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TG-641: 10g copper eth1 not recover after down/up #87

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paul-sirin wants to merge 4 commits into from
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TG-641: 10g copper eth1 not recover after down/up #87

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0365a5c
net: phy: marvell10g: fix 88X3310 TX/RX broken after second link-up (…
paul-sirin May 14, 2026
e9cf2db
net: phy: marvell10g: fix 10GBASE-R host serdes reset after link cycl…
paul-sirin May 14, 2026
c17a63b
Merge remote-tracking branch 'origin/tg-v6.18-ath12k-next' into bugfi…
paul-sirin May 25, 2026
83dad73
net: phy: marvell10g: additional timing fix for 88X3310 phy resume (T…
paul-sirin May 25, 2026
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5 changes: 4 additions & 1 deletion drivers/net/phy/marvell10g.c
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Original file line number Diff line number Diff line change
Expand Up @@ -414,15 +414,18 @@ static int mv3310_power_up(struct phy_device *phydev)
* SWRST. Without this, the second and subsequent link-up sequences
* result in broken TX/RX. The datasheet specifies bit 15 = 1 means
* reset in progress, 0 means normal operation.
* To be safe, also add a static delay after polling, with median upper
* bound of SWRST completion time observed at <10ms.
*/
if (phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
ret, !(ret & MV_V2_33X0_PORT_CTRL_SWRST),
5000, 200000, true))
phydev_warn(phydev, "SWRST timed out 200ms\n");
msleep(10);

ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
MV_V2_33X0_PORT_CTRL_SWRST);
msleep(100);
msleep(200);
return ret;
}

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