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-rw-r--r--arch/i386/kernel/cpu/centaur.c1
-rw-r--r--arch/i386/kernel/cpu/common.c57
-rw-r--r--arch/i386/kernel/cpu/cpufreq/Kconfig24
-rw-r--r--arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c64
-rw-r--r--arch/i386/kernel/cpu/cpufreq/elanfreq.c109
-rw-r--r--arch/i386/kernel/cpu/cpufreq/gx-suspmod.c183
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.h4
-rw-r--r--arch/i386/kernel/cpu/cpufreq/p4-clockmod.c26
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k6.c16
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k7.c10
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.c57
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.h8
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c4
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-lib.c42
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-lib.h20
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-smi.c53
-rw-r--r--arch/i386/kernel/cpu/intel.c12
-rw-r--r--arch/i386/kernel/cpu/intel_cacheinfo.c81
-rw-r--r--arch/i386/kernel/cpu/mcheck/mce.c4
-rw-r--r--arch/i386/kernel/cpu/mtrr/main.c13
-rw-r--r--arch/i386/kernel/cpu/proc.c4
21 files changed, 405 insertions, 387 deletions
diff --git a/arch/i386/kernel/cpu/centaur.c b/arch/i386/kernel/cpu/centaur.c
index f52669ecb93..bd75629dd26 100644
--- a/arch/i386/kernel/cpu/centaur.c
+++ b/arch/i386/kernel/cpu/centaur.c
@@ -4,6 +4,7 @@
#include <asm/processor.h>
#include <asm/msr.h>
#include <asm/e820.h>
+#include <asm/mtrr.h>
#include "cpu.h"
#ifdef CONFIG_X86_OOSTORE
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c
index e6bd095ae10..a06a49075f1 100644
--- a/arch/i386/kernel/cpu/common.c
+++ b/arch/i386/kernel/cpu/common.c
@@ -25,9 +25,10 @@ EXPORT_PER_CPU_SYMBOL(cpu_gdt_descr);
DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack);
-static int cachesize_override __devinitdata = -1;
-static int disable_x86_fxsr __devinitdata = 0;
-static int disable_x86_serial_nr __devinitdata = 1;
+static int cachesize_override __cpuinitdata = -1;
+static int disable_x86_fxsr __cpuinitdata;
+static int disable_x86_serial_nr __cpuinitdata = 1;
+static int disable_x86_sep __cpuinitdata;
struct cpu_dev * cpu_devs[X86_VENDOR_NUM] = {};
@@ -59,7 +60,7 @@ static int __init cachesize_setup(char *str)
}
__setup("cachesize=", cachesize_setup);
-int __devinit get_model_name(struct cpuinfo_x86 *c)
+int __cpuinit get_model_name(struct cpuinfo_x86 *c)
{
unsigned int *v;
char *p, *q;
@@ -89,7 +90,7 @@ int __devinit get_model_name(struct cpuinfo_x86 *c)
}
-void __devinit display_cacheinfo(struct cpuinfo_x86 *c)
+void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
{
unsigned int n, dummy, ecx, edx, l2size;
@@ -130,7 +131,7 @@ void __devinit display_cacheinfo(struct cpuinfo_x86 *c)
/* in particular, if CPUID levels 0x80000002..4 are supported, this isn't used */
/* Look up CPU names by table lookup. */
-static char __devinit *table_lookup_model(struct cpuinfo_x86 *c)
+static char __cpuinit *table_lookup_model(struct cpuinfo_x86 *c)
{
struct cpu_model_info *info;
@@ -151,7 +152,7 @@ static char __devinit *table_lookup_model(struct cpuinfo_x86 *c)
}
-static void __devinit get_cpu_vendor(struct cpuinfo_x86 *c, int early)
+static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c, int early)
{
char *v = c->x86_vendor_id;
int i;
@@ -187,6 +188,14 @@ static int __init x86_fxsr_setup(char * s)
__setup("nofxsr", x86_fxsr_setup);
+static int __init x86_sep_setup(char * s)
+{
+ disable_x86_sep = 1;
+ return 1;
+}
+__setup("nosep", x86_sep_setup);
+
+
/* Standard macro to see if a specific flag is changeable */
static inline int flag_is_changeable_p(u32 flag)
{
@@ -210,7 +219,7 @@ static inline int flag_is_changeable_p(u32 flag)
/* Probe for the CPUID instruction */
-static int __devinit have_cpuid_p(void)
+static int __cpuinit have_cpuid_p(void)
{
return flag_is_changeable_p(X86_EFLAGS_ID);
}
@@ -254,10 +263,10 @@ static void __init early_cpu_detect(void)
}
}
-void __devinit generic_identify(struct cpuinfo_x86 * c)
+void __cpuinit generic_identify(struct cpuinfo_x86 * c)
{
u32 tfms, xlvl;
- int junk;
+ int ebx;
if (have_cpuid_p()) {
/* Get vendor name */
@@ -273,7 +282,7 @@ void __devinit generic_identify(struct cpuinfo_x86 * c)
/* Intel-defined flags: level 0x00000001 */
if ( c->cpuid_level >= 0x00000001 ) {
u32 capability, excap;
- cpuid(0x00000001, &tfms, &junk, &excap, &capability);
+ cpuid(0x00000001, &tfms, &ebx, &excap, &capability);
c->x86_capability[0] = capability;
c->x86_capability[4] = excap;
c->x86 = (tfms >> 8) & 15;
@@ -283,6 +292,11 @@ void __devinit generic_identify(struct cpuinfo_x86 * c)
if (c->x86 >= 0x6)
c->x86_model += ((tfms >> 16) & 0xF) << 4;
c->x86_mask = tfms & 15;
+#ifdef CONFIG_SMP
+ c->apicid = phys_pkg_id((ebx >> 24) & 0xFF, 0);
+#else
+ c->apicid = (ebx >> 24) & 0xFF;
+#endif
} else {
/* Have CPUID level 0 only - unheard of */
c->x86 = 4;
@@ -307,7 +321,7 @@ void __devinit generic_identify(struct cpuinfo_x86 * c)
#endif
}
-static void __devinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
+static void __cpuinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
{
if (cpu_has(c, X86_FEATURE_PN) && disable_x86_serial_nr ) {
/* Disable processor serial number */
@@ -335,7 +349,7 @@ __setup("serialnumber", x86_serial_nr_setup);
/*
* This does the hard work of actually picking apart the CPU stuff...
*/
-void __devinit identify_cpu(struct cpuinfo_x86 *c)
+void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
{
int i;
@@ -405,6 +419,10 @@ void __devinit identify_cpu(struct cpuinfo_x86 *c)
clear_bit(X86_FEATURE_XMM, c->x86_capability);
}
+ /* SEP disabled? */
+ if (disable_x86_sep)
+ clear_bit(X86_FEATURE_SEP, c->x86_capability);
+
if (disable_pse)
clear_bit(X86_FEATURE_PSE, c->x86_capability);
@@ -417,7 +435,7 @@ void __devinit identify_cpu(struct cpuinfo_x86 *c)
else
/* Last resort... */
sprintf(c->x86_model_id, "%02x/%02x",
- c->x86_vendor, c->x86_model);
+ c->x86, c->x86_model);
}
/* Now the feature flags better reflect actual CPU features! */
@@ -453,7 +471,7 @@ void __devinit identify_cpu(struct cpuinfo_x86 *c)
}
#ifdef CONFIG_X86_HT
-void __devinit detect_ht(struct cpuinfo_x86 *c)
+void __cpuinit detect_ht(struct cpuinfo_x86 *c)
{
u32 eax, ebx, ecx, edx;
int index_msb, core_bits;
@@ -461,7 +479,6 @@ void __devinit detect_ht(struct cpuinfo_x86 *c)
cpuid(1, &eax, &ebx, &ecx, &edx);
- c->apicid = phys_pkg_id((ebx >> 24) & 0xFF, 0);
if (!cpu_has(c, X86_FEATURE_HT) || cpu_has(c, X86_FEATURE_CMP_LEGACY))
return;
@@ -500,7 +517,7 @@ void __devinit detect_ht(struct cpuinfo_x86 *c)
}
#endif
-void __devinit print_cpu_info(struct cpuinfo_x86 *c)
+void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
{
char *vendor = NULL;
@@ -523,7 +540,7 @@ void __devinit print_cpu_info(struct cpuinfo_x86 *c)
printk("\n");
}
-cpumask_t cpu_initialized __devinitdata = CPU_MASK_NONE;
+cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
/* This is hacky. :)
* We're emulating future behavior.
@@ -570,7 +587,7 @@ void __init early_cpu_init(void)
* and IDT. We reload them nevertheless, this function acts as a
* 'CPU state barrier', nothing should get across.
*/
-void __devinit cpu_init(void)
+void __cpuinit cpu_init(void)
{
int cpu = smp_processor_id();
struct tss_struct * t = &per_cpu(init_tss, cpu);
@@ -670,7 +687,7 @@ void __devinit cpu_init(void)
}
#ifdef CONFIG_HOTPLUG_CPU
-void __devinit cpu_uninit(void)
+void __cpuinit cpu_uninit(void)
{
int cpu = raw_smp_processor_id();
cpu_clear(cpu, cpu_initialized);
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index 26892d2099b..e44a4c6a4fe 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -96,7 +96,6 @@ config X86_POWERNOW_K8_ACPI
config X86_GX_SUSPMOD
tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation"
- depends on PCI
help
This add the CPUFreq driver for NatSemi Geode processors which
support suspend modulation.
@@ -115,9 +114,9 @@ config X86_SPEEDSTEP_CENTRINO
you also need to say Y to "Use ACPI tables to decode..." below
[which might imply enabling ACPI] if you want to use this driver
on non-Banias CPUs.
-
+
For details, take a look at <file:Documentation/cpu-freq/>.
-
+
If in doubt, say N.
config X86_SPEEDSTEP_CENTRINO_ACPI
@@ -148,7 +147,7 @@ config X86_SPEEDSTEP_ICH
help
This adds the CPUFreq driver for certain mobile Intel Pentium III
(Coppermine), all mobile Intel Pentium III-M (Tualatin) and all
- mobile Intel Pentium 4 P4-M on systems which have an Intel ICH2,
+ mobile Intel Pentium 4 P4-M on systems which have an Intel ICH2,
ICH3 or ICH4 southbridge.
