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

* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] sets nforce2 minimum PLL divider to 2.
  [CPUFREQ] Make powernow-k7 work on SMP kernels.
  [CPUFREQ] cpufreq core {d,}printk adjustments
  [CPUFREQ] dprintk adjustments to cpufreq-speedstep-centrino
  [CPUFREQ] dprintk adjustments to cpufreq-nforce2
  [CPUFREQ] Prepare powernow-k8 for future CPUs.
  [CPUFREQ] Make acpi-cpufreq 'sticky'.
  [CPUFREQ] Remove strange No-op from longrun.c
  [CPUFREQ] Remove more freq_table reinitialisations.
  [CPUFREQ] Fix another redundant initialisation in freq_table
  [CPUFREQ] Remove duplicate assignment in freq_table
  [CPUFREQ] CodingStyle nits in cpufreq_stats.c
  [CPUFREQ] Remove duplicate assignment from cpufreq-nforce2
  [CPUFREQ] Remove pointless reinitialisations in acpi-cpufreq
  [CPUFREQ] Remove pointless reinitialisation from powernow-k8
  [CPUFREQ] Remove redundant initialisation from longhaul.
  [CPUFREQ] Clean up longhaul's speed pretty-printer
  [CPUFREQ] Disambiguate loop indexes in powernow-k7
  [CPUFREQ] Typo in powernow-k8

arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -104,7 +104,7 @@ acpi_processor_set_performance (
 {
 	u16			port = 0;
 	u8			bit_width = 0;
-	int			ret = 0;
+	int			ret;
 	u32			value = 0;
 	int			i = 0;
 	struct cpufreq_freqs    cpufreq_freqs;
@@ -195,7 +195,6 @@ acpi_processor_set_performance (
 			udelay(10);
 		}
 	} else {
-		i = 0;
 		value = (u32) data->acpi_data.states[state].status;
 	}
 
@@ -444,14 +443,15 @@ static struct freq_attr* acpi_cpufreq_attr[] = {
 };
 
 static struct cpufreq_driver acpi_cpufreq_driver = {
-	.verify 	= acpi_cpufreq_verify,
-	.target 	= acpi_cpufreq_target,
-	.init		= acpi_cpufreq_cpu_init,
-	.exit		= acpi_cpufreq_cpu_exit,
-	.resume		= acpi_cpufreq_resume,
-	.name		= "acpi-cpufreq",
-	.owner		= THIS_MODULE,
-	.attr           = acpi_cpufreq_attr,
+	.verify	= acpi_cpufreq_verify,
+	.target	= acpi_cpufreq_target,
+	.init	= acpi_cpufreq_cpu_init,
+	.exit	= acpi_cpufreq_cpu_exit,
+	.resume	= acpi_cpufreq_resume,
+	.name	= "acpi-cpufreq",
+	.owner	= THIS_MODULE,
+	.attr	= acpi_cpufreq_attr,
+	.flags	= CPUFREQ_STICKY,
 };
 
 

arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c

@@ -1,5 +1,5 @@
 /*
- * (C) 2004  Sebastian Witt <se.witt@gmx.net>
+ * (C) 2004-2006  Sebastian Witt <se.witt@gmx.net>
  *
  *  Licensed under the terms of the GNU GPL License version 2.
  *  Based upon reverse engineered information
@@ -90,7 +90,7 @@ static int nforce2_calc_pll(unsigned int fsb)
 
 	/* Try to calculate multiplier and divider up to 4 times */
 	while (((mul == 0) || (div == 0)) && (tried <= 3)) {
-		for (xdiv = 1; xdiv <= 0x80; xdiv++)
+		for (xdiv = 2; xdiv <= 0x80; xdiv++)
 			for (xmul = 1; xmul <= 0xfe; xmul++)
 				if (nforce2_calc_fsb(NFORCE2_PLL(xmul, xdiv)) ==
 				    fsb + tried) {
@@ -117,8 +117,7 @@ static void nforce2_write_pll(int pll)
 	int temp;
 
