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Commit c0939e46 authored by Borislav Petkov's avatar Borislav Petkov Committed by Rafael J. Wysocki
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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
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+14 −11
Original line number Diff line number Diff line
@@ -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);
		num_online_nodes(), boot_cpu_data.x86_model_id, supported_cpus);

	return rv;
	return ret;
}

/* driver entry point for term */