For details, take a look at <file:Documentation/cpu-freq/>.
@@ -161,7 +160,7 @@ config X86_SPEEDSTEP_SMI
depends on EXPERIMENTAL
help
This adds the CPUFreq driver for certain mobile Intel Pentium III
- (Coppermine), all mobile Intel Pentium III-M (Tualatin)
+ (Coppermine), all mobile Intel Pentium III-M (Tualatin)
on systems which have an Intel 440BX/ZX/MX southbridge.
For details, take a look at <file:Documentation/cpu-freq/>.
@@ -203,9 +202,10 @@ config X86_LONGRUN
config X86_LONGHAUL
tristate "VIA Cyrix III Longhaul"
select CPU_FREQ_TABLE
+ depends on BROKEN
help
- This adds the CPUFreq driver for VIA Samuel/CyrixIII,
- VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
+ This adds the CPUFreq driver for VIA Samuel/CyrixIII,
+ VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
processors.
For details, take a look at <file:Documentation/cpu-freq/>.
@@ -215,11 +215,11 @@ config X86_LONGHAUL
comment "shared options"
config X86_ACPI_CPUFREQ_PROC_INTF
- bool "/proc/acpi/processor/../performance interface (deprecated)"
+ bool "/proc/acpi/processor/../performance interface (deprecated)"
depends on PROC_FS
depends on X86_ACPI_CPUFREQ || X86_SPEEDSTEP_CENTRINO_ACPI || X86_POWERNOW_K7_ACPI || X86_POWERNOW_K8_ACPI
help
- This enables the deprecated /proc/acpi/processor/../performance
+ This enables the deprecated /proc/acpi/processor/../performance
interface. While it is helpful for debugging, the generic,
cross-architecture cpufreq interfaces should be used.
@@ -233,9 +233,9 @@ config X86_SPEEDSTEP_RELAXED_CAP_CHECK
bool "Relaxed speedstep capability checks"
depends on (X86_SPEEDSTEP_SMI || X86_SPEEDSTEP_ICH)
help
- Don't perform all checks for a speedstep capable system which would
- normally be done. Some ancient or strange systems, though speedstep
- capable, don't always indicate that they are speedstep capable. This
+ Don't perform all checks for a speedstep capable system which would
+ normally be done. Some ancient or strange systems, though speedstep
+ capable, don't always indicate that they are speedstep capable. This
option lets the probing code bypass some of those checks if the
parameter "relaxed_check=1" is passed to the module.
diff --git a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
index 2b62dee35c6..f275e0d4aee 100644
--- a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
+++ b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
@@ -39,7 +39,7 @@ static struct pci_dev *nforce2_chipset_dev;
static int fid = 0;
/* min_fsb, max_fsb:
- * minimum and maximum FSB (= FSB at boot time)
+ * minimum and maximum FSB (= FSB at boot time)
*/
static int min_fsb = 0;
static int max_fsb = 0;
@@ -57,10 +57,10 @@ MODULE_PARM_DESC(min_fsb,
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "cpufreq-nforce2", msg)
-/*
+/**
* nforce2_calc_fsb - calculate FSB
* @pll: PLL value
- *
+ *
* Calculates FSB from PLL value
*/
static int nforce2_calc_fsb(int pll)
@@ -76,10 +76,10 @@ static int nforce2_calc_fsb(int pll)
return 0;
}
-/*
+/**
* nforce2_calc_pll - calculate PLL value
* @fsb: FSB
- *
+ *
* Calculate PLL value for given FSB
*/
static int nforce2_calc_pll(unsigned int fsb)
@@ -106,10 +106,10 @@ static int nforce2_calc_pll(unsigned int fsb)
return NFORCE2_PLL(mul, div);
}
-/*
+/**
* nforce2_write_pll - write PLL value to chipset
* @pll: PLL value
- *
+ *
* Writes new FSB PLL value to chipset
*/
static void nforce2_write_pll(int pll)
@@ -121,15 +121,13 @@ static void nforce2_write_pll(int pll)
pci_write_config_dword(nforce2_chipset_dev, NFORCE2_PLLADR, temp);
/* Now write the value in all 64 registers */
- for (temp = 0; temp <= 0x3f; temp++) {
- pci_write_config_dword(nforce2_chipset_dev,
- NFORCE2_PLLREG, pll);
- }
+ for (temp = 0; temp <= 0x3f; temp++)
+ pci_write_config_dword(nforce2_chipset_dev, NFORCE2_PLLREG, pll);
return;
}
-/*
+/**
* nforce2_fsb_read - Read FSB
*
* Read FSB from chipset
@@ -140,39 +138,32 @@ static unsigned int nforce2_fsb_read(int bootfsb)
struct pci_dev *nforce2_sub5;
u32 fsb, temp = 0;
-
/* Get chipset boot FSB from subdevice 5 (FSB at boot-time) */
nforce2_sub5 = pci_get_subsys(PCI_VENDOR_ID_NVIDIA,
- 0x01EF,
- PCI_ANY_ID,
- PCI_ANY_ID,
- NULL);
-
+ 0x01EF,PCI_ANY_ID,PCI_ANY_ID,NULL);
if (!nforce2_sub5)
return 0;
pci_read_config_dword(nforce2_sub5, NFORCE2_BOOTFSB, &fsb);
fsb /= 1000000;
-
+
/* Check if PLL register is already set */
- pci_read_config_byte(nforce2_chipset_dev,
- NFORCE2_PLLENABLE, (u8 *)&temp);
-
+ pci_read_config_byte(nforce2_chipset_dev,NFORCE2_PLLENABLE, (u8 *)&temp);
+
if(bootfsb || !temp)
return fsb;
/* Use PLL register FSB value */
- pci_read_config_dword(nforce2_chipset_dev,
- NFORCE2_PLLREG, &temp);
+ pci_read_config_dword(nforce2_chipset_dev,NFORCE2_PLLREG, &temp);
fsb = nforce2_calc_fsb(temp);
return fsb;
}
-/*
+/**
* nforce2_set_fsb - set new FSB
* @fsb: New FSB
- *
+ *
* Sets new FSB
*/
static int nforce2_set_fsb(unsigned int fsb)
@@ -186,7 +177,7 @@ static int nforce2_set_fsb(unsigned int fsb)
printk(KERN_ERR "cpufreq: FSB %d is out of range!\n", fsb);
return -EINVAL;
}
-
+
tfsb = nforce2_fsb_read(0);
if (!tfsb) {
printk(KERN_ERR "cpufreq: Error while reading the FSB\n");
@@ -194,8 +185,7 @@ static int nforce2_set_fsb(unsigned int fsb)
}
/* First write? Then set actual value */
- pci_read_config_byte(nforce2_chipset_dev,
- NFORCE2_PLLENABLE, (u8 *)&temp);
+ pci_read_config_byte(nforce2_chipset_dev,NFORCE2_PLLENABLE, (u8 *)&temp);
if (!temp) {
pll = nforce2_calc_pll(tfsb);
@@ -223,7 +213,7 @@ static int nforce2_set_fsb(unsigned int fsb)
/* Calculate the PLL reg. value */
if ((pll = nforce2_calc_pll(tfsb)) == -1)
return -EINVAL;
-
+
nforce2_write_pll(pll);
#ifdef NFORCE2_DELAY
mdelay(NFORCE2_DELAY);
@@ -239,7 +229,7 @@ static int nforce2_set_fsb(unsigned int fsb)
/**
* nforce2_get - get the CPU frequency
* @cpu: CPU number
- *
+ *
* Returns the CPU frequency
*/
static unsigned int nforce2_get(unsigned int cpu)
@@ -354,10 +344,10 @@ static int nforce2_cpu_init(struct cpufreq_policy *policy)
printk(KERN_INFO "cpufreq: FSB currently at %i MHz, FID %d.%d\n", fsb,
fid / 10, fid % 10);
-
+
/* Set maximum FSB to FSB at boot time */
max_fsb = nforce2_fsb_read(1);
-
+
if(!max_fsb)
return -EIO;
@@ -398,17 +388,15 @@ static struct cpufreq_driver nforce2_driver = {
* nforce2_detect_chipset - detect the Southbridge which contains FSB PLL logic
*
* Detects nForce2 A2 and C1 stepping
- *
+ *
*/
static unsigned int nforce2_detect_chipset(void)
{
u8 revision;
nforce2_chipset_dev = pci_get_subsys(PCI_VENDOR_ID_NVIDIA,
- PCI_DEVICE_ID_NVIDIA_NFORCE2,
- PCI_ANY_ID,
- PCI_ANY_ID,
- NULL);
+ PCI_DEVICE_ID_NVIDIA_NFORCE2,
+ PCI_ANY_ID, PCI_ANY_ID, NULL);
if (nforce2_chipset_dev == NULL)
return -ENODEV;
diff --git a/arch/i386/kernel/cpu/cpufreq/elanfreq.c b/arch/i386/kernel/cpu/cpufreq/elanfreq.c
index 3f7caa4ae6d..f317276afa7 100644
--- a/arch/i386/kernel/cpu/cpufreq/elanfreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/elanfreq.c
@@ -1,16 +1,16 @@
/*
- * elanfreq: cpufreq driver for the AMD ELAN family
+ * elanfreq: cpufreq driver for the AMD ELAN family
*
* (c) Copyright 2002 Robert Schwebel <r.schwebel@pengutronix.de>
*
- * Parts of this code are (c) Sven Geggus <sven@geggus.net>
+ * Parts of this code are (c) Sven Geggus <sven@geggus.net>
*
- * All Rights Reserved.
+ * All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
+ * 2 of the License, or (at your option) any later version.
*
* 2002-02-13: - initial revision for 2.4.18-pre9 by Robert Schwebel
*
@@ -28,7 +28,7 @@
#include <asm/timex.h>
#include <asm/io.h>
-#define REG_CSCIR 0x22 /* Chip Setup and Control Index Register */
+#define REG_CSCIR 0x22 /* Chip Setup and Control Index Register */
#define REG_CSCDR 0x23 /* Chip Setup and Control Data Register */
/* Module parameter */
@@ -41,7 +41,7 @@ struct s_elan_multiplier {
};
/*
- * It is important that the frequencies
+ * It is important that the frequencies
* are listed in ascending order here!
