3 files changed, 35 insertions, 27 deletions

diff --git a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
index 04a405345203..2b62dee35c6c 100644
--- a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
+++ b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c
@@ -177,9 +177,10 @@ static unsigned int nforce2_fsb_read(int bootfsb)
  */
 static int nforce2_set_fsb(unsigned int fsb)
 {
-        u32 pll, temp = 0;
+        u32 temp = 0;
         unsigned int tfsb;
         int diff;
+        int pll = 0;
 
         if ((fsb > max_fsb) || (fsb < NFORCE2_MIN_FSB)) {
                 printk(KERN_ERR "cpufreq: FSB %d is out of range!\n", fsb);
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 68a1fc87f4ca..0fbbd4c1072e 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -45,7 +45,7 @@
 
 #define PFX "powernow-k8: "
 #define BFX PFX "BIOS error: "
-#define VERSION "version 1.50.4"
+#define VERSION "version 1.60.0"
 #include "powernow-k8.h"
 
 /* serialize freq changes  */
@@ -216,10 +216,10 @@ static int write_new_vid(struct powernow_k8_data *data, u32 vid)
 
         do {
                 wrmsr(MSR_FIDVID_CTL, lo, STOP_GRANT_5NS);
-                if (i++ > 100) {
-                        printk(KERN_ERR PFX "internal error - pending bit very stuck - no further pstate changes possible\n");
-                        return 1;
-                }
+                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));
 
         if (savefid != data->currfid) {
@@ -336,7 +336,7 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid
 /* Phase 2 - core frequency transition */
 static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid)
 {
-        u32 vcoreqfid, vcocurrfid, vcofiddiff, savevid = data->currvid;
+        u32 vcoreqfid, vcocurrfid, vcofiddiff, fid_interval, savevid = data->currvid;
 
         if ((reqfid < HI_FID_TABLE_BOTTOM) && (data->currfid < HI_FID_TABLE_BOTTOM)) {
                 printk(KERN_ERR PFX "ph2: illegal lo-lo transition 0x%x 0x%x\n",
@@ -359,9 +359,11 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid)
             : vcoreqfid - vcocurrfid;
 
         while (vcofiddiff > 2) {
+                (data->currfid & 1) ? (fid_interval = 1) : (fid_interval = 2);
+
                 if (reqfid > data->currfid) {
                         if (data->currfid > LO_FID_TABLE_TOP) {
-                                if (write_new_fid(data, data->currfid + 2)) {
+                                if (write_new_fid(data, data->currfid + fid_interval)) {
                                         return 1;
                                 }
                         } else {
@@ -371,7 +373,7 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid)
                                 }
                         }
                 } else {
-                        if (write_new_fid(data, data->currfid - 2))
+                        if (write_new_fid(data, data->currfid - fid_interval))
                                 return 1;
                 }
 
@@ -464,7 +466,7 @@ static int check_supported_cpu(unsigned int cpu)
         set_cpus_allowed(current, cpumask_of_cpu(cpu));
 
         if (smp_processor_id() != cpu) {
-                printk(KERN_ERR "limiting to cpu %u failed\n", cpu);
+                printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu);
                 goto out;
         }
 
@@ -474,7 +476,7 @@ static int check_supported_cpu(unsigned int cpu)
         eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE);
         if (((eax & CPUID_USE_XFAM_XMOD) != CPUID_USE_XFAM_XMOD) ||
             ((eax & CPUID_XFAM) != CPUID_XFAM_K8) ||
-            ((eax & CPUID_XMOD) > CPUID_XMOD_REV_F)) {
+            ((eax & CPUID_XMOD) > CPUID_XMOD_REV_G)) {
                 printk(KERN_INFO PFX "Processor cpuid %x not supported\n", eax);
                 goto out;
         }
@@ -517,22 +519,24 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, u8
                         printk(KERN_ERR BFX "maxvid exceeded with pstate %d\n", j);
                         return -ENODEV;
                 }
-                if ((pst[j].fid > MAX_FID)
-                    || (pst[j].fid & 1)
-                    || (j && (pst[j].fid < HI_FID_TABLE_BOTTOM))) {
+                if (pst[j].fid > MAX_FID) {
+                        printk(KERN_ERR BFX "maxfid exceeded with pstate %d\n", j);
+                        return -ENODEV;
+                }
+                if (j && (pst[j].fid < HI_FID_TABLE_BOTTOM)) {
                         /* Only first fid is allowed to be in "low" range */
-                        printk(KERN_ERR PFX "two low fids - %d : 0x%x\n", j, pst[j].fid);
+                        printk(KERN_ERR BFX "two low fids - %d : 0x%x\n", j, pst[j].fid);
                         return -EINVAL;
                 }
                 if (pst[j].fid < lastfid)
                         lastfid = pst[j].fid;
         }
         if (lastfid & 1) {
-                printk(KERN_ERR PFX "lastfid invalid\n");
+                printk(KERN_ERR BFX "lastfid invalid\n");
                 return -EINVAL;
         }
         if (lastfid > LO_FID_TABLE_TOP)
-                printk(KERN_INFO PFX  "first fid not from lo freq table\n");
+                printk(KERN_INFO BFX  "first fid not from lo freq table\n");
 
