GMAC_IRQ_SRC
skge_read16(hw, SK_REG(port, GMAC_IRQ_SRC));
u8 status = skge_read8(hw, SK_REG(port, GMAC_IRQ_SRC));
u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC));
sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC));