[PATCH] net: b44: always select CONFIG_FIXED_PHY
From: Arnd Bergmann
Date: Fri Mar 20 2026 - 11:50:53 EST
From: Arnd Bergmann <arnd@xxxxxxxx>
When CONFIG_FIXED_PHY=m but CONFIG_B44=y, the kernel fails to link:
ld.lld: error: undefined symbol: fixed_phy_unregister
>>> referenced by b44.c
>>> drivers/net/ethernet/broadcom/b44.o:(b44_remove_one) in archive vmlinux.a
ld.lld: error: undefined symbol: fixed_phy_register_100fd
>>> referenced by b44.c
>>> drivers/net/ethernet/broadcom/b44.o:(b44_register_phy_one) in archive vmlinux.a
The fixed phy support is small enough that just always enabling it
for b44 is the simplest solution, and it avoids adding ugly #ifdef
checks.
Fixes: 10d2f15afba2 ("net: b44: register a fixed phy using fixed_phy_register_100fd if needed")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/net/ethernet/broadcom/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index a8021008eb51..35d68dd99086 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -27,7 +27,7 @@ config B44
select SSB
select MII
select PHYLIB
- select FIXED_PHY if BCM47XX
+ select FIXED_PHY
help
If you have a network (Ethernet) controller of this type, say Y
or M here.
--
2.39.5