Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq

* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] kzalloc conversion for gx-suspmod
  [CPUFREQ] Whitespace cleanup
  [CPUFREQ] Mark longhaul driver as broken.
  [PATCH] cpufreq: fix section mismatch warnings
  [CPUFREQ] Fix the p4-clockmod N60 errata workaround.
  [CPUFREQ] Fix handling for CPU hotplug
  [CPUFREQ] powernow-k8: Let cpufreq driver handle affected CPUs
  [CPUFREQ] Lots of whitespace & CodingStyle cleanup.
  [CPUFREQ] Remove duplicate cpuinfo struct
  [CPUFREQ] Silence powernow-k8 warning on k7's.

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.
 

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;

arch/i386/kernel/cpu/cpufreq/elanfreq.c

 /*
- * 	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);
-

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.
  */

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)

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) ||

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));

arch/i386/kernel/cpu/cpufreq/powernow-k8.c

@@ -45,7 +45,7 @@
 
 #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  */
@@ -83,11 +83,10 @@ 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 +176,7 @@ 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 +473,10 @@ 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 +781,7 @@ 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 +853,7 @@ 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 +908,6 @@ 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;
@@ -955,12 +953,6 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 		up(&fidvid_sem);
 		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);
 
 	pol->cur = find_khz_freq_from_fid(data->currfid);
@@ -984,7 +976,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 {
 	struct powernow_k8_data *data;
 	cpumask_t oldmask = CPU_MASK_ALL;
-	int rc, i;
+	int rc;
 
 	if (!cpu_online(pol->cpu))
 		return -ENODEV;
@@ -1048,7 +1040,7 @@ 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 +1062,7 @@ 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]) {
-		powernow_data[i] = data;
-	}
+	powernow_data[pol->cpu] = data;
 
 	return 0;
 

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
@@ -185,7 +185,7 @@ static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned
 #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[])
 {

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)

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);
 }

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));

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},
 };
@@ -125,7 +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
@@ -206,7 +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.
  */
@@ -285,7 +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));
 
@@ -298,7 +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;
 }
@@ -334,8 +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,
@@ -372,13 +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;
 
@@ -388,17 +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);
 }

drivers/cpufreq/cpufreq.c

@@ -5,7 +5,9 @@
  *            (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
  *
  *  Oct 2005 - Ashok Raj <ashok.raj@intel.com>
- *         		Added handling for CPU hotplug
+ *	Added handling for CPU hotplug
+ *  Feb 2006 - Jacob Shin <jacob.shin@amd.com>
+ *	Fix handling for CPU hotplug -- affected CPUs
  *
  * 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
@@ -44,8 +46,8 @@ static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event)
 static void handle_update(void *data);
 
 /**
- * Two notifier lists: the "policy" list is involved in the 
- * validation process for a new CPU frequency policy; the 
+ * Two notifier lists: the "policy" list is involved in the
+ * validation process for a new CPU frequency policy; the
  * "transition" list for kernel code that needs to handle
  * changes to devices when the CPU clock speed changes.
  * The mutex locks both lists.
@@ -151,7 +153,7 @@ void cpufreq_debug_printk(unsigned int type, const char *prefix, const char *fmt
 	va_list args;
 	unsigned int len;
 	unsigned long flags;
-	
+
 	WARN_ON(!prefix);
 	if (type & debug) {
 		spin_lock_irqsave(&disable_ratelimit_lock, flags);
@@ -198,7 +200,7 @@ static inline void cpufreq_debug_disable_ratelimit(void) { return; }
  *
  * This function alters the system "loops_per_jiffy" for the clock
  * speed change. Note that loops_per_jiffy cannot be updated on SMP
- * systems as each CPU might be scaled differently. So, use the arch 
+ * systems as each CPU might be scaled differently. So, use the arch
  * per-CPU loops_per_jiffy value wherever possible.
  */
 #ifndef CONFIG_SMP
@@ -233,7 +235,7 @@ static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) {
  *
  * This function calls the transition notifiers and the "adjust_jiffies"
  * function. It is called twice on all CPU frequency changes that have
- * external effects. 
+ * external effects.
  */
 void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
 {
@@ -251,7 +253,7 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
 	switch (state) {
 
 	case CPUFREQ_PRECHANGE:
-		/* detect if the driver reported a value as "old frequency" 
+		/* detect if the driver reported a value as "old frequency"
 		 * which is not equal to what the cpufreq core thinks is
 		 * "old frequency".
 		 */
@@ -335,11 +337,11 @@ extern struct sysdev_class cpu_sysdev_class;
  * "unsigned int".
  */
 
