On Mon, 27 Dec 2021 18:02:33 +0800 Joseph CHAMG wrote: > +static inline void dm9051_phyup_lock(struct board_info *db) > +{ > + int val, ret; > + > + mutex_lock(&db->addr_lock); > + > + ret = dm9051_phy_read(db, MII_BMCR, &val); > + if (ret) > + return; > + > + /* BMCR Power-up PHY */ > + ret = dm9051_phy_write(db, MII_BMCR, val & ~0x0800); > + if (ret) > + return; > + > + /* GPR Power-up PHY */ > + dm9051_iow(db, DM9051_GPR, 0); > + mdelay(1); /* need for activate phyxcer */ > + > + mutex_unlock(&db->addr_lock); > +} > + > +static inline void dm9051_phydown_lock(struct board_info *db) > +{ > + mutex_lock(&db->addr_lock); > + dm9051_iow(db, DM9051_GPR, 0x01); /* Power-Down PHY */ > + mutex_unlock(&db->addr_lock); > +} Please remove the 'inline' qualifier from functions in C sources. Compiler will know which static functions to inline these days.