[CPUFREQ] Don't bother checking if we need workarounds if we don't support powernow.

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

@@ -98,11 +98,6 @@ static int check_powernow(void)
 		return 0;
 	}
 
-	if ((c->x86_model == 6) && (c->x86_mask == 0)) {
-		printk (KERN_INFO PFX "K7 660[A0] core detected, enabling errata workarounds\n");
-		have_a0 = 1;
-	}
-
 	/* Get maximum capabilities */
 	maxei = cpuid_eax (0x80000000);
 	if (maxei < 0x80000007) {	/* Any powernow info ? */
@@ -112,6 +107,11 @@ static int check_powernow(void)
 		return 0;
 	}
 
+	if ((c->x86_model == 6) && (c->x86_mask == 0)) {
+		printk (KERN_INFO PFX "K7 660[A0] core detected, enabling errata workarounds\n");
+		have_a0 = 1;
+	}
+
 	cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
 	printk (KERN_INFO PFX "PowerNOW! Technology present. Can scale: ");