-int fec512x_miiphy_read(char *devname, u8 phyAddr, u8 regAddr, u16 * retVal);
-int fec512x_miiphy_write(char *devname, u8 phyAddr, u8 regAddr, u16 data);
+int fec512x_miiphy_read(const char *devname, u8 phyAddr, u8 regAddr, u16 * retVal);
+int fec512x_miiphy_write(const char *devname, u8 phyAddr, u8 regAddr, u16 data);