-#define show_one(file_name, object)		 			\
-static ssize_t show_##file_name 					\
-(struct cpufreq_policy * policy, char *buf)				\
-{									\
-	return sprintf (buf, "%u\n", policy->object);			\
+#define show_one(file_name, object)			\
+static ssize_t show_##file_name				\
+(struct cpufreq_policy * policy, char *buf)		\
+{							\
+	return sprintf (buf, "%u\n", policy->object);	\
 }
 
 show_one(cpuinfo_min_freq, cpuinfo.min_freq);
@@ -404,8 +406,8 @@ static ssize_t show_scaling_governor (struct cpufreq_policy * policy, char *buf)
 /**
  * store_scaling_governor - store policy for the specified CPU
  */
-static ssize_t store_scaling_governor (struct cpufreq_policy * policy, 
-				       const char *buf, size_t count) 
+static ssize_t store_scaling_governor (struct cpufreq_policy * policy,
+				       const char *buf, size_t count)
 {
 	unsigned int ret = -EINVAL;
 	char	str_governor[16];
@@ -528,7 +530,7 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr ,char * buf)
 	return ret;
 }
 
-static ssize_t store(struct kobject * kobj, struct attribute * attr, 
+static ssize_t store(struct kobject * kobj, struct attribute * attr,
 		     const char * buf, size_t count)
 {
 	struct cpufreq_policy * policy = to_policy(kobj);
@@ -564,7 +566,7 @@ static struct kobj_type ktype_cpufreq = {
 /**
  * cpufreq_add_dev - add a CPU device
  *
- * Adds the cpufreq interface for a CPU device. 
+ * Adds the cpufreq interface for a CPU device.
  */
 static int cpufreq_add_dev (struct sys_device * sys_dev)
 {
@@ -573,8 +575,12 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
 	struct cpufreq_policy new_policy;
 	struct cpufreq_policy *policy;
 	struct freq_attr **drv_attr;
+	struct sys_device *cpu_sys_dev;
 	unsigned long flags;
 	unsigned int j;
+#ifdef CONFIG_SMP
+	struct cpufreq_policy *managed_policy;
+#endif
 
 	if (cpu_is_offline(cpu))
 		return 0;
@@ -587,8 +593,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
 	 * CPU because it is in the same boat. */
 	policy = cpufreq_cpu_get(cpu);
 	if (unlikely(policy)) {
-		dprintk("CPU already managed, adding link\n");
-		sysfs_create_link(&sys_dev->kobj, &policy->kobj, "cpufreq");
+		cpufreq_cpu_put(policy);
 		cpufreq_debug_enable_ratelimit();
 		return 0;
 	}
@@ -623,6 +628,32 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
 		goto err_out;
 	}
 
+#ifdef CONFIG_SMP
+	for_each_cpu_mask(j, policy->cpus) {
+		if (cpu == j)
+			continue;
+
+		/* check for existing affected CPUs.  They may not be aware
+		 * of it due to CPU Hotplug.
+		 */
+		managed_policy = cpufreq_cpu_get(j);
+		if (unlikely(managed_policy)) {
+			spin_lock_irqsave(&cpufreq_driver_lock, flags);
+			managed_policy->cpus = policy->cpus;
+			cpufreq_cpu_data[cpu] = managed_policy;
+			spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+			dprintk("CPU already managed, adding link\n");
+			sysfs_create_link(&sys_dev->kobj,
+					  &managed_policy->kobj, "cpufreq");
+
+			cpufreq_debug_enable_ratelimit();
+			mutex_unlock(&policy->lock);
+			ret = 0;
+			goto err_out_driver_exit; /* call driver->exit() */
+		}
+	}
+#endif
 	memcpy(&new_policy, policy, sizeof(struct cpufreq_policy));
 
