645 	struct mtk_snand *ms = nand_to_mtk_snand(nand);  in mtk_snand_ooblayout_free()  local
647 	if (section >= ms->nfi_cfg.nsectors)  in mtk_snand_ooblayout_free()
650 	oobfree->length = ms->caps->fdm_size - 1;  in mtk_snand_ooblayout_free()
651 	oobfree->offset = section * ms->caps->fdm_size + 1;  in mtk_snand_ooblayout_free()
1258 	struct mtk_snand *ms = spi_controller_get_devdata(mem->spi->master);  in mtk_snand_adjust_op_size()  local
1266 		if (ms->autofmt)  in mtk_snand_adjust_op_size()
1268 		l = ms->caps->sector_size + ms->nfi_cfg.spare_size;  in mtk_snand_adjust_op_size()
1269 		l *= ms->nfi_cfg.nsectors;  in mtk_snand_adjust_op_size()
1285 	struct mtk_snand *ms = spi_controller_get_devdata(mem->spi->master);  in mtk_snand_exec_op()  local
1287 	dev_dbg(ms->dev, "OP %02x ADDR %08llX@%d:%u DATA %d:%u", op->cmd.opcode,  in mtk_snand_exec_op()
1292 			return mtk_snand_read_page_cache(ms, op);  in mtk_snand_exec_op()
1294 			return mtk_snand_write_page_cache(ms, op);  in mtk_snand_exec_op()
1296 		return mtk_snand_mac_io(ms, op);  in mtk_snand_exec_op()
1335 static int mtk_snand_enable_clk(struct mtk_snand *ms)  in mtk_snand_enable_clk()  argument
1339 	ret = clk_prepare_enable(ms->nfi_clk);  in mtk_snand_enable_clk()
1341 		dev_err(ms->dev, "unable to enable nfi clk\n");  in mtk_snand_enable_clk()
1344 	ret = clk_prepare_enable(ms->pad_clk);  in mtk_snand_enable_clk()
1346 		dev_err(ms->dev, "unable to enable pad clk\n");  in mtk_snand_enable_clk()
1349 	ret = clk_prepare_enable(ms->nfi_hclk);  in mtk_snand_enable_clk()
1351 		dev_err(ms->dev, "unable to enable nfi hclk\n");  in mtk_snand_enable_clk()
1358 	clk_disable_unprepare(ms->pad_clk);  in mtk_snand_enable_clk()
1360 	clk_disable_unprepare(ms->nfi_clk);  in mtk_snand_enable_clk()
1364 static void mtk_snand_disable_clk(struct mtk_snand *ms)  in mtk_snand_disable_clk()  argument
1366 	clk_disable_unprepare(ms->nfi_hclk);  in mtk_snand_disable_clk()
1367 	clk_disable_unprepare(ms->pad_clk);  in mtk_snand_disable_clk()
1368 	clk_disable_unprepare(ms->nfi_clk);  in mtk_snand_disable_clk()
1376 	struct mtk_snand *ms;  in mtk_snand_probe()  local
1385 	ctlr = devm_spi_alloc_master(&pdev->dev, sizeof(*ms));  in mtk_snand_probe()
1390 	ms = spi_controller_get_devdata(ctlr);  in mtk_snand_probe()
1392 	ms->ctlr = ctlr;  in mtk_snand_probe()
1393 	ms->caps = dev_id->data;  in mtk_snand_probe()
1395 	ms->ecc = of_mtk_ecc_get(np);  in mtk_snand_probe()
1396 	if (IS_ERR(ms->ecc))  in mtk_snand_probe()
1397 		return PTR_ERR(ms->ecc);  in mtk_snand_probe()
1398 	else if (!ms->ecc)  in mtk_snand_probe()
