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authorZhao Yakui <yakui.zhao@intel.com>2007-11-15 17:05:46 +0800
committerLen Brown <len.brown@intel.com>2007-11-16 21:45:39 -0500
commit0ac3c571315a53c14d2733564f14ebdb911fe903 (patch)
tree4c33b0f9935d0f50de10674abba54b4361cd52ee /drivers/acpi
parent9bcb27217344c2c1389db3983a436e19484c2f50 (diff)
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ACPI: Get throttling info from BIOS only after evaluating _PDC
Previously _PDC was evaluated later, and thus we'd not get the chance to tell the BIOS that we can suport FixedHW registers (MSRs) and the BIOS would always ask us to use System I/O access for throttling. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Li Shaohua <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_core.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 235a51e..e93318b 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -612,12 +612,6 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)
request_region(pr->throttling.address, 6, "ACPI CPU throttle");
}
-#ifdef CONFIG_CPU_FREQ
- acpi_processor_ppc_has_changed(pr);
-#endif
- acpi_processor_get_throttling_info(pr);
- acpi_processor_get_limit_info(pr);
-
return 0;
}
@@ -665,6 +659,12 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
acpi_processor_set_pdc(pr);
+#ifdef CONFIG_CPU_FREQ
+ acpi_processor_ppc_has_changed(pr);
+#endif
+ acpi_processor_get_throttling_info(pr);
+ acpi_processor_get_limit_info(pr);
+
acpi_processor_power_init(pr, device);