6.11-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 @@ -59,7 +59,8 @@ static inline int enetc_mdio_read_c45(st static inline int enetc_mdio_write_c45(struct mii_bus *bus, int phy_id, int devad, 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