*/
struct s_elan_multiplier elan_multiplier[] = {
@@ -72,78 +72,79 @@ static struct cpufreq_frequency_table elanfreq_table[] = {
* elanfreq_get_cpu_frequency: determine current cpu speed
*
* Finds out at which frequency the CPU of the Elan SOC runs
- * at the moment. Frequencies from 1 to 33 MHz are generated
+ * at the moment. Frequencies from 1 to 33 MHz are generated
* the normal way, 66 and 99 MHz are called "Hyperspeed Mode"
- * and have the rest of the chip running with 33 MHz.
+ * and have the rest of the chip running with 33 MHz.
*/
static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu)
{
- u8 clockspeed_reg; /* Clock Speed Register */
-
+ u8 clockspeed_reg; /* Clock Speed Register */
+
local_irq_disable();
- outb_p(0x80,REG_CSCIR);
- clockspeed_reg = inb_p(REG_CSCDR);
+ outb_p(0x80,REG_CSCIR);
+ clockspeed_reg = inb_p(REG_CSCDR);
local_irq_enable();
- if ((clockspeed_reg & 0xE0) == 0xE0) { return 0; }
+ if ((clockspeed_reg & 0xE0) == 0xE0)
+ return 0;
- /* Are we in CPU clock multiplied mode (66/99 MHz)? */
- if ((clockspeed_reg & 0xE0) == 0xC0) {
- if ((clockspeed_reg & 0x01) == 0) {
+ /* Are we in CPU clock multiplied mode (66/99 MHz)? */
+ if ((clockspeed_reg & 0xE0) == 0xC0) {
+ if ((clockspeed_reg & 0x01) == 0)
return 66000;
- } else {
- return 99000;
- }
- }
+ else
+ return 99000;
+ }
/* 33 MHz is not 32 MHz... */
if ((clockspeed_reg & 0xE0)==0xA0)
return 33000;
- return ((1<<((clockspeed_reg & 0xE0) >> 5)) * 1000);
+ return ((1<<((clockspeed_reg & 0xE0) >> 5)) * 1000);
}
/**
- * elanfreq_set_cpu_frequency: Change the CPU core frequency
- * @cpu: cpu number
+ * elanfreq_set_cpu_frequency: Change the CPU core frequency
+ * @cpu: cpu number
* @freq: frequency in kHz
*
- * This function takes a frequency value and changes the CPU frequency
+ * This function takes a frequency value and changes the CPU frequency
* according to this. Note that the frequency has to be checked by
* elanfreq_validatespeed() for correctness!
- *
- * There is no return value.
+ *
+ * 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;
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);
- printk(KERN_INFO "elanfreq: attempting to set frequency to %i kHz\n",elan_multiplier[state].clock);
+ printk(KERN_INFO "elanfreq: attempting to set frequency to %i kHz\n",
+ elan_multiplier[state].clock);
- /*
- * Access to the Elan's internal registers is indexed via
- * 0x22: Chip Setup & Control Register Index Register (CSCI)
- * 0x23: Chip Setup & Control Register Data Register (CSCD)
+ /*
+ * Access to the Elan's internal registers is indexed via
+ * 0x22: Chip Setup & Control Register Index Register (CSCI)
+ * 0x23: Chip Setup & Control Register Data Register (CSCD)
*
*/
- /*
- * 0x40 is the Power Management Unit's Force Mode Register.
+ /*
+ * 0x40 is the Power Management Unit's Force Mode Register.
* Bit 6 enables Hyperspeed Mode (66/100 MHz core frequency)
*/
local_irq_disable();
- outb_p(0x40,REG_CSCIR); /* Disable hyperspeed mode */
+ 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 */
@@ -166,10 +167,10 @@ static void elanfreq_set_cpu_state (unsigned int state) {
/**
* elanfreq_validatespeed: test if frequency range is valid
- * @policy: the policy to validate
+ * @policy: the policy to validate
*
- * This function checks if a given frequency range in kHz is valid
- * for the hardware supported by the driver.
+ * This function checks if a given frequency range in kHz is valid
+ * for the hardware supported by the driver.
*/
static int elanfreq_verify (struct cpufreq_policy *policy)
@@ -177,11 +178,11 @@ 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,
- unsigned int target_freq,
+static int elanfreq_target (struct cpufreq_policy *policy,
+ unsigned int target_freq,
unsigned int relation)
{
- unsigned int newstate = 0;
+ unsigned int newstate = 0;
if (cpufreq_frequency_table_target(policy, &elanfreq_table[0], target_freq, relation, &newstate))
return -EINVAL;
@@ -212,7 +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;
}
@@ -226,8 +227,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy)
if (result)
return (result);
- cpufreq_frequency_table_get_attr(elanfreq_table, policy->cpu);
-
+ cpufreq_frequency_table_get_attr(elanfreq_table, policy->cpu);
return 0;
}
@@ -268,9 +268,9 @@ static struct freq_attr* elanfreq_attr[] = {
static struct cpufreq_driver elanfreq_driver = {
- .get = elanfreq_get_cpu_frequency,
- .verify = elanfreq_verify,
- .target = elanfreq_target,
+ .get = elanfreq_get_cpu_frequency,
+ .verify = elanfreq_verify,
+ .target = elanfreq_target,
.init = elanfreq_cpu_init,
.exit = elanfreq_cpu_exit,
.name = "elanfreq",
@@ -279,23 +279,21 @@ static struct cpufreq_driver elanfreq_driver = {
};
-static int __init elanfreq_init(void)
-{
+static int __init elanfreq_init(void)
+{
struct cpuinfo_x86 *c = cpu_data;
/* 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 cpufreq_register_driver(&elanfreq_driver);
}
-static void __exit elanfreq_exit(void)
+static void __exit elanfreq_exit(void)
{
cpufreq_unregister_driver(&elanfreq_driver);
}
@@ -309,4 +307,3 @@ MODULE_DESCRIPTION("cpufreq driver for AMD's Elan CPUs");
module_init(elanfreq_init);
module_exit(elanfreq_exit);
-
diff --git a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
index e86ea486c31..92afa3bc84f 100644
--- a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
+++ b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
@@ -6,12 +6,12 @@
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation
+ * version 2 as published by the Free Software Foundation
*
* The author(s) of this software shall not be held liable for damages
* of any nature resulting due to the use of this software. This
* software is provided AS-IS with no warranties.
- *
+ *
* Theoritical note:
*
* (see Geode(tm) CS5530 manual (rev.4.1) page.56)
@@ -21,18 +21,18 @@
*
* Suspend Modulation works by asserting and de-asserting the SUSP# pin
* to CPU(GX1/GXLV) for configurable durations. When asserting SUSP#
- * the CPU enters an idle state. GX1 stops its core clock when SUSP# is
+ * the CPU enters an idle state. GX1 stops its core clock when SUSP# is
* asserted then power consumption is reduced.
*
- * Suspend Modulation's OFF/ON duration are configurable
+ * Suspend Modulation's OFF/ON duration are configurable
* with 'Suspend Modulation OFF Count Register'
* and 'Suspend Modulation ON Count Register'.
- * These registers are 8bit counters that represent the number of
+ * These registers are 8bit counters that represent the number of
* 32us intervals which the SUSP# pin is asserted(ON)/de-asserted(OFF)
* to the processor.
*
- * These counters define a ratio which is the effective frequency
- * of operation of the system.
+ * These counters define a ratio which is the effective frequency
+ * of operation of the system.
*
* OFF Count
* F_eff = Fgx * ----------------------
@@ -40,24 +40,24 @@
*
* 0 <= On Count, Off Count <= 255
*
- * From these limits, we can get register values
+ * From these limits, we can get register values
*
* off_duration + on_duration <= MAX_DURATION
* on_duration = off_duration * (stock_freq - freq) / freq
*
- * off_duration = (freq * DURATION) / stock_freq
- * on_duration = DURATION - off_duration
+ * off_duration = (freq * DURATION) / stock_freq
+ * on_duration = DURATION - off_duration
*
*
*---------------------------------------------------------------------------
*
* ChangeLog:
- * Dec. 12, 2003 Hiroshi Miura <miura@da-cha.org>
- * - fix on/off register mistake
- * - fix cpu_khz calc when it stops cpu modulation.
+ * Dec. 12, 2003 Hiroshi Miura <miura@da-cha.org>
+ * - fix on/off register mistake
+ * - fix cpu_khz calc when it stops cpu modulation.
*
- * Dec. 11, 2002 Hiroshi Miura <miura@da-cha.org>
- * - rewrite for Cyrix MediaGX Cx5510/5520 and
+ * Dec. 11, 2002 Hiroshi Miura <miura@da-cha.org>
+ * - rewrite for Cyrix MediaGX Cx5510/5520 and
* NatSemi Geode Cs5530(A).
