net/mdio/mdio-sun4i.c

32 	void __iomem		*membase;
43 	writel((mii_id << 8) | regnum, data->membase + EMAC_MAC_MADR_REG);
45 	writel(0x1, data->membase + EMAC_MAC_MCMD_REG);
49 	while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) {
56 	writel(0x0, data->membase + EMAC_MAC_MCMD_REG);
58 	value = readl(data->membase + EMAC_MAC_MRDD_REG);
70 	writel((mii_id << 8) | regnum, data->membase + EMAC_MAC_MADR_REG);
72 	writel(0x1, data->membase + EMAC_MAC_MCMD_REG);
76 	while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) {
83 	writel(0x0, data->membase + EMAC_MAC_MCMD_REG);
85 	writel(value, data->membase + EMAC_MAC_MWTD_REG);
108 	data->membase = devm_platform_ioremap_resource(pdev, 0);
109 	if (IS_ERR(data->membase)) {
110 		ret = PTR_ERR(data->membase);