diff options
| author | Tan Tee Min <[email protected]> | 2021-03-23 19:07:34 +0800 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2021-03-24 15:12:36 -0700 |
| commit | 341f67e424e572bfc034daa534c6fa667533e6a4 (patch) | |
| tree | 9eb068488d74e90163afebaad00ff84946dbfd18 /tools/perf/scripts/python/sched-migration.py | |
| parent | bef32aa8e412b2495503134a3c02139151b3ebfc (diff) | |
net: stmmac: Add hardware supported cross-timestamp
Cross timestamping is supported on Integrated Ethernet Controller in
Intel SoC such as EHL and TGL with Always Running Timer.
The hardware cross-timestamp result is made available to
applications through the PTP_SYS_OFFSET_PRECISE ioctl which calls
stmmac_getcrosststamp().
Device time is stored in the MAC Auxiliary register. The 64-bit System
time (ART timestamp) is stored in registers that are only addressable
by using MDIO space.
Signed-off-by: Tan Tee Min <[email protected]>
Co-developed-by: Wong Vee Khee <[email protected]>
Signed-off-by: Wong Vee Khee <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sched-migration.py')
0 files changed, 0 insertions, 0 deletions