1 files changed, 14 insertions, 30 deletions

diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index fd70c77acc1c..f152c291e7c8 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -318,12 +318,12 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
 
 #define ROUNDING        0xf
 
-static int _guess(int guess)
+static int _guess(int guess, int mult)
 {
         int target;
 
-        target = ((maxmult/10)*guess);
-        if (maxmult%10 != 0)
+        target = ((mult/10)*guess);
+        if (mult%10 != 0)
                 target += (guess/2);
         target += ROUNDING/2;
         target &= ~ROUNDING;
@@ -331,17 +331,17 @@ static int _guess(int guess)
 }
 
 
-static int guess_fsb(void)
+static int guess_fsb(int mult)
 {
         int speed = (cpu_khz/1000);
         int i;
-        int speeds[3] = { 66, 100, 133 };
+        int speeds[] = { 66, 100, 133, 200 };
 
         speed += ROUNDING/2;
         speed &= ~ROUNDING;
 
-        for (i=0; i<3; i++) {
-                if (_guess(speeds[i]) == speed)
+        for (i=0; i<4; i++) {
+                if (_guess(speeds[i], mult) == speed)
                         return speeds[i];
         }
         return 0;
@@ -361,6 +361,7 @@ static int __init longhaul_get_ranges(void)
         unsigned long lo, hi;
         unsigned int eblcr_fsb_table_v1[] = { 66, 133, 100, -1 };
         unsigned int eblcr_fsb_table_v2[] = { 133, 100, -1, 66 };
+        int mult;
 
         switch (longhaul_version) {
         case TYPE_LONGHAUL_V1:
@@ -368,30 +369,18 @@ static int __init longhaul_get_ranges(void)
                 /* Ugh, Longhaul v1 didn't have the min/max MSRs.
                    Assume min=3.0x & max = whatever we booted at. */
                 minmult = 30;
-                maxmult = longhaul_get_cpu_mult();
-                rdmsr (MSR_IA32_EBL_CR_POWERON, lo, hi);
-                invalue = (lo & (1<<18|1<<19)) >>18;
-                if (cpu_model==CPU_SAMUEL || cpu_model==CPU_SAMUEL2)
-                        fsb = eblcr_fsb_table_v1[invalue];
-                else
-                        fsb = guess_fsb();
+                maxmult = mult = longhaul_get_cpu_mult();
                 break;
 
         case TYPE_POWERSAVER:
                 /* Ezra-T */
                 if (cpu_model==CPU_EZRA_T) {
+                        minmult = 30;
                         rdmsrl (MSR_VIA_LONGHAUL, longhaul.val);
                         invalue = longhaul.bits.MaxMHzBR;
                         if (longhaul.bits.MaxMHzBR4)
                                 invalue += 16;
-                        maxmult=ezra_t_multipliers[invalue];
-
-                        invalue = longhaul.bits.MinMHzBR;
-                        if (longhaul.bits.MinMHzBR4 == 1)
-                                minmult = 30;
-                        else
-                                minmult = ezra_t_multipliers[invalue];
-                        fsb = eblcr_fsb_table_v2[longhaul.bits.MaxMHzFSB];
+                        maxmult = mult = ezra_t_multipliers[invalue];
                         break;
                 }
 
@@ -411,21 +400,16 @@ static int __init longhaul_get_ranges(void)
                          *   But it works, so we don't grumble.
                          */
                         minmult=40;
-                        maxmult=longhaul_get_cpu_mult();
-
-                        /* Starting with the 1.2GHz parts, theres a 200MHz bus. */
-                        if ((cpu_khz/maxmult) > 13400)
-                                fsb = 200;
-                        else
-                                fsb = eblcr_fsb_table_v2[longhaul.bits.MaxMHzFSB];
+                        maxmult = mult = longhaul_get_cpu_mult();
                         break;
                 }
         }
+        fsb = guess_fsb(mult);
 
         dprintk ("MinMult:%d.%dx MaxMult:%d.%dx\n",
                  minmult/10, minmult%10, maxmult/10, maxmult%10);
 
-        if (fsb == -1) {
+        if (fsb == 0) {
                 printk (KERN_INFO PFX "Invalid (reserved) FSB!\n");
                 return -EINVAL;
         }