net: macb: Optimize reading HW timestamp

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The seconds input from BD (6 bits) just needs to be ORed with the
upper bits from timer in this function. Avoid addition operation
every single time. Seconds rollover handling is left untouched.

Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Harini Katakam 2023-04-11 18:07:12 +05:30 • committed by Jakub Kicinski

parent ee4e92c26c

commit 8c0d0fe044

1 changed files with 2 additions and 2 deletions

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drivers/net/ethernet/cadence/macb_ptp.c

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