 	/* prepare interface data */
@@ -650,6 +681,21 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
 	for_each_cpu_mask(j, policy->cpus)
 		cpufreq_cpu_data[j] = policy;
 	spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+	/* symlink affected CPUs */
+	for_each_cpu_mask(j, policy->cpus) {
+		if (j == cpu)
+			continue;
+		if (!cpu_online(j))
+			continue;
+
+		dprintk("CPU already managed, adding link\n");
+		cpufreq_cpu_get(cpu);
+		cpu_sys_dev = get_cpu_sysdev(j);
+		sysfs_create_link(&cpu_sys_dev->kobj, &policy->kobj,
+				  "cpufreq");
+	}
+
 	policy->governor = NULL; /* to assure that the starting sequence is
 				  * run in cpufreq_set_policy */
 	mutex_unlock(&policy->lock);
@@ -724,10 +770,11 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
 
 #ifdef CONFIG_SMP
 	/* if this isn't the CPU which is the parent of the kobj, we
-	 * only need to unlink, put and exit 
+	 * only need to unlink, put and exit
 	 */
 	if (unlikely(cpu != data->cpu)) {
 		dprintk("removing link\n");
+		cpu_clear(cpu, data->cpus);
 		spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
 		sysfs_remove_link(&sys_dev->kobj, "cpufreq");
 		cpufreq_cpu_put(data);
@@ -740,7 +787,7 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
 	if (!kobject_get(&data->kobj)) {
 		spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
 		cpufreq_debug_enable_ratelimit();
- 		return -EFAULT;
+		return -EFAULT;
 	}
 
 #ifdef CONFIG_SMP
@@ -783,7 +830,7 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
 	kobject_put(&data->kobj);
 
 	/* we need to make sure that the underlying kobj is actually
-	 * not referenced anymore by anybody before we proceed with 
+	 * not referenced anymore by anybody before we proceed with
 	 * unloading.
 	 */
 	dprintk("waiting for dropping of refcount\n");
@@ -831,7 +878,7 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigne
 }
 
 
-/** 
+/**
  * cpufreq_quick_get - get the CPU frequency (in kHz) frpm policy->cur
  * @cpu: CPU number
  *
@@ -855,7 +902,7 @@ unsigned int cpufreq_quick_get(unsigned int cpu)
 EXPORT_SYMBOL(cpufreq_quick_get);
 
 
-/** 
+/**
  * cpufreq_get - get the current CPU frequency (in kHz)
  * @cpu: CPU number
  *
@@ -1072,7 +1119,7 @@ static struct sysdev_driver cpufreq_sysdev_driver = {
  *	@nb: notifier function to register
  *      @list: CPUFREQ_TRANSITION_NOTIFIER or CPUFREQ_POLICY_NOTIFIER
  *
- *	Add a driver to one of two lists: either a list of drivers that 
+ *	Add a driver to one of two lists: either a list of drivers that
  *      are notified about clock rate changes (once before and once after
  *      the transition), or a list of drivers that are notified about
  *      changes in cpufreq policy.
@@ -1225,7 +1272,7 @@ int cpufreq_register_governor(struct cpufreq_governor *governor)
 		return -EINVAL;
 
 	mutex_lock(&cpufreq_governor_mutex);
-	
+
 	list_for_each_entry(t, &cpufreq_governor_list, governor_list) {
 		if (!strnicmp(governor->name,t->name,CPUFREQ_NAME_LEN)) {
 			mutex_unlock(&cpufreq_governor_mutex);
@@ -1234,7 +1281,7 @@ int cpufreq_register_governor(struct cpufreq_governor *governor)
 	}
 	list_add(&governor->governor_list, &cpufreq_governor_list);
 
