Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / cpufreq / acpi-cpufreq.c

diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 7b0d49d..937bc28 100644 (file)
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -734,7 +734,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 
 #ifdef CONFIG_SMP
        dmi_check_system(sw_any_bug_dmi_table);
-       if (bios_with_sw_any_bug && cpumask_weight(policy->cpus) == 1) {
+       if (bios_with_sw_any_bug && !policy_is_shared(policy)) {
                policy->shared_type = CPUFREQ_SHARED_TYPE_ALL;
                cpumask_copy(policy->cpus, cpu_core_mask(cpu));
        }
@@ -762,6 +762,12 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 
        switch (perf->control_register.space_id) {
        case ACPI_ADR_SPACE_SYSTEM_IO:
+               if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
+                   boot_cpu_data.x86 == 0xf) {
+                       pr_debug("AMD K8 systems must use native drivers.\n");
+                       result = -ENODEV;
+                       goto err_unreg;
+               }
                pr_debug("SYSTEM IO addr space\n");
                data->cpu_feature = SYSTEM_IO_CAPABLE;
                break;