Commit c0939e46 authored by Borislav Petkov's avatar Borislav Petkov Committed by Rafael J. Wysocki

powernow-k8: Cleanup init function

Make it hotplug-safe and cleanup formatting.
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 4827ea6e
......@@ -1271,7 +1271,7 @@ static void __request_acpi_cpufreq(void)
static int __cpuinit powernowk8_init(void)
{
unsigned int i, supported_cpus = 0;
int rv;
int ret;
if (static_cpu_has(X86_FEATURE_HW_PSTATE)) {
__request_acpi_cpufreq();
......@@ -1281,24 +1281,27 @@ static int __cpuinit powernowk8_init(void)
if (!x86_match_cpu(powernow_k8_ids))
return -ENODEV;
get_online_cpus();
for_each_online_cpu(i) {
int rc;
smp_call_function_single(i, check_supported_cpu, &rc, 1);
if (rc == 0)
smp_call_function_single(i, check_supported_cpu, &ret, 1);
if (!ret)
supported_cpus++;
}
if (supported_cpus != num_online_cpus())
if (supported_cpus != num_online_cpus()) {
put_online_cpus();
return -ENODEV;
}
put_online_cpus();
rv = cpufreq_register_driver(&cpufreq_amd64_driver);
ret = cpufreq_register_driver(&cpufreq_amd64_driver);
if (ret)
return ret;
if (!rv)
pr_info(PFX "Found %d %s (%d cpu cores) (" VERSION ")\n",
num_online_nodes(), boot_cpu_data.x86_model_id,
supported_cpus);
pr_info(PFX "Found %d %s (%d cpu cores) (" VERSION ")\n",
num_online_nodes(), boot_cpu_data.x86_model_id, supported_cpus);
return rv;
return ret;
}
/* driver entry point for term */
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment