Commit 63add93e authored by Dave Jones's avatar Dave Jones

[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: default avatarDominik Brodowski <linux@brodo.de>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
 
parent 39657dde
......@@ -733,12 +733,24 @@ 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++)) {
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)) {
printk(KERN_INFO PFX "invalid freq entries %u kHz vs. %u kHz\n",
powernow_table[i].frequency,
......
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