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(parent: f77222d) | 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)
commitf0067ebfc42b0f5bb5472fca9fcd4d4fa87a08c0
treef0799cbe78bea40ff23ac55c10e8172652a1a642tree | snapshot
parentf77222d693cc04a881bcd0bded3dd1229c70d7efcommit | 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
Domain: System / Kernel;