEV;
}
return cpufreq_register_driver(&elanfreq_driver);
}
@@ -298,7 +298,7 @@ static void __exit elanfreq_exit(void)
}
-module_param (max_freq, int, 0444);
+module_param(max_freq, int, 0444);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Robert Schwebel <r.schwebel@pengutronix.de>, Sven Geggus <sven@geggus.net>");
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
index eb9b62b0830..b5ced806a31 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
@@ -15,12 +15,11 @@
#include <linux/slab.h>
#include <asm/msr.h>
-#include <asm/timex.h>
-#include <asm/io.h>
+#include <linux/timex.h>
+#include <linux/io.h>
-
-#define POWERNOW_IOPORT 0xfff0 /* it doesn't matter where, as long
- as it is unused */
+#define POWERNOW_IOPORT 0xfff0 /* it doesn't matter where, as long
+ as it is unused */
static unsigned int busfreq; /* FSB, in 10 kHz */
static unsigned int max_multiplier;
@@ -53,7 +52,7 @@ static int powernow_k6_get_cpu_multiplier(void)
msrval = POWERNOW_IOPORT + 0x1;
wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */
- invalue=inl(POWERNOW_IOPORT + 0x8);
+ invalue = inl(POWERNOW_IOPORT + 0x8);
msrval = POWERNOW_IOPORT + 0x0;
wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */
@@ -67,9 +66,9 @@ 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(unsigned int best_i)
{
- unsigned long outvalue=0, invalue=0;
+ unsigned long outvalue = 0, invalue = 0;
unsigned long msrval;
struct cpufreq_freqs freqs;
@@ -90,10 +89,10 @@ static void powernow_k6_set_state (unsigned int best_i)
msrval = POWERNOW_IOPORT + 0x1;
wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */
- invalue=inl(POWERNOW_IOPORT + 0x8);
+ invalue = inl(POWERNOW_IOPORT + 0x8);
invalue = invalue & 0xf;
outvalue = outvalue | invalue;
- outl(outvalue ,(POWERNOW_IOPORT + 0x8));
+ outl(outvalue , (POWERNOW_IOPORT + 0x8));
msrval = POWERNOW_IOPORT + 0x0;
wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */
@@ -124,7 +123,7 @@ static int powernow_k6_verify(struct cpufreq_policy *policy)
*
* sets a new CPUFreq policy
*/
-static int powernow_k6_target (struct cpufreq_policy *policy,
+static int powernow_k6_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
{
@@ -152,7 +151,7 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
busfreq = cpu_khz / max_multiplier;
/* table init */
- for (i=0; (clock_ratio[i].frequency != CPUFREQ_TABLE_END); i++) {
+ for (i = 0; (clock_ratio[i].frequency != CPUFREQ_TABLE_END); i++) {
if (clock_ratio[i].index > max_multiplier)
clock_ratio[i].frequency = CPUFREQ_ENTRY_INVALID;
else
@@ -165,7 +164,7 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
result = cpufreq_frequency_table_cpuinfo(policy, clock_ratio);
if (result)
- return (result);
+ return result;
cpufreq_frequency_table_get_attr(clock_ratio, policy->cpu);
@@ -176,8 +175,8 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
static int powernow_k6_cpu_exit(struct cpufreq_policy *policy)
{
unsigned int i;
- for (i=0; i<8; i++) {
- if (i==max_multiplier)
+ for (i = 0; i < 8; i++) {
+ if (i == max_multiplier)
powernow_k6_set_state(i);
}
cpufreq_frequency_table_put_attr(policy->cpu);
@@ -189,7 +188,7 @@ static unsigned int powernow_k6_get(unsigned int cpu)
return busfreq * powernow_k6_get_cpu_multiplier();
}
-static struct freq_attr* powernow_k6_attr[] = {
+static struct freq_attr *powernow_k6_attr[] = {
&cpufreq_freq_attr_scaling_available_freqs,
NULL,
};
@@ -227,7 +226,7 @@ static int __init powernow_k6_init(void)
}
if (cpufreq_register_driver(&powernow_k6_driver)) {
- release_region (POWERNOW_IOPORT, 16);
+ release_region(POWERNOW_IOPORT, 16);
return -EINVAL;
}
@@ -243,13 +242,13 @@ static int __init powernow_k6_init(void)
static void __exit powernow_k6_exit(void)
{
cpufreq_unregister_driver(&powernow_k6_driver);
- release_region (POWERNOW_IOPORT, 16);
+ release_region(POWERNOW_IOPORT, 16);
}
-MODULE_AUTHOR ("Arjan van de Ven <arjanv@redhat.com>, Dave Jones <davej@codemonkey.org.uk>, Dominik Brodowski <linux@brodo.de>");
-MODULE_DESCRIPTION ("PowerNow! driver for AMD K6-2+ / K6-3+ processors.");
-MODULE_LICENSE ("GPL");
+MODULE_AUTHOR("Arjan van de Ven <arjanv@redhat.com>, Dave Jones <davej@codemonkey.org.uk>, Dominik Brodowski <linux@brodo.de>");
+MODULE_DESCRIPTION("PowerNow! driver for AMD K6-2+ / K6-3+ processors.");
+MODULE_LICENSE("GPL");
module_init(powernow_k6_init);
module_exit(powernow_k6_exit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 00:53:40 +0000