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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2016-09-01 23:37:10 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-09-09 00:02:14 +0300
commita6cbcdd5ab5f242d49f511127f0a601b71be2cc4 (patch)
tree6c7b1fad06bc5dfce0d10ffa9c6903959060df8e /drivers/cpufreq
parent5448f14698b916e5b04112b104433b90247e01c7 (diff)
downloadlinux-a6cbcdd5ab5f242d49f511127f0a601b71be2cc4.tar.xz
ACPI / CPPC: Add support for functional fixed hardware address
The CPPC registers can also be accessed via functional fixed hardware addresse(FFH) in X86. Add support by modifying cpc_read and cpc_write to be able to read/write MSRs on x86 platform on per cpu basis. Also with this change, acpi_cppc_processor_probe doesn't bail out if address space id is not equal to PCC or memory address space and FFH is supported on the system. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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