*
* Jul. ??, 2002 Zwane Mwaikambo <zwane@commfireservices.com>
@@ -74,40 +74,40 @@
************************************************************************/
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/cpufreq.h>
#include <linux/pci.h>
-#include <asm/processor.h>
+#include <asm/processor.h>
#include <asm/errno.h>
/* PCI config registers, all at F0 */
-#define PCI_PMER1 0x80 /* power management enable register 1 */
-#define PCI_PMER2 0x81 /* power management enable register 2 */
-#define PCI_PMER3 0x82 /* power management enable register 3 */
-#define PCI_IRQTC 0x8c /* irq speedup timer counter register:typical 2 to 4ms */
-#define PCI_VIDTC 0x8d /* video speedup timer counter register: typical 50 to 100ms */
-#define PCI_MODOFF 0x94 /* suspend modulation OFF counter register, 1 = 32us */
-#define PCI_MODON 0x95 /* suspend modulation ON counter register */
-#define PCI_SUSCFG 0x96 /* suspend configuration register */
+#define PCI_PMER1 0x80 /* power management enable register 1 */
+#define PCI_PMER2 0x81 /* power management enable register 2 */
+#define PCI_PMER3 0x82 /* power management enable register 3 */
+#define PCI_IRQTC 0x8c /* irq speedup timer counter register:typical 2 to 4ms */
+#define PCI_VIDTC 0x8d /* video speedup timer counter register: typical 50 to 100ms */
+#define PCI_MODOFF 0x94 /* suspend modulation OFF counter register, 1 = 32us */
+#define PCI_MODON 0x95 /* suspend modulation ON counter register */
+#define PCI_SUSCFG 0x96 /* suspend configuration register */
/* PMER1 bits */
-#define GPM (1<<0) /* global power management */
-#define GIT (1<<1) /* globally enable PM device idle timers */
-#define GTR (1<<2) /* globally enable IO traps */
-#define IRQ_SPDUP (1<<3) /* disable clock throttle during interrupt handling */
-#define VID_SPDUP (1<<4) /* disable clock throttle during vga video handling */
+#define GPM (1<<0) /* global power management */
+#define GIT (1<<1) /* globally enable PM device idle timers */
+#define GTR (1<<2) /* globally enable IO traps */
+#define IRQ_SPDUP (1<<3) /* disable clock throttle during interrupt handling */
+#define VID_SPDUP (1<<4) /* disable clock throttle during vga video handling */
/* SUSCFG bits */
-#define SUSMOD (1<<0) /* enable/disable suspend modulation */
-/* the belows support only with cs5530 (after rev.1.2)/cs5530A */
-#define SMISPDUP (1<<1) /* select how SMI re-enable suspend modulation: */
- /* IRQTC timer or read SMI speedup disable reg.(F1BAR[08-09h]) */
-#define SUSCFG (1<<2) /* enable powering down a GXLV processor. "Special 3Volt Suspend" mode */
-/* the belows support only with cs5530A */
-#define PWRSVE_ISA (1<<3) /* stop ISA clock */
-#define PWRSVE (1<<4) /* active idle */
+#define SUSMOD (1<<0) /* enable/disable suspend modulation */
+/* the belows support only with cs5530 (after rev.1.2)/cs5530A */
+#define SMISPDUP (1<<1) /* select how SMI re-enable suspend modulation: */
+ /* IRQTC timer or read SMI speedup disable reg.(F1BAR[08-09h]) */
+#define SUSCFG (1<<2) /* enable powering down a GXLV processor. "Special 3Volt Suspend" mode */
+/* the belows support only with cs5530A */
+#define PWRSVE_ISA (1<<3) /* stop ISA clock */
+#define PWRSVE (1<<4) /* active idle */
struct gxfreq_params {
u8 on_duration;
@@ -128,7 +128,7 @@ module_param (pci_busclk, int, 0444);
/* maximum duration for which the cpu may be suspended
* (32us * MAX_DURATION). If no parameter is given, this defaults
- * to 255.
+ * to 255.
* Note that this leads to a maximum of 8 ms(!) where the CPU clock
* is suspended -- processing power is just 0.39% of what it used to be,
* though. 781.25 kHz(!) for a 200 MHz processor -- wow. */
@@ -144,17 +144,17 @@ module_param (max_duration, int, 0444);
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "gx-suspmod", msg)
/**
- * we can detect a core multipiler from dir0_lsb
- * from GX1 datasheet p.56,
- * MULT[3:0]:
- * 0000 = SYSCLK multiplied by 4 (test only)
- * 0001 = SYSCLK multiplied by 10
- * 0010 = SYSCLK multiplied by 4
- * 0011 = SYSCLK multiplied by 6
- * 0100 = SYSCLK multiplied by 9
- * 0101 = SYSCLK multiplied by 5
- * 0110 = SYSCLK multiplied by 7
- * 0111 = SYSCLK multiplied by 8
+ * we can detect a core multipiler from dir0_lsb
+ * from GX1 datasheet p.56,
+ * MULT[3:0]:
+ * 0000 = SYSCLK multiplied by 4 (test only)
+ * 0001 = SYSCLK multiplied by 10
+ * 0010 = SYSCLK multiplied by 4
+ * 0011 = SYSCLK multiplied by 6
+ * 0100 = SYSCLK multiplied by 9
+ * 0101 = SYSCLK multiplied by 5
+ * 0110 = SYSCLK multiplied by 7
+ * 0111 = SYSCLK multiplied by 8
* of 33.3MHz
**/
static int gx_freq_mult[16] = {
@@ -164,17 +164,17 @@ static int gx_freq_mult[16] = {
/****************************************************************
- * Low Level chipset interface *
+ * Low Level chipset interface *
****************************************************************/
static struct pci_device_id gx_chipset_tbl[] __initdata = {
- { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5520, PCI_ANY_ID, PCI_ANY_ID },
- { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5510, PCI_ANY_ID, PCI_ANY_ID },
- { 0, },
+ { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, PCI_ANY_ID, PCI_ANY_ID },
+ { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5520, PCI_ANY_ID, PCI_ANY_ID },
+ { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5510, PCI_ANY_ID, PCI_ANY_ID },
+ { 0, },
};
/**
- * gx_detect_chipset:
+ * gx_detect_chipset:
*
**/
static __init struct pci_dev *gx_detect_chipset(void)
@@ -182,17 +182,16 @@ static __init struct pci_dev *gx_detect_chipset(void)
struct pci_dev *gx_pci = NULL;
/* check if CPU is a MediaGX or a Geode. */
- if ((current_cpu_data.x86_vendor != X86_VENDOR_NSC) &&
+ if ((current_cpu_data.x86_vendor != X86_VENDOR_NSC) &&
(current_cpu_data.x86_vendor != X86_VENDOR_CYRIX)) {
dprintk("error: no MediaGX/Geode processor found!\n");
- return NULL;
+ return NULL;
}
/* detect which companion chip is used */
while ((gx_pci = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, gx_pci)) != NULL) {
- if ((pci_match_id(gx_chipset_tbl, gx_pci)) != NULL) {
+ if ((pci_match_id(gx_chipset_tbl, gx_pci)) != NULL)
return gx_pci;
- }
}
dprintk("error: no supported chipset found!\n");
@@ -200,24 +199,24 @@ static __init struct pci_dev *gx_detect_chipset(void)
}
/**
- * gx_get_cpuspeed:
+ * gx_get_cpuspeed:
*
* Finds out at which efficient frequency the Cyrix MediaGX/NatSemi Geode CPU runs.
*/
static unsigned int gx_get_cpuspeed(unsigned int cpu)
{
- if ((gx_params->pci_suscfg & SUSMOD) == 0)
+ if ((gx_params->pci_suscfg & SUSMOD) == 0)
return stock_freq;
- return (stock_freq * gx_params->off_duration)
+ return (stock_freq * gx_params->off_duration)
/ (gx_params->on_duration + gx_params->off_duration);
}
/**
* gx_validate_speed:
* determine current cpu speed
- *
-**/
+ *
+ **/
static unsigned int gx_validate_speed(unsigned int khz, u8 *on_duration, u8 *off_duration)
{
@@ -230,7 +229,7 @@ static unsigned int gx_validate_speed(unsigned int khz, u8 *on_duration, u8 *off
*on_duration=0;
for (i=max_duration; i>0; i--) {
- tmp_off = ((khz * i) / stock_freq) & 0xff;
+ tmp_off = ((khz * i) / stock_freq) & 0xff;
tmp_on = i - tmp_off;
tmp_freq = (stock_freq * tmp_off) / i;
/* if this relation is closer to khz, use this. If it's equal,
@@ -247,18 +246,17 @@ static unsigned int gx_validate_speed(unsigned int khz, u8 *on_duration, u8 *off
/**
- * gx_set_cpuspeed:
- * set cpu speed in khz.
+ * gx_set_cpuspeed:
+ * set cpu speed in khz.
**/
static void gx_set_cpuspeed(unsigned int khz)
{
- u8 suscfg, pmer1;
+ u8 suscfg, pmer1;
unsigned int new_khz;
unsigned long flags;
struct cpufreq_freqs freqs;
-
freqs.cpu = 0;
freqs.old = gx_get_cpuspeed(0);
@@ -303,18 +301,18 @@ static void gx_set_cpuspeed(unsigned int khz)
pci_write_config_byte(gx_params->cs55x0, PCI_MODOFF, gx_params->off_duration);
pci_write_config_byte(gx_params->cs55x0, PCI_MODON, gx_params->on_duration);
- pci_write_config_byte(gx_params->cs55x0, PCI_SUSCFG, suscfg);
- pci_read_config_byte(gx_params->cs55x0, PCI_SUSCFG, &suscfg);
+ pci_write_config_byte(gx_params->cs55x0, PCI_SUSCFG, suscfg);
+ pci_read_config_byte(gx_params->cs55x0, PCI_SUSCFG, &suscfg);
- local_irq_restore(flags);
+ local_irq_restore(flags);
gx_params->pci_suscfg = suscfg;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- dprintk("suspend modulation w/ duration of ON:%d us, OFF:%d us\n",
- gx_params->on_duration * 32, gx_params->off_duration * 32);
- dprintk("suspend modulation w/ clock speed: %d kHz.\n", freqs.new);
+ dprintk("suspend modulation w/ duration of ON:%d us, OFF:%d us\n",
+ gx_params->on_duration * 32, gx_params->off_duration * 32);
+ dprintk("suspend modulation w/ clock speed: %d kHz.\n", freqs.new);
}
/****************************************************************
@@ -322,10 +320,10 @@ static void gx_set_cpuspeed(unsigned int khz)
****************************************************************/
/*
- * cpufreq_gx_verify: test if frequency range is valid
+ * cpufreq_gx_verify: test if frequency range is valid
*
- * This function checks if a given frequency range in kHz is valid
- * for the hardware supported by the driver.
+ * This function checks if a given frequency range in kHz is valid
+ * for the hardware supported by the driver.
*/
static int cpufreq_gx_verify(struct cpufreq_policy *policy)
@@ -333,8 +331,8 @@ static int cpufreq_gx_verify(struct cpufreq_policy *policy)
unsigned int tmp_freq = 0;
u8 tmp1, tmp2;
- if (!stock_freq || !policy)
- return -EINVAL;
+ if (!stock_freq || !policy)
+ return -EINVAL;
policy->cpu = 0;
cpufreq_verify_within_limits(policy, (stock_freq / max_duration), stock_freq);
@@ -342,14 +340,14 @@ static int cpufreq_gx_verify(struct cpufreq_policy *policy)
/* it needs to be assured that at least one supported frequency is
* within policy->min and policy->max. If it is not, policy->max
* needs to be increased until one freuqency is supported.
- * policy->min may not be decreased, though. This way we guarantee a
+ * policy->min may not be decreased, though. This way we guarantee a
* specific processing capacity.
