intel_pstate: skip this driver if Sun server has _PPC method
authorethan zhao <ethan.zhao@oracle.com>
Mon, 1 Dec 2014 02:32:08 +0000 (11:32 +0900)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 3 Dec 2014 01:56:04 +0000 (02:56 +0100)
commit966916eabfb1726fec7ea7b69f0c7f5ce366e943
treeb2628aa8e3637991059437d7412a340c6edc0ad3
parent493b4cd285e68d8d8d5853a2536ea06f8cabeaeb
intel_pstate: skip this driver if Sun server has _PPC method

Oracle Sun X86 servers have dynamic power capping capability that works via
ACPI _PPC method etc, so skip loading this driver if Sun server has ACPI _PPC
enabled.

Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com>
Tested-by: Linda Knippers <linda.knippers@hp.com>
Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/cpufreq/intel_pstate.c