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From 929bb4d3cfbc7878326c0771a01a636d49c54b40 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Sat, 22 Apr 2023 01:25:39 +0100
Subject: [PATCH 3/3] net: phy: realtek: check validity of 10GbE link-partner
advertisement
Only use link-partner advertisement bits for 10GbE modes if they are
actually valid. Check LOCALOK and REMOTEOK bits and clear 10GbE modes
unless both of them are set.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
drivers/net/phy/realtek.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -698,6 +698,10 @@ static int rtl822x_read_status(struct ph
if (lpadv < 0)
return lpadv;
+ if (!(lpadv & MDIO_AN_10GBT_STAT_REMOK) ||
+ !(lpadv & MDIO_AN_10GBT_STAT_LOCOK))
+ lpadv = 0;
+
mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv);
}
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