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author | Johannes Zink <j.zink@pengutronix.de> | 2023-08-01 18:44:30 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-07 22:17:13 +0300 |
commit | 6cb2e613c79653e40814152def7abec32efe0f29 (patch) | |
tree | 695a07787cc1349455e1a9d5a19cc306e17223fc /drivers/fsi/fsi-scom.c | |
parent | 26cfb838aa002a5c03319f7fce87e9313e794351 (diff) | |
download | linux-6cb2e613c79653e40814152def7abec32efe0f29.tar.xz |
net: stmmac: dwmac-imx: enable MAC propagation delay correction for i.MX8MP
As the i.MX8MP supports reading MAC propagation delay and correcting the
Hardware timestamp counter for additional delays [1], enable the feature
for this SoC.
This reduces phase error of the PPS output from the PTP Hardware Clock
from approx 150ns to 100ns.
[1] i.MX8MP Reference Manual, rev.1 Section 11.7.2.5.3 "Timestamp
correction"
Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
Link: https://lore.kernel.org/r/20230719-stmmac_correct_mac_delay-v3-2-61e63427735e@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/fsi/fsi-scom.c')
0 files changed, 0 insertions, 0 deletions