linux-kernel - Re: [PATCH] mtd: rawnand: vf610: Make use of the helper function devm_platform_ioremap

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Date:   Fri, 03 Sep 2021 10:23:22 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: rawnand: vf610: Make use of the helper function
 devm_platform_ioremap_resource()

On 2021-09-01 09:42, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>

Acked-by: Stefan Agner <stefan@...er.ch>

> ---
>  drivers/mtd/nand/raw/vf610_nfc.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c
> index 40d70f991d89..a2b89b75073f 100644
> --- a/drivers/mtd/nand/raw/vf610_nfc.c
> +++ b/drivers/mtd/nand/raw/vf610_nfc.c
> @@ -807,7 +807,6 @@ static const struct nand_controller_ops
> vf610_nfc_controller_ops = {
>  static int vf610_nfc_probe(struct platform_device *pdev)
>  {
>  	struct vf610_nfc *nfc;
> -	struct resource *res;
>  	struct mtd_info *mtd;
>  	struct nand_chip *chip;
>  	struct device_node *child;
> @@ -831,8 +830,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
>  	if (irq <= 0)
>  		return -EINVAL;
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	nfc->regs = devm_ioremap_resource(nfc->dev, res);
> +	nfc->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(nfc->regs))
>  		return PTR_ERR(nfc->regs);