1401 	ms->nfi_base = devm_platform_ioremap_resource(pdev, 0);  in mtk_snand_probe()
1402 	if (IS_ERR(ms->nfi_base)) {  in mtk_snand_probe()
1403 		ret = PTR_ERR(ms->nfi_base);  in mtk_snand_probe()
1407 	ms->dev = &pdev->dev;  in mtk_snand_probe()
1409 	ms->nfi_clk = devm_clk_get(&pdev->dev, "nfi_clk");  in mtk_snand_probe()
1410 	if (IS_ERR(ms->nfi_clk)) {  in mtk_snand_probe()
1411 		ret = PTR_ERR(ms->nfi_clk);  in mtk_snand_probe()
1416 	ms->pad_clk = devm_clk_get(&pdev->dev, "pad_clk");  in mtk_snand_probe()
1417 	if (IS_ERR(ms->pad_clk)) {  in mtk_snand_probe()
1418 		ret = PTR_ERR(ms->pad_clk);  in mtk_snand_probe()
1423 	ms->nfi_hclk = devm_clk_get_optional(&pdev->dev, "nfi_hclk");  in mtk_snand_probe()
1424 	if (IS_ERR(ms->nfi_hclk)) {  in mtk_snand_probe()
1425 		ret = PTR_ERR(ms->nfi_hclk);  in mtk_snand_probe()
1430 	ret = mtk_snand_enable_clk(ms);  in mtk_snand_probe()
1434 	init_completion(&ms->op_done);  in mtk_snand_probe()
1436 	ms->irq = platform_get_irq(pdev, 0);  in mtk_snand_probe()
1437 	if (ms->irq < 0) {  in mtk_snand_probe()
1438 		ret = ms->irq;  in mtk_snand_probe()
1441 	ret = devm_request_irq(ms->dev, ms->irq, mtk_snand_irq, 0x0,  in mtk_snand_probe()
1442 			       "mtk-snand", ms);  in mtk_snand_probe()
1444 		dev_err(ms->dev, "failed to request snfi irq\n");  in mtk_snand_probe()
1448 	ret = dma_set_mask(ms->dev, DMA_BIT_MASK(32));  in mtk_snand_probe()
1450 		dev_err(ms->dev, "failed to set dma mask\n");  in mtk_snand_probe()
1455 	nfi_write32(ms, SNF_CFG, SPI_MODE);  in mtk_snand_probe()
1459 		nfi_rmw32(ms, SNF_DLY_CTL3, SFCK_SAM_DLY,  in mtk_snand_probe()
1464 		spi_freq = clk_get_rate(ms->pad_clk);  in mtk_snand_probe()
1466 		nfi_rmw32(ms, SNF_MISC_CTL, DATA_READ_LATCH_LAT,  in mtk_snand_probe()
1472 	ret = mtk_snand_setup_pagefmt(ms, SZ_2K, SZ_64);  in mtk_snand_probe()
1474 		dev_err(ms->dev, "failed to set initial page format\n");  in mtk_snand_probe()
1479 	ms->ecc_eng.dev = &pdev->dev;  in mtk_snand_probe()
1480 	ms->ecc_eng.integration = NAND_ECC_ENGINE_INTEGRATION_PIPELINED;  in mtk_snand_probe()
1481 	ms->ecc_eng.ops = &mtk_snfi_ecc_engine_ops;  in mtk_snand_probe()
1482 	ms->ecc_eng.priv = ms;  in mtk_snand_probe()
1484 	ret = nand_ecc_register_on_host_hw_engine(&ms->ecc_eng);  in mtk_snand_probe()
1504 	mtk_snand_disable_clk(ms);  in mtk_snand_probe()
1506 	mtk_ecc_release(ms->ecc);  in mtk_snand_probe()
1513 	struct mtk_snand *ms = spi_controller_get_devdata(ctlr);  in mtk_snand_remove()  local
1516 	mtk_snand_disable_clk(ms);  in mtk_snand_remove()
1517 	mtk_ecc_release(ms->ecc);  in mtk_snand_remove()
1518 	kfree(ms->buf);  in mtk_snand_remove()