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| author | Hoan Tran <hotran@apm.com> | 2016-06-17 15:16:31 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-07 08:32:38 +0200 |
| commit | cd84d3158f21dca9dde35f6cfb51f31dc2f4bde9 (patch) | |
| tree | eea99c6c7a165e068153e357e227f2a0d4ec5f3e /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | a3043ecef71f5b880fe1b1d2aa77b3a896b86a0c (diff) | |
ACPI: CPPC: Return error if _CPC is invalid on a CPU
commit 8343c40d3de32ebfe8f48b043964e4ba0e7701f7 upstream.
Based on 8.4.7.1 section of ACPI 6.1 specification, if the platform
supports CPPC, the _CPC object must exist under all processor objects.
If cpc_desc_ptr pointer is invalid on any CPUs, acpi_get_psd_map()
should return error and CPPC cpufreq driver can not be registered.
Signed-off-by: Hoan Tran <hotran@apm.com>
Reviewed-by: Prashanth Prakash <pprakash@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions