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authorSrinivas Pandruvada <[email protected]>2016-09-01 20:37:10 +0000
committerRafael J. Wysocki <[email protected]>2016-09-08 21:02:14 +0000
commita6cbcdd5ab5f242d49f511127f0a601b71be2cc4 (patch)
tree6c7b1fad06bc5dfce0d10ffa9c6903959060df8e /include/acpi/cppc_acpi.h
parentACPI / CPPC: Don't return on CPPC probe failure (diff)
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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 <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
Diffstat (limited to 'include/acpi/cppc_acpi.h')
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