*/
tmp_freq = gx_validate_speed(policy->min, &tmp1, &tmp2);
- if (tmp_freq < policy->min)
+ if (tmp_freq < policy->min)
tmp_freq += stock_freq / max_duration;
policy->min = tmp_freq;
- if (policy->min > policy->max)
+ if (policy->min > policy->max)
policy->max = tmp_freq;
tmp_freq = gx_validate_speed(policy->max, &tmp1, &tmp2);
if (tmp_freq > policy->max)
@@ -358,12 +356,12 @@ static int cpufreq_gx_verify(struct cpufreq_policy *policy)
if (policy->max < policy->min)
policy->max = policy->min;
cpufreq_verify_within_limits(policy, (stock_freq / max_duration), stock_freq);
-
+
return 0;
}
/*
- * cpufreq_gx_target:
+ * cpufreq_gx_target:
*
*/
static int cpufreq_gx_target(struct cpufreq_policy *policy,
@@ -373,8 +371,8 @@ static int cpufreq_gx_target(struct cpufreq_policy *policy,
u8 tmp1, tmp2;
unsigned int tmp_freq;
- if (!stock_freq || !policy)
- return -EINVAL;
+ if (!stock_freq || !policy)
+ return -EINVAL;
policy->cpu = 0;
@@ -431,7 +429,7 @@ static int cpufreq_gx_cpu_init(struct cpufreq_policy *policy)
return 0;
}
-/*
+/*
* cpufreq_gx_init:
* MediaGX/Geode GX initialize cpufreq driver
*/
@@ -452,7 +450,7 @@ static int __init cpufreq_gx_init(void)
u32 class_rev;
/* Test if we have the right hardware */
- if ((gx_pci = gx_detect_chipset()) == NULL)
+ if ((gx_pci = gx_detect_chipset()) == NULL)
return -ENODEV;
/* check whether module parameters are sane */
@@ -461,10 +459,9 @@ static int __init cpufreq_gx_init(void)
dprintk("geode suspend modulation available.\n");
- params = kmalloc(sizeof(struct gxfreq_params), GFP_KERNEL);
+ params = kzalloc(sizeof(struct gxfreq_params), GFP_KERNEL);
if (params == NULL)
return -ENOMEM;
- memset(params, 0, sizeof(struct gxfreq_params));
params->cs55x0 = gx_pci;
gx_params = params;
@@ -478,7 +475,7 @@ static int __init cpufreq_gx_init(void)
pci_read_config_dword(params->cs55x0, PCI_CLASS_REVISION, &class_rev);
params->pci_rev = class_rev && 0xff;
- if ((ret = cpufreq_register_driver(&gx_suspmod_driver))) {
+ if ((ret = cpufreq_register_driver(&gx_suspmod_driver))) {
kfree(params);
return ret; /* register error! */
}
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.h b/arch/i386/kernel/cpu/cpufreq/longhaul.h
index 2a495c162ec..d3a95d77ee8 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.h
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.h
@@ -234,7 +234,7 @@ static int __initdata ezrat_eblcr[32] = {
/*
* VIA C3 Nehemiah */
-
+
static int __initdata nehemiah_a_clock_ratio[32] = {
100, /* 0000 -> 10.0x */
160, /* 0001 -> 16.0x */
@@ -446,7 +446,7 @@ static int __initdata nehemiah_c_eblcr[32] = {
/* end of table */
};
-/*
+/*
* Voltage scales. Div/Mod by 1000 to get actual voltage.
* Which scale to use depends on the VRM type in use.
*/
diff --git a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c
index cc73a7ae34b..ab6504efd80 100644
--- a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c
@@ -14,7 +14,7 @@
* The author(s) of this software shall not be held liable for damages
* of any nature resulting due to the use of this software. This
* software is provided AS-IS with no warranties.
- *
+ *
* Date Errata Description
* 20020525 N44, O17 12.5% or 25% DC causes lockup
*
@@ -22,7 +22,7 @@
#include <linux/config.h>
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/cpufreq.h>
@@ -30,7 +30,7 @@
#include <linux/cpumask.h>
#include <linux/sched.h> /* current / set_cpus_allowed() */
-#include <asm/processor.h>
+#include <asm/processor.h>
#include <asm/msr.h>
#include <asm/timex.h>
@@ -79,7 +79,7 @@ static int cpufreq_p4_setdc(unsigned int cpu, unsigned int newstate)
} else {
dprintk("CPU#%d setting duty cycle to %d%%\n",
cpu, ((125 * newstate) / 10));
- /* bits 63 - 5 : reserved
+ /* bits 63 - 5 : reserved
* bit 4 : enable/disable
* bits 3-1 : duty cycle
* bit 0 : reserved
@@ -132,7 +132,7 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
}
/* run on each logical CPU, see section 13.15.3 of IA32 Intel Architecture Software
- * Developer's Manual, Volume 3
+ * Developer's Manual, Volume 3
*/
cpus_allowed = current->cpus_allowed;
@@ -206,7 +206,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_P4D);
}
-
+
static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy)
{
@@ -234,7 +234,7 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy)
dprintk("has errata -- disabling frequencies lower than 2ghz\n");
break;
}
-
+
/* get max frequency */
stock_freq = cpufreq_p4_get_frequency(c);
if (!stock_freq)
@@ -244,13 +244,13 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy)
for (i=1; (p4clockmod_table[i].frequency != CPUFREQ_TABLE_END); i++) {
if ((i<2) && (has_N44_O17_errata[policy->cpu]))
p4clockmod_table[i].frequency = CPUFREQ_ENTRY_INVALID;
- else if (has_N60_errata[policy->cpu] && p4clockmod_table[i].frequency < 2000000)
+ else if (has_N60_errata[policy->cpu] && ((stock_freq * i)/8) < 2000000)
p4clockmod_table[i].frequency = CPUFREQ_ENTRY_INVALID;
else
p4clockmod_table[i].frequency = (stock_freq * i)/8;
}
cpufreq_frequency_table_get_attr(p4clockmod_table, policy->cpu);
-
+
/* cpuinfo and default policy values */
policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
policy->cpuinfo.transition_latency = 1000000; /* assumed */
@@ -262,7 +262,7 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy)
static int cpufreq_p4_cpu_exit(struct cpufreq_policy *policy)
{
- cpufreq_frequency_table_put_attr(policy->cpu);
+ cpufreq_frequency_table_put_attr(policy->cpu);
return 0;
}
@@ -298,7 +298,7 @@ static struct freq_attr* p4clockmod_attr[] = {
};
static struct cpufreq_driver p4clockmod_driver = {
- .verify = cpufreq_p4_verify,
+ .verify = cpufreq_p4_verify,
.target = cpufreq_p4_target,
.init = cpufreq_p4_cpu_init,
.exit = cpufreq_p4_cpu_exit,
@@ -310,12 +310,12 @@ static struct cpufreq_driver p4clockmod_driver = {
static int __init cpufreq_p4_init(void)
-{
+{
struct cpuinfo_x86 *c = cpu_data;
int ret;
/*
- * THERM_CONTROL is architectural for IA32 now, so
+ * THERM_CONTROL is architectural for IA32 now, so
* we can rely on the capability checks
*/
if (c->x86_vendor != X86_VENDOR_INTEL)
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k6.c b/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
index 222f8cfe3c5..f89524051e4 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
@@ -8,7 +8,7 @@
*/
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
#include <linux/ioport.h>
@@ -50,7 +50,7 @@ static int powernow_k6_get_cpu_multiplier(void)
{
u64 invalue = 0;
u32 msrval;
-
+
msrval = POWERNOW_IOPORT + 0x1;
wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */
invalue=inl(POWERNOW_IOPORT + 0x8);
@@ -81,7 +81,7 @@ 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);
/* we now need to transform best_i to the BVC format, see AMD#23446 */
@@ -152,7 +152,7 @@ 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
@@ -182,7 +182,7 @@ static int powernow_k6_cpu_exit(struct cpufreq_policy *policy)
powernow_k6_set_state(i);
}
cpufreq_frequency_table_put_attr(policy->cpu);
- return 0;
+ return 0;
}
static unsigned int powernow_k6_get(unsigned int cpu)
@@ -196,8 +196,8 @@ static struct freq_attr* powernow_k6_attr[] = {
};
static struct cpufreq_driver powernow_k6_driver = {
- .verify = powernow_k6_verify,
- .target = powernow_k6_target,
+ .verify = powernow_k6_verify,
+ .target = powernow_k6_target,
.init = powernow_k6_cpu_init,
.exit = powernow_k6_cpu_exit,
.get = powernow_k6_get,
@@ -215,7 +215,7 @@ static struct cpufreq_driver powernow_k6_driver = {
* on success.