 	/* Set the pll addr. to 0x00 */
-	temp = 0x00;
-	pci_write_config_dword(nforce2_chipset_dev, NFORCE2_PLLADR, temp);
+	pci_write_config_dword(nforce2_chipset_dev, NFORCE2_PLLADR, 0);
 
 	/* Now write the value in all 64 registers */
 	for (temp = 0; temp <= 0x3f; temp++)
@@ -266,7 +265,7 @@ static int nforce2_target(struct cpufreq_policy *policy,
 	if (freqs.old == freqs.new)
 		return 0;
 
-	dprintk(KERN_INFO "cpufreq: Old CPU frequency %d kHz, new %d kHz\n",
+	dprintk("Old CPU frequency %d kHz, new %d kHz\n",
 	       freqs.old, freqs.new);
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
@@ -278,7 +277,7 @@ static int nforce2_target(struct cpufreq_policy *policy,
 		printk(KERN_ERR "cpufreq: Changing FSB to %d failed\n",
                        target_fsb);
 	else
-		dprintk(KERN_INFO "cpufreq: Changed FSB successfully to %d\n",
+		dprintk("Changed FSB successfully to %d\n",
                        target_fsb);
 
 	/* Enable IRQs */

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

@@ -77,13 +77,17 @@ static char speedbuffer[8];
 
 static char *print_speed(int speed)
 {
-	if (speed > 1000) {
-		if (speed%1000 == 0)
-			sprintf (speedbuffer, "%dGHz", speed/1000);
-		else
-			sprintf (speedbuffer, "%d.%dGHz", speed/1000, (speed%1000)/100);
-	} else
-		sprintf (speedbuffer, "%dMHz", speed);
+	if (speed < 1000) {
+		snprintf(speedbuffer, sizeof(speedbuffer),"%dMHz", speed);
+		return speedbuffer;
+	}
+
+	if (speed%1000 == 0)
+		snprintf(speedbuffer, sizeof(speedbuffer),
+			"%dGHz", speed/1000);
+	else
+		snprintf(speedbuffer, sizeof(speedbuffer),
+			"%d.%dGHz", speed/1000, (speed%1000)/100);
 
 	return speedbuffer;
 }
@@ -675,7 +679,7 @@ static int __init longhaul_init(void)
 
 static void __exit longhaul_exit(void)
 {
-	int i=0;
+	int i;
 
 	for (i=0; i < numscales; i++) {
 		if (clock_ratio[i] == maxmult) {

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

@@ -223,7 +223,6 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq,
 		/* set to 0 to try_hi perf_pctg */
 		msr_lo &= 0xFFFFFF80;
 		msr_hi &= 0xFFFFFF80;
-		msr_lo |= 0;
 		msr_hi |= try_hi;
 		wrmsr(MSR_TMTA_LONGRUN_CTRL, msr_lo, msr_hi);
 

arch/i386/kernel/cpu/cpufreq/powernow-k7.c

@@ -452,23 +452,23 @@ static int powernow_decode_bios (int maxfid, int startvid)
 
 			pst = (struct pst_s *) p;
 
-			for (i = 0 ; i <psb->numpst; i++) {
+			for (j=0; j<psb->numpst; j++) {
 				pst = (struct pst_s *) p;
 				number_scales = pst->numpstates;
 
 				if ((etuple == pst->cpuid) && check_fsb(pst->fsbspeed) &&
 				    (maxfid==pst->maxfid) && (startvid==pst->startvid))
 				{
-					dprintk ("PST:%d (@%p)\n", i, pst);
+					dprintk ("PST:%d (@%p)\n", j, pst);
 					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));
 					return ret;
-
 				} else {
+					unsigned int k;
 					p = (char *) pst + sizeof (struct pst_s);
-					for (j=0 ; j < number_scales; j++)
+					for (k=0; k<number_scales; k++)
 						p+=2;
 				}
 			}
@@ -581,10 +581,7 @@ static int __init powernow_cpu_init (struct cpufreq_policy *policy)
 
 	rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val);
 
-	/* recalibrate cpu_khz */
-	result = recalibrate_cpu_khz();
-	if (result)
-		return result;
+	recalibrate_cpu_khz();
 
 	fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.CFID];
 	if (!fsb) {