net: stmmac: Fix TX timestamp calculation

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When using GMAC4 the value written in PTP_SSIR should be shifted however
the shifted value is also used in subsequent calculations which results
in a bad timestamp value.

Signed-off-by: Fredrik Hallenberg <megahallon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Fredrik Hallenberg 2017-12-18 23:33:59 +01:00 • committed by David S. Miller

parent 3db0960117

commit 200922c93f

1 changed files with 4 additions and 2 deletions

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6

drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c

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