[CPUFREQ] powernow-k8: ignore double lo freq table entries

Ignore two identical low freq entries in the ACPI tables for the powernow-k8
driver.
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>
 

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

@@ -733,10 +733,22 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
 			continue;
 		}
 
-		/* verify only 1 entry from the lo frequency table */
-		if ((fid < HI_FID_TABLE_BOTTOM) && (cntlofreq++)) {
-			printk(KERN_ERR PFX "Too many lo freq table entries\n");
-			goto err_out_mem;
+ 		if (fid < HI_FID_TABLE_BOTTOM) {
+ 			if (cntlofreq) {
+ 				/* 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");
+ 					goto err_out_mem;
+ 				}
+				
+ 				dprintk(KERN_INFO PFX "double low frequency table entry, ignoring it.\n");
+ 				powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID;
+ 				continue;
+ 			} else
+ 				cntlofreq = i;
 		}
 
 		if (powernow_table[i].frequency != (data->acpi_data.states[i].core_frequency * 1000)) {