5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Fang <wei.fang@xxxxxxx>
commit 1d7b2ce43d2c22a21dadaf689cb36a69570346a6 upstream.
Fix the build warnings when CONFIG_FSL_ENETC_MDIO is not enabled.
The detailed warnings are shown as follows.
include/linux/fsl/enetc_mdio.h:62:18: warning: no previous prototype for function 'enetc_hw_alloc' [-Wmissing-prototypes]
62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
| ^
include/linux/fsl/enetc_mdio.h:62:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
| ^
| static
8 warnings generated.
Fixes: 6517798dd343 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Cc: stable@xxxxxxxxxxxxxxx
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202410102136.jQHZOcS4-lkp@xxxxxxxxx/
Signed-off-by: Wei Fang <wei.fang@xxxxxxx>
Reviewed-by: Claudiu Manoil <claudiu.manoil@xxxxxxx>
Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Link: https://patch.msgid.link/20241011030103.392362-1-wei.fang@xxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/fsl/enetc_mdio.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/include/linux/fsl/enetc_mdio.h
+++ b/include/linux/fsl/enetc_mdio.h
@@ -48,7 +48,8 @@ static inline int enetc_mdio_read(struct
static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum,
u16 value)
{ return -EINVAL; }
-struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
+static inline struct enetc_hw *enetc_hw_alloc(struct device *dev,
+ void __iomem *port_regs)
{ return ERR_PTR(-EINVAL); }
#endif
