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-rw-r--r--drivers/acpi/processor_throttling.c32
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index fa84e9744330..6f2c6d914cbc 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -710,20 +710,14 @@ static int acpi_processor_get_throttling_fadt(struct acpi_processor *pr)
710} 710}
711 711
712#ifdef CONFIG_X86 712#ifdef CONFIG_X86
713static int acpi_throttling_rdmsr(struct acpi_processor *pr, 713static int acpi_throttling_rdmsr(u64 *value)
714 u64 *value)
715{ 714{
716 struct cpuinfo_x86 *c;
717 u64 msr_high, msr_low; 715 u64 msr_high, msr_low;
718 unsigned int cpu;
719 u64 msr = 0; 716 u64 msr = 0;
720 int ret = -1; 717 int ret = -1;
721 718
722 cpu = pr->id; 719 if ((this_cpu_read(cpu_info.x86_vendor) != X86_VENDOR_INTEL) ||
723 c = &cpu_data(cpu); 720 !this_cpu_has(X86_FEATURE_ACPI)) {
724
725 if ((c->x86_vendor != X86_VENDOR_INTEL) ||
726 !cpu_has(c, X86_FEATURE_ACPI)) {
727 printk(KERN_ERR PREFIX 721 printk(KERN_ERR PREFIX
728 "HARDWARE addr space,NOT supported yet\n"); 722 "HARDWARE addr space,NOT supported yet\n");
729 } else { 723 } else {
@@ -738,18 +732,13 @@ static int acpi_throttling_rdmsr(struct acpi_processor *pr,
738 return ret; 732 return ret;
739} 733}
740 734
741static int acpi_throttling_wrmsr(struct acpi_processor *pr, u64 value) 735static int acpi_throttling_wrmsr(u64 value)
742{ 736{
743 struct cpuinfo_x86 *c;
744 unsigned int cpu;
745 int ret = -1; 737 int ret = -1;
746 u64 msr; 738 u64 msr;
747 739
748 cpu = pr->id; 740 if ((this_cpu_read(cpu_info.x86_vendor) != X86_VENDOR_INTEL) ||
749 c = &cpu_data(cpu); 741 !this_cpu_has(X86_FEATURE_ACPI)) {
750
751 if ((c->x86_vendor != X86_VENDOR_INTEL) ||
752 !cpu_has(c, X86_FEATURE_ACPI)) {
753 printk(KERN_ERR PREFIX 742 printk(KERN_ERR PREFIX
754 "HARDWARE addr space,NOT supported yet\n"); 743 "HARDWARE addr space,NOT supported yet\n");
755 } else { 744 } else {
@@ -761,15 +750,14 @@ static int acpi_throttling_wrmsr(struct acpi_processor *pr, u64 value)
761 return ret; 750 return ret;
762} 751}
763#else 752#else
764static int acpi_throttling_rdmsr(struct acpi_processor *pr, 753static int acpi_throttling_rdmsr(u64 *value)
765 u64 *value)
766{ 754{
767 printk(KERN_ERR PREFIX 755 printk(KERN_ERR PREFIX
768 "HARDWARE addr space,NOT supported yet\n"); 756 "HARDWARE addr space,NOT supported yet\n");
769 return -1; 757 return -1;
770} 758}
771 759
772static int acpi_throttling_wrmsr(struct acpi_processor *pr, u64 value) 760static int acpi_throttling_wrmsr(u64 value)
773{ 761{
774 printk(KERN_ERR PREFIX 762 printk(KERN_ERR PREFIX
775 "HARDWARE addr space,NOT supported yet\n"); 763 "HARDWARE addr space,NOT supported yet\n");
@@ -801,7 +789,7 @@ static int acpi_read_throttling_status(struct acpi_processor *pr,
801 ret = 0; 789 ret = 0;
802 break; 790 break;
803 case ACPI_ADR_SPACE_FIXED_HARDWARE: 791 case ACPI_ADR_SPACE_FIXED_HARDWARE:
804 ret = acpi_throttling_rdmsr(pr, value); 792 ret = acpi_throttling_rdmsr(value);
805 break; 793 break;
806 default: 794 default:
807 printk(KERN_ERR PREFIX "Unknown addr space %d\n", 795 printk(KERN_ERR PREFIX "Unknown addr space %d\n",
@@ -834,7 +822,7 @@ static int acpi_write_throttling_state(struct acpi_processor *pr,
834 ret = 0; 822 ret = 0;
835 break; 823 break;
836 case ACPI_ADR_SPACE_FIXED_HARDWARE: 824 case ACPI_ADR_SPACE_FIXED_HARDWARE:
837 ret = acpi_throttling_wrmsr(pr, value); 825 ret = acpi_throttling_wrmsr(value);
838 break; 826 break;
839 default: 827 default:
840 printk(KERN_ERR PREFIX "Unknown addr space %d\n", 828 printk(KERN_ERR PREFIX "Unknown addr space %d\n",