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(parent: 07139bf) | patch
ptp: add gettimex64() to virtual clocks.
authorMiroslav Lichvar <mlichvar@redhat.com>
Wed, 2 Feb 2022 09:33:57 +0000 (10:33 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 3 Feb 2022 14:00:57 +0000 (14:00 +0000)
commit6962f63f9cb72f09eb4430d6ce3139995cc2838c
treef0799cbe78bea40ff23ac55c10e8172652a1a642tree | snapshot
parent07139bfffa99703716d68e5c4b0847c837431cf3commit | diff
ptp: add gettimex64() to virtual clocks.

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>
drivers/ptp/ptp_vclock.c diff | blob | history
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