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net: txgbe: fix null pointer to pcs

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BugLink: https://bugs.launchpad.net/bugs/2101915

[ Upstream commit 2160428bcb20f2f70a72ee84aba91a1264dc4ff3 ]

For 1000BASE-X or SGMII interface mode, the PCS also need to be selected.
Only return null pointer when there is a copper NIC with external PHY.

Fixes: 02b2a6f91b ("net: txgbe: support copper NIC with external PHY")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20241115073508.1130046-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Jiawen Wu
2025-03-11 08:51:19 +09:00
committed by Stefan Bader
parent 8df98fdd4e
commit 9286a8e586
1 changed files with 1 additions and 1 deletions
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drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+1 -1
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@@ -162,7 +162,7 @@ static struct phylink_pcs *txgbe_phylink_mac_select(struct phylink_config *confi
struct wx *wx = phylink_to_wx(config);
struct txgbe *txgbe = wx->priv;
if (interface == PHY_INTERFACE_MODE_10GBASER)
if (wx->media_type != sp_media_copper)
return &txgbe->xpcs->pcs;
return NULL;