diff options
Diffstat (limited to 'drivers/mtd/nand/raw/orion_nand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/orion_nand.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/mtd/nand/raw/orion_nand.c b/drivers/mtd/nand/raw/orion_nand.c index 1bfecf502216..47e80d5e58c5 100644 --- a/drivers/mtd/nand/raw/orion_nand.c +++ b/drivers/mtd/nand/raw/orion_nand.c @@ -102,7 +102,6 @@ static int __init orion_nand_probe(struct platform_device *pdev) struct mtd_info *mtd; struct nand_chip *nc; struct orion_nand_data *board; - struct resource *res; void __iomem *io_base; int ret = 0; u32 val = 0; @@ -119,8 +118,7 @@ static int __init orion_nand_probe(struct platform_device *pdev) info->controller.ops = &orion_nand_ops; nc->controller = &info->controller; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - io_base = devm_ioremap_resource(&pdev->dev, res); + io_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(io_base)) return PTR_ERR(io_base); @@ -171,16 +169,10 @@ static int __init orion_nand_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); /* Not all platforms can gate the clock, so it is optional. */ - info->clk = devm_clk_get_optional(&pdev->dev, NULL); + info->clk = devm_clk_get_optional_enabled(&pdev->dev, NULL); if (IS_ERR(info->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(info->clk), - "failed to get clock!\n"); - - ret = clk_prepare_enable(info->clk); - if (ret) { - dev_err(&pdev->dev, "failed to prepare clock!\n"); - return ret; - } + "failed to get and enable clock!\n"); /* * This driver assumes that the default ECC engine should be TYPE_SOFT. @@ -191,23 +183,17 @@ static int __init orion_nand_probe(struct platform_device *pdev) ret = nand_scan(nc, 1); if (ret) - goto no_dev; + return ret; mtd->name = "orion_nand"; ret = mtd_device_register(mtd, board->parts, board->nr_parts); - if (ret) { + if (ret) nand_cleanup(nc); - goto no_dev; - } - return 0; - -no_dev: - clk_disable_unprepare(info->clk); return ret; } -static int orion_nand_remove(struct platform_device *pdev) +static void orion_nand_remove(struct platform_device *pdev) { struct orion_nand_info *info = platform_get_drvdata(pdev); struct nand_chip *chip = &info->chip; @@ -217,10 +203,6 @@ static int orion_nand_remove(struct platform_device *pdev) WARN_ON(ret); nand_cleanup(chip); - - clk_disable_unprepare(info->clk); - - return 0; } #ifdef CONFIG_OF |