- 	mutex_unlock(&cpufreq_governor_mutex);
+	mutex_unlock(&cpufreq_governor_mutex);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(cpufreq_register_governor);
@@ -1497,9 +1544,9 @@ static struct notifier_block cpufreq_cpu_notifier =
  * @driver_data: A struct cpufreq_driver containing the values#
  * submitted by the CPU Frequency driver.
  *
- *   Registers a CPU Frequency driver to this core code. This code 
+ *   Registers a CPU Frequency driver to this core code. This code
  * returns zero on success, -EBUSY when another driver got here first
- * (and isn't unregistered in the meantime). 
+ * (and isn't unregistered in the meantime).
  *
  */
 int cpufreq_register_driver(struct cpufreq_driver *driver_data)
@@ -1560,7 +1607,7 @@ EXPORT_SYMBOL_GPL(cpufreq_register_driver);
 /**
  * cpufreq_unregister_driver - unregister the current CPUFreq driver
  *
- *    Unregister the current CPUFreq driver. Only call this if you have 
+ *    Unregister the current CPUFreq driver. Only call this if you have
  * the right to do so, i.e. if you have succeeded in initialising before!
  * Returns zero if successful, and -EINVAL if the cpufreq_driver is
  * currently not initialised.

drivers/cpufreq/cpufreq_ondemand.c

@@ -38,17 +38,17 @@
 #define MIN_FREQUENCY_UP_THRESHOLD		(11)
 #define MAX_FREQUENCY_UP_THRESHOLD		(100)
 
-/* 
- * The polling frequency of this governor depends on the capability of 
+/*
+ * The polling frequency of this governor depends on the capability of
  * the processor. Default polling frequency is 1000 times the transition
- * latency of the processor. The governor will work on any processor with 
- * transition latency <= 10mS, using appropriate sampling 
+ * latency of the processor. The governor will work on any processor with
+ * transition latency <= 10mS, using appropriate sampling
  * rate.
  * For CPUs with transition latency > 10mS (mostly drivers with CPUFREQ_ETERNAL)
  * this governor will not work.
  * All times here are in uS.
  */
-static unsigned int 				def_sampling_rate;
+static unsigned int def_sampling_rate;
 #define MIN_SAMPLING_RATE_RATIO			(2)
 /* for correct statistics, we need at least 10 ticks between each measure */
 #define MIN_STAT_SAMPLING_RATE			(MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10))
@@ -62,28 +62,28 @@ static unsigned int 				def_sampling_rate;
 static void do_dbs_timer(void *data);
 
 struct cpu_dbs_info_s {
-	struct cpufreq_policy 	*cur_policy;
-	unsigned int 		prev_cpu_idle_up;
-	unsigned int 		prev_cpu_idle_down;
-	unsigned int 		enable;
+	struct cpufreq_policy *cur_policy;
+	unsigned int prev_cpu_idle_up;
+	unsigned int prev_cpu_idle_down;
+	unsigned int enable;
 };
 static DEFINE_PER_CPU(struct cpu_dbs_info_s, cpu_dbs_info);
 
 static unsigned int dbs_enable;	/* number of CPUs using this policy */
 
-static DEFINE_MUTEX 	(dbs_mutex);
+static DEFINE_MUTEX (dbs_mutex);
 static DECLARE_WORK	(dbs_work, do_dbs_timer, NULL);
 
 struct dbs_tuners {
-	unsigned int 		sampling_rate;
-	unsigned int		sampling_down_factor;
-	unsigned int		up_threshold;
-	unsigned int		ignore_nice;
+	unsigned int sampling_rate;
+	unsigned int sampling_down_factor;
+	unsigned int up_threshold;
+	unsigned int ignore_nice;
 };
 
 static struct dbs_tuners dbs_tuners_ins = {
-	.up_threshold 		= DEF_FREQUENCY_UP_THRESHOLD,
-	.sampling_down_factor 	= DEF_SAMPLING_DOWN_FACTOR,
+	.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
+	.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
 };
 
 static inline unsigned int get_cpu_idle_time(unsigned int cpu)
@@ -106,8 +106,8 @@ static ssize_t show_sampling_rate_min(struct cpufreq_policy *policy, char *buf)
 	return sprintf (buf, "%u\n", MIN_SAMPLING_RATE);
 }
 
