powernv/cpuidle: Parse dt idle properties into global structure
Device-tree parsing happens twice, once while deciding idle state to be used for hotplug and once during cpuidle init. Hence, parsing the device tree and caching it will reduce code duplication. Parsing code has been moved to pnv_parse_cpuidle_dt() from pnv_probe_idle_states(). In addition to the properties in the device tree the number of available states is also required. Signed-off-by:Akshay Adiga <akshay.adiga@linux.vnet.ibm.com> Reviewed-by:
Nicholas Piggin <npiggin@gmail.com> Reviewed-by:
Gautham R. Shenoy <ego@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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6edc22fc
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