*/
static int __init powernow_k6_init(void)
-{
+{
struct cpuinfo_x86 *c = cpu_data;
if ((c->x86_vendor != X86_VENDOR_AMD) || (c->x86 != 5) ||
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index edcd626001d..2bf4237cb94 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -199,8 +199,8 @@ static int get_ranges (unsigned char *pst)
powernow_table[j].index |= (vid << 8); /* upper 8 bits */
dprintk (" FID: 0x%x (%d.%dx [%dMHz]) "
- "VID: 0x%x (%d.%03dV)\n", fid, fid_codes[fid] / 10,
- fid_codes[fid] % 10, speed/1000, vid,
+ "VID: 0x%x (%d.%03dV)\n", fid, fid_codes[fid] / 10,
+ fid_codes[fid] % 10, speed/1000, vid,
mobile_vid_table[vid]/1000,
mobile_vid_table[vid]%1000);
}
@@ -368,8 +368,8 @@ static int powernow_acpi_init(void)
}
dprintk (" FID: 0x%x (%d.%dx [%dMHz]) "
- "VID: 0x%x (%d.%03dV)\n", fid, fid_codes[fid] / 10,
- fid_codes[fid] % 10, speed/1000, vid,
+ "VID: 0x%x (%d.%03dV)\n", fid, fid_codes[fid] / 10,
+ fid_codes[fid] % 10, speed/1000, vid,
mobile_vid_table[vid]/1000,
mobile_vid_table[vid]%1000);
@@ -460,7 +460,7 @@ static int powernow_decode_bios (int maxfid, int startvid)
(maxfid==pst->maxfid) && (startvid==pst->startvid))
{
dprintk ("PST:%d (@%p)\n", i, pst);
- dprintk (" cpuid: 0x%x fsb: %d maxFID: 0x%x startvid: 0x%x\n",
+ dprintk (" cpuid: 0x%x fsb: %d maxFID: 0x%x startvid: 0x%x\n",
pst->cpuid, pst->fsbspeed, pst->maxfid, pst->startvid);
ret = get_ranges ((char *) pst + sizeof (struct pst_s));
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index e11a09207ec..712a26bd445 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -40,21 +40,22 @@
#ifdef CONFIG_X86_POWERNOW_K8_ACPI
#include <linux/acpi.h>
+#include <linux/mutex.h>
#include <acpi/processor.h>
#endif
#define PFX "powernow-k8: "
#define BFX PFX "BIOS error: "
-#define VERSION "version 1.60.0"
+#define VERSION "version 1.60.1"
#include "powernow-k8.h"
/* serialize freq changes */
-static DECLARE_MUTEX(fidvid_sem);
+static DEFINE_MUTEX(fidvid_mutex);
static struct powernow_k8_data *powernow_data[NR_CPUS];
#ifndef CONFIG_SMP
-static cpumask_t cpu_core_map[1];
+static cpumask_t cpu_core_map[1] = { CPU_MASK_ALL };
#endif
/* Return a frequency in MHz, given an input fid */
@@ -83,11 +84,10 @@ static u32 find_millivolts_from_vid(struct powernow_k8_data *data, u32 vid)
*/
static u32 convert_fid_to_vco_fid(u32 fid)
{
- if (fid < HI_FID_TABLE_BOTTOM) {
+ if (fid < HI_FID_TABLE_BOTTOM)
return 8 + (2 * fid);
- } else {
+ else
return fid;
- }
}
/*
@@ -177,7 +177,7 @@ static int write_new_fid(struct powernow_k8_data *data, u32 fid)
if (i++ > 100) {
printk(KERN_ERR PFX "internal error - pending bit very stuck - no further pstate changes possible\n");
return 1;
- }
+ }
} while (query_current_values_with_pending_wait(data));
count_off_irt(data);
@@ -474,8 +474,10 @@ static int check_supported_cpu(unsigned int cpu)
goto out;
eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE);
+ if ((eax & CPUID_XFAM) != CPUID_XFAM_K8)
+ goto out;
+
if (((eax & CPUID_USE_XFAM_XMOD) != CPUID_USE_XFAM_XMOD) ||
- ((eax & CPUID_XFAM) != CPUID_XFAM_K8) ||
((eax & CPUID_XMOD) > CPUID_XMOD_REV_G)) {
printk(KERN_INFO PFX "Processor cpuid %x not supported\n", eax);
goto out;
@@ -780,9 +782,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
/* verify only 1 entry from the lo frequency table */
if (fid < HI_FID_TABLE_BOTTOM) {
if (cntlofreq) {
- /* if both entries are the same, ignore this
- * one...
- */
+ /* if both entries are the same, ignore this one ... */
if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) ||
(powernow_table[i].index != powernow_table[cntlofreq].index)) {
printk(KERN_ERR PFX "Too many lo freq table entries\n");
@@ -854,7 +854,7 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
dprintk("cpu %d transition to index %u\n", smp_processor_id(), index);
/* fid are the lower 8 bits of the index we stored into
- * the cpufreq frequency table in find_psb_table, vid are
+ * the cpufreq frequency table in find_psb_table, vid are
* the upper 8 bits.
*/
@@ -909,7 +909,6 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
u32 checkvid = data->currvid;
unsigned int newstate;
int ret = -EIO;
- int i;
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
@@ -945,23 +944,17 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate))
goto err_out;
- down(&fidvid_sem);
+ mutex_lock(&fidvid_mutex);
powernow_k8_acpi_pst_values(data, newstate);
if (transition_frequency(data, newstate)) {
printk(KERN_ERR PFX "transition frequency failed\n");
ret = 1;
- up(&fidvid_sem);
+ mutex_unlock(&fidvid_mutex);
goto err_out;
}
-
- /* Update all the fid/vids of our siblings */
- for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
- powernow_data[i]->currvid = data->currvid;
- powernow_data[i]->currfid = data->currfid;
- }
- up(&fidvid_sem);
+ mutex_unlock(&fidvid_mutex);
pol->cur = find_khz_freq_from_fid(data->currfid);
ret = 0;
@@ -1048,7 +1041,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
pol->governor = CPUFREQ_DEFAULT_GOVERNOR;
pol->cpus = cpu_core_map[pol->cpu];
- /* Take a crude guess here.
+ /* Take a crude guess here.
* That guess was in microseconds, so multiply with 1000 */
pol->cpuinfo.transition_latency = (((data->rvo + 8) * data->vstable * VST_UNITS_20US)
+ (3 * (1 << data->irt) * 10)) * 1000;
@@ -1070,9 +1063,8 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
printk("cpu_init done, current fid 0x%x, vid 0x%x\n",
data->currfid, data->currvid);
- for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
+ for_each_cpu_mask(i, cpu_core_map[pol->cpu])
powernow_data[i] = data;
- }
return 0;
@@ -1103,10 +1095,15 @@ static int __devexit powernowk8_cpu_exit (struct cpufreq_policy *pol)
static unsigned int powernowk8_get (unsigned int cpu)
{
- struct powernow_k8_data *data = powernow_data[cpu];
+ struct powernow_k8_data *data;
cpumask_t oldmask = current->cpus_allowed;
unsigned int khz = 0;
+ data = powernow_data[first_cpu(cpu_core_map[cpu])];
+
+ if (!data)
+ return -EINVAL;
+
set_cpus_allowed(current, cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to CPU %d failed in powernowk8_get\n", cpu);
@@ -1145,16 +1142,14 @@ static int __cpuinit powernowk8_init(void)
{
unsigned int i, supported_cpus = 0;
- for (i=0; i<NR_CPUS; i++) {
- if (!cpu_online(i))
- continue;
+ for_each_online_cpu(i) {
if (check_supported_cpu(i))
supported_cpus++;
}
if (supported_cpus == num_online_cpus()) {
- printk(KERN_INFO PFX "Found %d AMD Athlon 64 / Opteron processors (" VERSION ")\n",
- supported_cpus);
+ printk(KERN_INFO PFX "Found %d AMD Athlon 64 / Opteron "
+ "processors (" VERSION ")\n", supported_cpus);
return cpufreq_register_driver(&cpufreq_amd64_driver);
}
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index d0de37d58e9..79a7c5c87ed 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -63,7 +63,7 @@ struct powernow_k8_data {
#define MSR_C_LO_VID_SHIFT 8
/* Field definitions within the FID VID High Control MSR : */
-#define MSR_C_HI_STP_GNT_TO 0x000fffff
+#define MSR_C_HI_STP_GNT_TO 0x000fffff
/* Field definitions within the FID VID Low Status MSR : */
#define MSR_S_LO_CHANGE_PENDING 0x80000000 /* cleared when completed */
@@ -123,7 +123,7 @@ struct powernow_k8_data {
* Most values of interest are enocoded in a single field of the _PSS
* entries: the "control" value.
*/
-
+
#define IRT_SHIFT 30
#define RVO_SHIFT 28
#define EXT_TYPE_SHIFT 27
@@ -182,10 +182,6 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid);
static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index);
-#ifndef for_each_cpu_mask
-#define for_each_cpu_mask(i,mask) for (i=0;i<1;i++)
-#endif
-
#ifdef CONFIG_SMP
static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[])
{
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index c173c0fa117..b0ff9075708 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -479,15 +479,13 @@ static int centrino_cpu_init(struct cpufreq_policy *policy)
unsigned l, h;
int ret;
int i;
- struct cpuinfo_x86 *c = &cpu_data[policy->cpu];
/* Only Intel makes Enhanced Speedstep-capable CPUs */
if (cpu->x86_vendor != X86_VENDOR_INTEL || !cpu_has(cpu, X86_FEATURE_EST))
return -ENODEV;
- if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
+ if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC))
centrino_driver.flags |= CPUFREQ_CONST_LOOPS;
- }
if (centrino_cpu_init_acpi(policy)) {
if (policy->cpu != 0)
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
index 7c47005a180..4f46cac155c 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
@@ -9,7 +9,7 @@
*/
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
@@ -36,8 +36,8 @@ static unsigned int pentium3_get_frequency (unsigned int processor)
/* See table 14 of p3_ds.pdf and table 22 of 29834003.pdf */
struct {
unsigned int ratio; /* Frequency Multiplier (x10) */
- u8 bitmap; /* power on configuration bits
- [27, 25:22] (in MSR 0x2a) */
+ u8 bitmap; /* power on configuration bits
+ [27, 25:22] (in MSR 0x2a) */
} msr_decode_mult [] = {
{ 30, 0x01 },
{ 35, 0x05 },
@@ -58,9 +58,9 @@ static unsigned int pentium3_get_frequency (unsigned int processor)
/* PIII(-M) FSB settings: see table b1-b of 24547206.pdf */
struct {
- unsigned int value; /* Front Side Bus speed in MHz */
- u8 bitmap; /* power on configuration bits [18: 19]
- (in MSR 0x2a) */
+ unsigned int value; /* Front Side Bus speed in MHz */
+ u8 bitmap; /* power on configuration bits [18: 19]
+ (in MSR 0x2a) */
} msr_decode_fsb [] = {
{ 66, 0x0 },
{ 100, 0x2 },
@@ -68,8 +68,8 @@ static unsigned int pentium3_get_frequency (unsigned int processor)
{ 0, 0xff}
};
- u32 msr_lo, msr_tmp;
- int i = 0, j = 0;
+ u32 msr_lo, msr_tmp;
+ int i = 0, j = 0;
/* read MSR 0x2a - we only need the low 32 bits */
rdmsr(MSR_IA32_EBL_CR_POWERON, msr_lo, msr_tmp);
@@ -106,7 +106,7 @@ static unsigned int pentium3_get_frequency (unsigned int processor)
static unsigned int pentiumM_get_frequency(void)
{
- u32 msr_lo, msr_tmp;
+ u32 msr_lo, msr_tmp;
rdmsr(MSR_IA32_EBL_CR_POWERON, msr_lo, msr_tmp);
dprintk("PM - MSR_IA32_EBL_CR_POWERON: 0x%x 0x%x\n", msr_lo, msr_tmp);
@@ -134,7 +134,7 @@ static unsigned int pentium4_get_frequency(void)
dprintk("P4 - MSR_EBC_FREQUENCY_ID: 0x%x 0x%x\n", msr_lo, msr_hi);
- /* decode the FSB: see IA-32 Intel (C) Architecture Software
+ /* decode the FSB: see IA-32 Intel (C) Architecture Software
* Developer's Manual, Volume 3: System Prgramming Guide,
* revision #12 in Table B-1: MSRs in the Pentium 4 and
* Intel Xeon Processors, on page B-4 and B-5.