-#define define_one_ro(_name) 					\
-static struct freq_attr _name =  				\
+#define define_one_ro(_name)		\
+static struct freq_attr _name =		\
 __ATTR(_name, 0444, show_##_name, NULL)
 
 define_one_ro(sampling_rate_max);
@@ -125,7 +125,7 @@ show_one(sampling_down_factor, sampling_down_factor);
 show_one(up_threshold, up_threshold);
 show_one(ignore_nice_load, ignore_nice);
 
-static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused, 
+static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused,
 		const char *buf, size_t count)
 {
 	unsigned int input;
@@ -144,7 +144,7 @@ static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused,
 	return count;
 }
 
-static ssize_t store_sampling_rate(struct cpufreq_policy *unused, 
+static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
 		const char *buf, size_t count)
 {
 	unsigned int input;
@@ -163,7 +163,7 @@ static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
 	return count;
 }
 
-static ssize_t store_up_threshold(struct cpufreq_policy *unused, 
+static ssize_t store_up_threshold(struct cpufreq_policy *unused,
 		const char *buf, size_t count)
 {
 	unsigned int input;
@@ -171,7 +171,7 @@ static ssize_t store_up_threshold(struct cpufreq_policy *unused,
 	ret = sscanf (buf, "%u", &input);
 
 	mutex_lock(&dbs_mutex);
-	if (ret != 1 || input > MAX_FREQUENCY_UP_THRESHOLD || 
+	if (ret != 1 || input > MAX_FREQUENCY_UP_THRESHOLD ||
 			input < MIN_FREQUENCY_UP_THRESHOLD) {
 		mutex_unlock(&dbs_mutex);
 		return -EINVAL;
@@ -190,14 +190,14 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy,
 	int ret;
 
 	unsigned int j;
-	
+
 	ret = sscanf (buf, "%u", &input);
 	if ( ret != 1 )
 		return -EINVAL;
 
 	if ( input > 1 )
 		input = 1;
-	
+
 	mutex_lock(&dbs_mutex);
 	if ( input == dbs_tuners_ins.ignore_nice ) { /* nothing to do */
 		mutex_unlock(&dbs_mutex);
@@ -259,16 +259,16 @@ static void dbs_check_cpu(int cpu)
 		return;
 
 	policy = this_dbs_info->cur_policy;
-	/* 
+	/*
 	 * Every sampling_rate, we check, if current idle time is less
 	 * than 20% (default), then we try to increase frequency
 	 * Every sampling_rate*sampling_down_factor, we look for a the lowest
 	 * frequency which can sustain the load while keeping idle time over
 	 * 30%. If such a frequency exist, we try to decrease to this frequency.
 	 *
-	 * Any frequency increase takes it to the maximum frequency. 
-	 * Frequency reduction happens at minimum steps of 
-	 * 5% (default) of current frequency 
+	 * Any frequency increase takes it to the maximum frequency.
+	 * Frequency reduction happens at minimum steps of
+	 * 5% (default) of current frequency
 	 */
 
 	/* Check for frequency increase */
@@ -298,14 +298,14 @@ static void dbs_check_cpu(int cpu)
 			struct cpu_dbs_info_s *j_dbs_info;
 
 			j_dbs_info = &per_cpu(cpu_dbs_info, j);
-			j_dbs_info->prev_cpu_idle_down = 
+			j_dbs_info->prev_cpu_idle_down =
 					j_dbs_info->prev_cpu_idle_up;
 		}
 		/* if we are already at full speed then break out early */
 		if (policy->cur == policy->max)
 			return;
-		
-		__cpufreq_driver_target(policy, policy->max, 
+
+		__cpufreq_driver_target(policy, policy->max,
 			CPUFREQ_RELATION_H);
 		return;
 	}
@@ -347,7 +347,7 @@ static void dbs_check_cpu(int cpu)
 	 * policy. To be safe, we focus 10 points under the threshold.
 	 */
 	freq_next = ((total_ticks - idle_ticks) * 100) / total_ticks;
-	freq_next = (freq_next * policy->cur) / 
+	freq_next = (freq_next * policy->cur) /
 			(dbs_tuners_ins.up_threshold - 10);
 
