ptp: add gettimex64() to virtual clocks.

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If the physical clock has the gettimex64() function, provide a
gettimex64() wrapper in the virtual clock to enable more accurate
and stable synchronization.

This adds support for the PTP_SYS_OFFSET_EXTENDED ioctl.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Cc: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Miroslav Lichvar 2022-02-02 10:33:57 +01:00 • committed by David S. Miller

parent f77222d693

commit f0067ebfc4

1 changed files with 28 additions and 1 deletions

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drivers/ptp/ptp_vclock.c

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