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authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2022-02-21 17:10:52 +0000
committerJakub Kicinski <kuba@kernel.org>2022-02-22 16:57:08 -0800
commit1054457006d4a14de4ae4132030e33d7eedaeba1 (patch)
treeef41912466cfc3358138bf4616c1713dc9656061 /net/dsa/port.c
parent12c740c8683fed9eee4ae9ddddc96a8abeeeda9e (diff)
net: phy: phylink: fix DSA mac_select_pcs() introduction
Vladimir Oltean reports that probing on DSA drivers that aren't yet populating supported_interfaces now fails. Fix this by allowing phylink to detect whether DSA actually provides an underlying mac_select_pcs() implementation. Reported-by: Vladimir Oltean <olteanv@gmail.com> Fixes: bde018222c6b ("net: dsa: add support for phylink mac_select_pcs()") Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Tested-by: Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/E1nMCD6-00A0wC-FG@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dsa/port.c')
-rw-r--r--net/dsa/port.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 258782bf4271..367d141c6971 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -1058,8 +1058,8 @@ dsa_port_phylink_mac_select_pcs(struct phylink_config *config,
phy_interface_t interface)
{
struct dsa_port *dp = container_of(config, struct dsa_port, pl_config);
+ struct phylink_pcs *pcs = ERR_PTR(-EOPNOTSUPP);
struct dsa_switch *ds = dp->ds;
- struct phylink_pcs *pcs = NULL;
if (ds->ops->phylink_mac_select_pcs)
pcs = ds->ops->phylink_mac_select_pcs(ds, dp->index, interface);