From: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Date: Sun, 28 Apr 2024 14:51:02 +0000 (+0100)
Subject: net: phylink: add debug print for empty posssible_interfaces
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0041cd3799e76704a66f0ddd1a374fb77ec94e7f;p=linux.git

net: phylink: add debug print for empty posssible_interfaces

Add a debugging print in phylink_validate_phy() when we detect that the
PHY has not supplied a possible_interfaces bitmap.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/r/E1s15rq-00AHye-22@rmk-PC.armlinux.org.uk
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 0e692a3bcf1aa..b7e5c669dc8ef 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1838,6 +1838,9 @@ static int phylink_validate_phy(struct phylink *pl, struct phy_device *phy,
 					     interfaces);
 	}
 
+	phylink_dbg(pl, "PHY %s doesn't supply possible interfaces\n",
+		    phydev_name(phy));
+
 	/* Check whether we would use rate matching for the proposed interface
 	 * mode.
 	 */