 	if (freq_next <= ((policy->cur * 95) / 100))
@@ -355,15 +355,15 @@ static void dbs_check_cpu(int cpu)
 }
 
 static void do_dbs_timer(void *data)
-{ 
+{
 	int i;
 	mutex_lock(&dbs_mutex);
 	for_each_online_cpu(i)
 		dbs_check_cpu(i);
-	schedule_delayed_work(&dbs_work, 
+	schedule_delayed_work(&dbs_work,
 			usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
 	mutex_unlock(&dbs_mutex);
-} 
+}
 
 static inline void dbs_timer_init(void)
 {
@@ -390,7 +390,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 
 	switch (event) {
 	case CPUFREQ_GOV_START:
-		if ((!cpu_online(cpu)) || 
+		if ((!cpu_online(cpu)) ||
 		    (!policy->cur))
 			return -EINVAL;
 
@@ -399,13 +399,13 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 			return -EINVAL;
 		if (this_dbs_info->enable) /* Already enabled */
 			break;
-		 
+
 		mutex_lock(&dbs_mutex);
 		for_each_cpu_mask(j, policy->cpus) {
 			struct cpu_dbs_info_s *j_dbs_info;
 			j_dbs_info = &per_cpu(cpu_dbs_info, j);
 			j_dbs_info->cur_policy = policy;
-		
+
 			j_dbs_info->prev_cpu_idle_up = get_cpu_idle_time(j);
 			j_dbs_info->prev_cpu_idle_down
 				= j_dbs_info->prev_cpu_idle_up;
@@ -435,7 +435,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 
 			dbs_timer_init();
 		}
-		
+
 		mutex_unlock(&dbs_mutex);
 		break;
 
@@ -448,9 +448,9 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 		 * Stop the timerschedule work, when this governor
 		 * is used for first time
 		 */
-		if (dbs_enable == 0) 
+		if (dbs_enable == 0)
 			dbs_timer_exit();
-		
+
 		mutex_unlock(&dbs_mutex);
 
 		break;
@@ -460,11 +460,11 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 		if (policy->max < this_dbs_info->cur_policy->cur)
 			__cpufreq_driver_target(
 					this_dbs_info->cur_policy,
-				       	policy->max, CPUFREQ_RELATION_H);
+					policy->max, CPUFREQ_RELATION_H);
 		else if (policy->min > this_dbs_info->cur_policy->cur)
 			__cpufreq_driver_target(
 					this_dbs_info->cur_policy,
-				       	policy->min, CPUFREQ_RELATION_L);
+					policy->min, CPUFREQ_RELATION_L);
 		mutex_unlock(&dbs_mutex);
 		break;
 	}

drivers/cpufreq/cpufreq_performance.c

@@ -32,7 +32,7 @@ static int cpufreq_governor_performance(struct cpufreq_policy *policy,
 	}
 	return 0;
 }
-                                                            
+
 struct cpufreq_governor cpufreq_gov_performance = {
 	.name		= "performance",
 	.governor	= cpufreq_governor_performance,

drivers/cpufreq/cpufreq_powersave.c

@@ -31,7 +31,7 @@ static int cpufreq_governor_powersave(struct cpufreq_policy *policy,
 	}
 	return 0;
 }
-                                                            
+
 static struct cpufreq_governor cpufreq_gov_powersave = {
 	.name		= "powersave",
 	.governor	= cpufreq_governor_powersave,

