Re: [PATCH] mtd: rawnand: orion: use devm_platform_get_and_ioremap_resource()

From: Miquel Raynal
Date: Tue Nov 22 2022 - 05:03:00 EST


Hello,

ye.xingchen@xxxxxxxxxx wrote on Tue, 22 Nov 2022 09:33:27 +0800 (CST):

> From: Minghao Chi <chi.minghao@xxxxxxxxxx>
>

Double space in the subject

> Convert platform_get_resource(), devm_ioremap_resource() to a single
> call to devm_platform_get_and_ioremap_resource(), as this is exactly
> what this function does.
>
> Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
> ---
> drivers/mtd/nand/raw/orion_nand.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/mtd/nand/raw/orion_nand.c b/drivers/mtd/nand/raw/orion_nand.c
> index 1bfecf502216..00bd7be76e07 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_get_and_ioremap_resource(pdev, 0, NULL);

If we no longer use res, why not just devm_platform_ioremap_resource() ?

>
> if (IS_ERR(io_base))
> return PTR_ERR(io_base);


Thanks,
Miquèl