@@ -170,7 +170,7 @@ static unsigned int pentium4_get_frequency(void)
return (fsb * mult);
}
-
+
unsigned int speedstep_get_processor_frequency(unsigned int processor)
{
switch (processor) {
@@ -198,11 +198,11 @@ EXPORT_SYMBOL_GPL(speedstep_get_processor_frequency);
unsigned int speedstep_detect_processor (void)
{
struct cpuinfo_x86 *c = cpu_data;
- u32 ebx, msr_lo, msr_hi;
+ u32 ebx, msr_lo, msr_hi;
dprintk("x86: %x, model: %x\n", c->x86, c->x86_model);
- if ((c->x86_vendor != X86_VENDOR_INTEL) ||
+ if ((c->x86_vendor != X86_VENDOR_INTEL) ||
((c->x86 != 6) && (c->x86 != 0xF)))
return 0;
@@ -218,15 +218,15 @@ unsigned int speedstep_detect_processor (void)
dprintk("ebx value is %x, x86_mask is %x\n", ebx, c->x86_mask);
switch (c->x86_mask) {
- case 4:
+ case 4:
/*
- * B-stepping [M-P4-M]
+ * B-stepping [M-P4-M]
* sample has ebx = 0x0f, production has 0x0e.
*/
if ((ebx == 0x0e) || (ebx == 0x0f))
return SPEEDSTEP_PROCESSOR_P4M;
break;
- case 7:
+ case 7:
/*
* C-stepping [M-P4-M]
* needs to have ebx=0x0e, else it's a celeron:
@@ -253,7 +253,7 @@ unsigned int speedstep_detect_processor (void)
* also, M-P4M HTs have ebx=0x8, too
* For now, they are distinguished by the model_id string
*/
- if ((ebx == 0x0e) || (strstr(c->x86_model_id,"Mobile Intel(R) Pentium(R) 4") != NULL))
+ if ((ebx == 0x0e) || (strstr(c->x86_model_id,"Mobile Intel(R) Pentium(R) 4") != NULL))
return SPEEDSTEP_PROCESSOR_P4M;
break;
default:
@@ -264,8 +264,7 @@ unsigned int speedstep_detect_processor (void)
switch (c->x86_model) {
case 0x0B: /* Intel PIII [Tualatin] */
- /* cpuid_ebx(1) is 0x04 for desktop PIII,
- 0x06 for mobile PIII-M */
+ /* cpuid_ebx(1) is 0x04 for desktop PIII, 0x06 for mobile PIII-M */
ebx = cpuid_ebx(0x00000001);
dprintk("ebx is %x\n", ebx);
@@ -275,9 +274,8 @@ unsigned int speedstep_detect_processor (void)
return 0;
/* So far all PIII-M processors support SpeedStep. See
- * Intel's 24540640.pdf of June 2003
+ * Intel's 24540640.pdf of June 2003
*/
-
return SPEEDSTEP_PROCESSOR_PIII_T;
case 0x08: /* Intel PIII [Coppermine] */
@@ -399,7 +397,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
}
}
- out:
+out:
local_irq_restore(flags);
return (ret);
}
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h
index 6a727fd3a77..b735429c50b 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h
@@ -14,7 +14,7 @@
#define SPEEDSTEP_PROCESSOR_PIII_C_EARLY 0x00000001 /* Coppermine core */
#define SPEEDSTEP_PROCESSOR_PIII_C 0x00000002 /* Coppermine core */
-#define SPEEDSTEP_PROCESSOR_PIII_T 0x00000003 /* Tualatin core */
+#define SPEEDSTEP_PROCESSOR_PIII_T 0x00000003 /* Tualatin core */
#define SPEEDSTEP_PROCESSOR_P4M 0x00000004 /* P4-M */
/* the following processors are not speedstep-capable and are not auto-detected
@@ -25,8 +25,8 @@
/* speedstep states -- only two of them */
-#define SPEEDSTEP_HIGH 0x00000000
-#define SPEEDSTEP_LOW 0x00000001
+#define SPEEDSTEP_HIGH 0x00000000
+#define SPEEDSTEP_LOW 0x00000001
/* detect a speedstep-capable processor */
@@ -36,13 +36,13 @@ extern unsigned int speedstep_detect_processor (void);
extern unsigned int speedstep_get_processor_frequency(unsigned int processor);
-/* detect the low and high speeds of the processor. The callback
- * set_state"'s first argument is either SPEEDSTEP_HIGH or
- * SPEEDSTEP_LOW; the second argument is zero so that no
+/* detect the low and high speeds of the processor. The callback
+ * set_state"'s first argument is either SPEEDSTEP_HIGH or
+ * SPEEDSTEP_LOW; the second argument is zero so that no
* cpufreq_notify_transition calls are initiated.
*/
extern unsigned int speedstep_get_freqs(unsigned int processor,
- unsigned int *low_speed,
- unsigned int *high_speed,
- unsigned int *transition_latency,
- void (*set_state) (unsigned int state));
+ unsigned int *low_speed,
+ unsigned int *high_speed,
+ unsigned int *transition_latency,
+ void (*set_state) (unsigned int state));
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
index 28cc5d524af..c28333d5364 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
@@ -13,8 +13,8 @@
*********************************************************************/
#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
#include <linux/pci.h>
@@ -28,21 +28,21 @@
*
* These parameters are got from IST-SMI BIOS call.
* If user gives it, these are used.
- *
+ *
*/
-static int smi_port = 0;
-static int smi_cmd = 0;
-static unsigned int smi_sig = 0;
+static int smi_port = 0;
+static int smi_cmd = 0;
+static unsigned int smi_sig = 0;
/* info about the processor */
-static unsigned int speedstep_processor = 0;
+static unsigned int speedstep_processor = 0;
-/*
- * There are only two frequency states for each processor. Values
+/*
+ * There are only two frequency states for each processor. Values
* are in kHz for the time being.
*/
static struct cpufreq_frequency_table speedstep_freqs[] = {
- {SPEEDSTEP_HIGH, 0},
+ {SPEEDSTEP_HIGH, 0},
{SPEEDSTEP_LOW, 0},
{0, CPUFREQ_TABLE_END},
};
@@ -75,7 +75,9 @@ static int speedstep_smi_ownership (void)
__asm__ __volatile__(
"out %%al, (%%dx)\n"
: "=D" (result)
- : "a" (command), "b" (function), "c" (0), "d" (smi_port), "D" (0), "S" (magic)
+ : "a" (command), "b" (function), "c" (0), "d" (smi_port),
+ "D" (0), "S" (magic)
+ : "memory"
);
dprintk("result is %x\n", result);
@@ -123,7 +125,7 @@ static int speedstep_smi_get_freqs (unsigned int *low, unsigned int *high)
*low = low_mhz * 1000;
return result;
-}
+}
/**
* speedstep_get_state - set the SpeedStep state
@@ -204,7 +206,7 @@ static void speedstep_set_state (unsigned int state)
* speedstep_target - set a new CPUFreq policy
* @policy: new policy
* @target_freq: new freq
- * @relation:
+ * @relation:
*
* Sets a new CPUFreq policy/freq.
*/
@@ -283,7 +285,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
state = speedstep_get_state();
speed = speedstep_freqs[state].frequency;
- dprintk("currently at %s speed setting - %i MHz\n",
+ dprintk("currently at %s speed setting - %i MHz\n",
(speed == speedstep_freqs[SPEEDSTEP_LOW].frequency) ? "low" : "high",
(speed / 1000));
@@ -296,7 +298,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
if (result)
return (result);
- cpufreq_frequency_table_get_attr(speedstep_freqs, policy->cpu);
+ cpufreq_frequency_table_get_attr(speedstep_freqs, policy->cpu);
return 0;
}
@@ -332,8 +334,8 @@ static struct freq_attr* speedstep_attr[] = {
static struct cpufreq_driver speedstep_driver = {
.name = "speedstep-smi",
- .verify = speedstep_verify,
- .target = speedstep_target,
+ .verify = speedstep_verify,
+ .target = speedstep_target,
.init = speedstep_cpu_init,
.exit = speedstep_cpu_exit,
.get = speedstep_get,
@@ -370,13 +372,12 @@ static int __init speedstep_init(void)
return -ENODEV;
}
- dprintk("signature:0x%.8lx, command:0x%.8lx, event:0x%.8lx, perf_level:0x%.8lx.\n",
+ dprintk("signature:0x%.8lx, command:0x%.8lx, event:0x%.8lx, perf_level:0x%.8lx.\n",
ist_info.signature, ist_info.command, ist_info.event, ist_info.perf_level);
-
- /* Error if no IST-SMI BIOS or no PARM
+ /* Error if no IST-SMI BIOS or no PARM
sig= 'ISGE' aka 'Intel Speedstep Gate E' */
- if ((ist_info.signature != 0x47534943) && (
+ if ((ist_info.signature != 0x47534943) && (
(smi_port == 0) || (smi_cmd == 0)))
return -ENODEV;
@@ -386,17 +387,15 @@ static int __init speedstep_init(void)
smi_sig = ist_info.signature;
/* setup smi_port from MODLULE_PARM or BIOS */
- if ((smi_port > 0xff) || (smi_port < 0)) {
+ if ((smi_port > 0xff) || (smi_port < 0))
return -EINVAL;
- } else if (smi_port == 0) {
+ else if (smi_port == 0)
smi_port = ist_info.command & 0xff;
- }
- if ((smi_cmd > 0xff) || (smi_cmd < 0)) {
+ if ((smi_cmd > 0xff) || (smi_cmd < 0))
return -EINVAL;
- } else if (smi_cmd == 0) {
+ else if (smi_cmd == 0)
smi_cmd = (ist_info.command >> 16) & 0xff;
- }
return cpufreq_register_driver(&speedstep_driver);
}
diff --git a/arch/i386/kernel/cpu/intel.c b/arch/i386/kernel/cpu/intel.c
index 8c0120186b9..5386b29bb5a 100644
--- a/arch/i386/kernel/cpu/intel.c
+++ b/arch/i386/kernel/cpu/intel.c
@@ -29,7 +29,7 @@ extern int trap_init_f00f_bug(void);
struct movsl_mask movsl_mask __read_mostly;
#endif
-void __devinit early_intel_workaround(struct cpuinfo_x86 *c)
+void __cpuinit early_intel_workaround(struct cpuinfo_x86 *c)
{
if (c->x86_vendor != X86_VENDOR_INTEL)
return;
@@ -44,7 +44,7 @@ void __devinit early_intel_workaround(struct cpuinfo_x86 *c)
* This is called before we do cpu ident work
*/
-int __devinit ppro_with_ram_bug(void)
+int __cpuinit ppro_with_ram_bug(void)
{
/* Uses data from early_cpu_detect now */
if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
@@ -62,7 +62,7 @@ int __devinit ppro_with_ram_bug(void)
* P4 Xeon errata 037 workaround.