drivers/cpufreq/cpufreq_stats.c

@@ -2,7 +2,7 @@
  *  drivers/cpufreq/cpufreq_stats.c
  *
  *  Copyright (C) 2003-2004 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>.
- *  	      (C) 2004 Zou Nan hai <nanhai.zou@intel.com>.
+ *	      (C) 2004 Zou Nan hai <nanhai.zou@intel.com>.
  *
  * 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
@@ -90,7 +90,7 @@ show_time_in_state(struct cpufreq_policy *policy, char *buf)
 		return 0;
 	cpufreq_stats_update(stat->cpu);
 	for (i = 0; i < stat->state_num; i++) {
-		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i], 
+		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i],
 			(unsigned long long)cputime64_to_clock_t(stat->time_in_state[i]));
 	}
 	return len;
@@ -171,7 +171,7 @@ cpufreq_stats_free_table (unsigned int cpu)
 {
 	struct cpufreq_stats *stat = cpufreq_stats_table[cpu];
 	struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
-	if (policy && policy->cpu == cpu)	
+	if (policy && policy->cpu == cpu)
 		sysfs_remove_group(&policy->kobj, &stats_attr_group);
 	if (stat) {
 		kfree(stat->time_in_state);
@@ -303,7 +303,7 @@ cpufreq_stat_notifier_trans (struct notifier_block *nb, unsigned long val,
 	return 0;
 }
 
-static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
+static int cpufreq_stat_cpu_callback(struct notifier_block *nfb,
 					unsigned long action, void *hcpu)
 {
 	unsigned int cpu = (unsigned long)hcpu;

drivers/cpufreq/cpufreq_userspace.c

@@ -41,7 +41,7 @@ static DEFINE_MUTEX	(userspace_mutex);
 #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "userspace", msg)
 
 /* keep track of frequency transitions */
-static int 
+static int
 userspace_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
                        void *data)
 {
@@ -58,7 +58,7 @@ static struct notifier_block userspace_cpufreq_notifier_block = {
 };
 
 
-/** 
+/**
  * cpufreq_set - set the CPU frequency
  * @freq: target frequency in kHz
  * @cpu: CPU for which the frequency is to be set
@@ -103,8 +103,8 @@ static ssize_t show_speed (struct cpufreq_policy *policy, char *buf)
 	return sprintf (buf, "%u\n", cpu_cur_freq[policy->cpu]);
 }
 
-static ssize_t 
-store_speed (struct cpufreq_policy *policy, const char *buf, size_t count) 
+static ssize_t
+store_speed (struct cpufreq_policy *policy, const char *buf, size_t count)
 {
 	unsigned int freq = 0;
 	unsigned int ret;
@@ -118,7 +118,7 @@ store_speed (struct cpufreq_policy *policy, const char *buf, size_t count)
 	return count;
 }
 
-static struct freq_attr freq_attr_scaling_setspeed = 
+static struct freq_attr freq_attr_scaling_setspeed =
 {
 	.attr = { .name = "scaling_setspeed", .mode = 0644, .owner = THIS_MODULE },
 	.show = show_speed,
@@ -135,7 +135,7 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy,
 			return -EINVAL;
 		BUG_ON(!policy->cur);
 		mutex_lock(&userspace_mutex);
-		cpu_is_managed[cpu] = 1;		
+		cpu_is_managed[cpu] = 1;
 		cpu_min_freq[cpu] = policy->min;
 		cpu_max_freq[cpu] = policy->max;
 		cpu_cur_freq[cpu] = policy->cur;

drivers/cpufreq/freq_table.c

@@ -59,9 +59,8 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
 	if (!cpu_online(policy->cpu))
 		return -EINVAL;
 
-	cpufreq_verify_within_limits(policy, 
-				     policy->cpuinfo.min_freq, 
-				     policy->cpuinfo.max_freq);
+	cpufreq_verify_within_limits(policy,
+				     policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
 
 	for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
 		unsigned int freq = table[i].frequency;
@@ -76,9 +75,8 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
 	if (!count)
 		policy->max = next_larger;
 
-	cpufreq_verify_within_limits(policy, 
-				     policy->cpuinfo.min_freq, 
-				     policy->cpuinfo.max_freq);
+	cpufreq_verify_within_limits(policy,
+				     policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
 
 	dprintk("verification lead to (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu);
 
@@ -199,7 +197,7 @@ EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs);
  * if you use these, you must assure that the frequency table is valid
  * all the time between get_attr and put_attr!
  */
-void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table, 
+void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table,
 				      unsigned int cpu)
 {
 	dprintk("setting show_table for cpu %u to %p\n", cpu, table);