         return 0;
 }
@@ -631,7 +635,7 @@ static int find_psb_table(struct powernow_k8_data *data)
 
                 dprintk("table vers: 0x%x\n", psb->tableversion);
                 if (psb->tableversion != PSB_VERSION_1_4) {
-                        printk(KERN_INFO BFX "PSB table is not v1.4\n");
+                        printk(KERN_ERR BFX "PSB table is not v1.4\n");
                         return -ENODEV;
                 }
 
@@ -689,7 +693,7 @@ static int find_psb_table(struct powernow_k8_data *data)
          * BIOS and Kernel Developer's Guide, which is available on
          * www.amd.com
          */
-        printk(KERN_INFO PFX "BIOS error - no PSB or ACPI _PSS objects\n");
+        printk(KERN_ERR PFX "BIOS error - no PSB or ACPI _PSS objects\n");
         return -ENODEV;
 }
 
@@ -912,7 +916,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
         set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
 
         if (smp_processor_id() != pol->cpu) {
-                printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu);
+                printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
                 goto err_out;
         }
 
@@ -982,6 +986,9 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
         cpumask_t oldmask = CPU_MASK_ALL;
         int rc, i;
 
+        if (!cpu_online(pol->cpu))
+                return -ENODEV;
+
         if (!check_supported_cpu(pol->cpu))
                 return -ENODEV;
 
@@ -1021,7 +1028,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
         set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
 
         if (smp_processor_id() != pol->cpu) {
-                printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu);
+                printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
                 goto err_out;
         }
 
@@ -1162,10 +1169,9 @@ static void __exit powernowk8_exit(void)
         cpufreq_unregister_driver(&cpufreq_amd64_driver);
 }
 
-MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com.");
+MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com>");
 MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver.");
 MODULE_LICENSE("GPL");
 
 late_initcall(powernowk8_init);
 module_exit(powernowk8_exit);
-
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index b1e85bb36396..d0de37d58e9a 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -42,7 +42,7 @@ struct powernow_k8_data {
 #define CPUID_XFAM                      0x0ff00000      /* extended family */
 #define CPUID_XFAM_K8                   0
 #define CPUID_XMOD                      0x000f0000      /* extended model */
-#define CPUID_XMOD_REV_F                0x00040000
+#define CPUID_XMOD_REV_G                0x00060000
 #define CPUID_USE_XFAM_XMOD             0x00000f00
 #define CPUID_GET_MAX_CAPABILITIES      0x80000000
 #define CPUID_FREQ_VOLT_CAPABILITIES    0x80000007
@@ -86,13 +86,14 @@ struct powernow_k8_data {
  *   low fid table
  * - lowest entry in the high fid table must be a <= 200MHz + 2 * the entry
  *   in the low fid table
- * - the parts can only step at 200 MHz intervals, so 1.9 GHz is never valid
+ * - the parts can only step at <= 200 MHz intervals, odd fid values are
+ *   supported in revision G and later revisions.
  * - lowest frequency must be >= interprocessor hypertransport link speed
  *   (only applies to MP systems obviously)
  */
 
 /* fids (frequency identifiers) are arranged in 2 tables - lo and hi */
-#define LO_FID_TABLE_TOP     6  /* fid values marking the boundary    */
+#define LO_FID_TABLE_TOP     7  /* fid values marking the boundary    */
 #define HI_FID_TABLE_BOTTOM  8  /* between the low and high tables    */
 
 #define LO_VCOFREQ_TABLE_TOP    1400    /* corresponding vco frequency values */
@@ -106,7 +107,7 @@ struct powernow_k8_data {
 #define MIN_FREQ 800    /* Min and max freqs, per spec */
 #define MAX_FREQ 5000
 
-#define INVALID_FID_MASK 0xffffffc1  /* not a valid fid if these bits are set */
+#define INVALID_FID_MASK 0xffffffc0  /* not a valid fid if these bits are set */
 #define INVALID_VID_MASK 0xffffffc0  /* not a valid vid if these bits are set */
 
 #define VID_OFF 0x3f