* Hardware prefetcher may cause stale data to be loaded into the cache.
*/
-static void __devinit Intel_errata_workarounds(struct cpuinfo_x86 *c)
+static void __cpuinit Intel_errata_workarounds(struct cpuinfo_x86 *c)
{
unsigned long lo, hi;
@@ -81,7 +81,7 @@ static void __devinit Intel_errata_workarounds(struct cpuinfo_x86 *c)
/*
* find out the number of processor cores on the die
*/
-static int __devinit num_cpu_cores(struct cpuinfo_x86 *c)
+static int __cpuinit num_cpu_cores(struct cpuinfo_x86 *c)
{
unsigned int eax, ebx, ecx, edx;
@@ -96,7 +96,7 @@ static int __devinit num_cpu_cores(struct cpuinfo_x86 *c)
return 1;
}
-static void __devinit init_intel(struct cpuinfo_x86 *c)
+static void __cpuinit init_intel(struct cpuinfo_x86 *c)
{
unsigned int l2 = 0;
char *p = NULL;
@@ -205,7 +205,7 @@ static unsigned int intel_size_cache(struct cpuinfo_x86 * c, unsigned int size)
return size;
}
-static struct cpu_dev intel_cpu_dev __devinitdata = {
+static struct cpu_dev intel_cpu_dev __cpuinitdata = {
.c_vendor = "Intel",
.c_ident = { "GenuineIntel" },
.c_models = {
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index ffe58cee0c4..9df87b03612 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -173,8 +173,12 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
unsigned int trace = 0, l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */
unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */
unsigned int new_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */
+ unsigned int l2_id = 0, l3_id = 0, num_threads_sharing, index_msb;
+#ifdef CONFIG_SMP
+ unsigned int cpu = (c == &boot_cpu_data) ? 0 : (c - cpu_data);
+#endif
- if (c->cpuid_level > 4) {
+ if (c->cpuid_level > 3) {
static int is_initialized;
if (is_initialized == 0) {
@@ -205,9 +209,15 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
break;
case 2:
new_l2 = this_leaf.size/1024;
+ num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
+ index_msb = get_count_order(num_threads_sharing);
+ l2_id = c->apicid >> index_msb;
break;
case 3:
new_l3 = this_leaf.size/1024;
+ num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
+ index_msb = get_count_order(num_threads_sharing);
+ l3_id = c->apicid >> index_msb;
break;
default:
break;
@@ -215,11 +225,19 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
}
}
}
- if (c->cpuid_level > 1) {
+ /*
+ * Don't use cpuid2 if cpuid4 is supported. For P4, we use cpuid2 for
+ * trace cache
+ */
+ if ((num_cache_leaves == 0 || c->x86 == 15) && c->cpuid_level > 1) {
/* supports eax=2 call */
int i, j, n;
int regs[4];
unsigned char *dp = (unsigned char *)regs;
+ int only_trace = 0;
+
+ if (num_cache_leaves != 0 && c->x86 == 15)
+ only_trace = 1;
/* Number of times to iterate */
n = cpuid_eax(2) & 0xFF;
@@ -241,6 +259,8 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
while (cache_table[k].descriptor != 0)
{
if (cache_table[k].descriptor == des) {
+ if (only_trace && cache_table[k].cache_type != LVL_TRACE)
+ break;
switch (cache_table[k].cache_type) {
case LVL_1_INST:
l1i += cache_table[k].size;
@@ -266,34 +286,45 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
}
}
}
+ }
- if (new_l1d)
- l1d = new_l1d;
+ if (new_l1d)
+ l1d = new_l1d;
- if (new_l1i)
- l1i = new_l1i;
+ if (new_l1i)
+ l1i = new_l1i;
- if (new_l2)
- l2 = new_l2;
+ if (new_l2) {
+ l2 = new_l2;
+#ifdef CONFIG_SMP
+ cpu_llc_id[cpu] = l2_id;
+#endif
+ }
- if (new_l3)
- l3 = new_l3;
+ if (new_l3) {
+ l3 = new_l3;
+#ifdef CONFIG_SMP
+ cpu_llc_id[cpu] = l3_id;
+#endif
+ }
- if ( trace )
- printk (KERN_INFO "CPU: Trace cache: %dK uops", trace);
- else if ( l1i )
- printk (KERN_INFO "CPU: L1 I cache: %dK", l1i);
- if ( l1d )
- printk(", L1 D cache: %dK\n", l1d);
- else
- printk("\n");
- if ( l2 )
- printk(KERN_INFO "CPU: L2 cache: %dK\n", l2);
- if ( l3 )
- printk(KERN_INFO "CPU: L3 cache: %dK\n", l3);
+ if (trace)
+ printk (KERN_INFO "CPU: Trace cache: %dK uops", trace);
+ else if ( l1i )
+ printk (KERN_INFO "CPU: L1 I cache: %dK", l1i);
- c->x86_cache_size = l3 ? l3 : (l2 ? l2 : (l1i+l1d));
- }
+ if (l1d)
+ printk(", L1 D cache: %dK\n", l1d);
+ else
+ printk("\n");
+
+ if (l2)
+ printk(KERN_INFO "CPU: L2 cache: %dK\n", l2);
+
+ if (l3)
+ printk(KERN_INFO "CPU: L3 cache: %dK\n", l3);
+
+ c->x86_cache_size = l3 ? l3 : (l2 ? l2 : (l1i+l1d));
return l2;
}
@@ -330,7 +361,7 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index)
}
}
}
-static void __devinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
+static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
{
struct _cpuid4_info *this_leaf, *sibling_leaf;
int sibling;
diff --git a/arch/i386/kernel/cpu/mcheck/mce.c b/arch/i386/kernel/cpu/mcheck/mce.c
index 6170af3c271..afa0888f9a1 100644
--- a/arch/i386/kernel/cpu/mcheck/mce.c
+++ b/arch/i386/kernel/cpu/mcheck/mce.c
@@ -64,13 +64,13 @@ void mcheck_init(struct cpuinfo_x86 *c)
static int __init mcheck_disable(char *str)
{
mce_disabled = 1;
- return 0;
+ return 1;
}
static int __init mcheck_enable(char *str)
{
mce_disabled = -1;
- return 0;
+ return 1;
}
__setup("nomce", mcheck_disable);
diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c
index 3b4618bed70..fff90bda473 100644
--- a/arch/i386/kernel/cpu/mtrr/main.c
+++ b/arch/i386/kernel/cpu/mtrr/main.c
@@ -36,6 +36,7 @@
#include <linux/pci.h>
#include <linux/smp.h>
#include <linux/cpu.h>
+#include <linux/mutex.h>
#include <asm/mtrr.h>
@@ -47,7 +48,7 @@
u32 num_var_ranges = 0;
unsigned int *usage_table;
-static DECLARE_MUTEX(mtrr_sem);
+static DEFINE_MUTEX(mtrr_mutex);
u32 size_or_mask, size_and_mask;
@@ -333,7 +334,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
/* No CPU hotplug when we change MTRR entries */
lock_cpu_hotplug();
/* Search for existing MTRR */
- down(&mtrr_sem);
+ mutex_lock(&mtrr_mutex);
for (i = 0; i < num_var_ranges; ++i) {
mtrr_if->get(i, &lbase, &lsize, &ltype);
if (base >= lbase + lsize)
@@ -371,7 +372,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
printk(KERN_INFO "mtrr: no more MTRRs available\n");
error = i;
out:
- up(&mtrr_sem);
+ mutex_unlock(&mtrr_mutex);
unlock_cpu_hotplug();
return error;
}
@@ -464,7 +465,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
max = num_var_ranges;
/* No CPU hotplug when we change MTRR entries */
lock_cpu_hotplug();
- down(&mtrr_sem);
+ mutex_lock(&mtrr_mutex);
if (reg < 0) {
/* Search for existing MTRR */
for (i = 0; i < max; ++i) {
@@ -503,7 +504,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
set_mtrr(reg, 0, 0, 0);
error = reg;
out:
- up(&mtrr_sem);
+ mutex_unlock(&mtrr_mutex);
unlock_cpu_hotplug();
return error;
}
@@ -685,7 +686,7 @@ void mtrr_ap_init(void)
if (!mtrr_if || !use_intel())
return;
/*
- * Ideally we should hold mtrr_sem here to avoid mtrr entries changed,
+ * Ideally we should hold mtrr_mutex here to avoid mtrr entries changed,
* but this routine will be called in cpu boot time, holding the lock
* breaks it. This routine is called in two cases: 1.very earily time
* of software resume, when there absolutely isn't mtrr entry changes;
diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c
index 89a85af33d2..f94cdb7aca5 100644
--- a/arch/i386/kernel/cpu/proc.c
+++ b/arch/i386/kernel/cpu/proc.c
@@ -40,12 +40,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
/* Other (Linux-defined) */
"cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr",
NULL, NULL, NULL, NULL,
- "constant_tsc", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "constant_tsc", "up", NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* Intel-defined (#2) */
- "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", NULL, "est",
+ "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
"tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,