/* Read register content, clear bitmask and write back to register.  */
void ksz8851_reg_clrbits(uint16_t reg, uint16_t bits_to_clr)
/* Read register content, clear bitmask and write back to register.  */
void ksz8851_reg_clrbits(uint16_t reg, uint16_t bits_to_clr)
{
   uint16_t	temp;
   temp = ksz8851_reg_read(reg);
   temp &= ~(uint32_t) bits_to_clr;
   ksz8851_reg_write(reg, temp);
}