39 static void __iomem *gpio_regs;  variable
52 	out_le32(gpio_regs+0x10, 1 << MDIO_PIN(bus));  in mdio_lo()
57 	out_le32(gpio_regs, 1 << MDIO_PIN(bus));  in mdio_hi()
62 	out_le32(gpio_regs+0x10, 1 << MDC_PIN(bus));  in mdc_lo()
67 	out_le32(gpio_regs, 1 << MDC_PIN(bus));  in mdc_hi()
72 	out_le32(gpio_regs+0x20, (1 << MDC_PIN(bus)) | (1 << MDIO_PIN(bus)));  in mdio_active()
77 	out_le32(gpio_regs+0x30, (1 << MDIO_PIN(bus)));  in mdio_tristate()
82 	return !!(in_le32(gpio_regs+0x40) & (1 << MDIO_PIN(bus)));  in mdio_read()
322 	gpio_regs = of_iomap(np, 0);  in gpio_mdio_init()
325 	if (!gpio_regs)  in gpio_mdio_init()
335 	if (gpio_regs)  in gpio_mdio_exit()
336 		iounmap(gpio_regs);  in gpio_mdio_exit()