40 	struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip);  in oxnas_nand_read_byte()  local
42 	return readb(oxnas->io_base);  in oxnas_nand_read_byte()
47 	struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip);  in oxnas_nand_read_buf()  local
49 	ioread8_rep(oxnas->io_base, buf, len);  in oxnas_nand_read_buf()
55 	struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip);  in oxnas_nand_write_buf()  local
57 	iowrite8_rep(oxnas->io_base, buf, len);  in oxnas_nand_write_buf()
64 	struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip);  in oxnas_nand_cmd_ctrl()  local
67 		writeb(cmd, oxnas->io_base + OXNAS_NAND_CMD_CLE);  in oxnas_nand_cmd_ctrl()
69 		writeb(cmd, oxnas->io_base + OXNAS_NAND_CMD_ALE);  in oxnas_nand_cmd_ctrl()
79 	struct oxnas_nand_ctrl *oxnas;  in oxnas_nand_probe()  local
88 	oxnas = devm_kzalloc(&pdev->dev, sizeof(*oxnas),  in oxnas_nand_probe()
90 	if (!oxnas)  in oxnas_nand_probe()
93 	nand_controller_init(&oxnas->base);  in oxnas_nand_probe()
96 	oxnas->io_base = devm_ioremap_resource(&pdev->dev, res);  in oxnas_nand_probe()
97 	if (IS_ERR(oxnas->io_base))  in oxnas_nand_probe()
98 		return PTR_ERR(oxnas->io_base);  in oxnas_nand_probe()
100 	oxnas->clk = devm_clk_get(&pdev->dev, NULL);  in oxnas_nand_probe()
101 	if (IS_ERR(oxnas->clk))  in oxnas_nand_probe()
102 		oxnas->clk = NULL;  in oxnas_nand_probe()
109 	err = clk_prepare_enable(oxnas->clk);  in oxnas_nand_probe()
123 		chip->controller = &oxnas->base;  in oxnas_nand_probe()
126 		nand_set_controller_data(chip, oxnas);  in oxnas_nand_probe()
147 		oxnas->chips[oxnas->nchips++] = chip;  in oxnas_nand_probe()
151 	if (!oxnas->nchips) {  in oxnas_nand_probe()
156 	platform_set_drvdata(pdev, oxnas);  in oxnas_nand_probe()
165 	for (i = 0; i < oxnas->nchips; i++) {  in oxnas_nand_probe()
166 		chip = oxnas->chips[i];  in oxnas_nand_probe()
172 	clk_disable_unprepare(oxnas->clk);  in oxnas_nand_probe()
178 	struct oxnas_nand_ctrl *oxnas = platform_get_drvdata(pdev);  in oxnas_nand_remove()  local
182 	for (i = 0; i < oxnas->nchips; i++) {  in oxnas_nand_remove()
183 		chip = oxnas->chips[i];  in oxnas_nand_remove()
188 	clk_disable_unprepare(oxnas->clk);  in oxnas_nand_remove()