sparc64: broken %tick frequency on spitfire cpus

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After early boot time stamps project the %tick frequency is detected
incorrectly on spittfire cpus.

We must use cpuid of boot cpu to find corresponding cpu node in OpenBoot,
and extract clock-frequency property from there.

Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Pavel Tatashin 2017-06-15 10:40:59 -04:00 • committed by David S. Miller

parent fca4afe400

commit eea9833453

1 changed files with 26 additions and 1 deletions

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arch/sparc/kernel/time_64.c

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