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

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Message-ID: <61ab65d3-bf52-5701-95d2-476b8c2d719c@baylibre.com>
Date:   Wed, 1 Sep 2021 10:14:28 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
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-arm-kernel@...ts.infradead.org, linux-oxnas@...ups.io,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: rawnand: oxnas: Make use of the helper function
 devm_platform_ioremap_resource()

On 01/09/2021 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>
> ---
>  drivers/mtd/nand/raw/oxnas_nand.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c
> index f44947043e5a..cd112d45e0b5 100644
> --- a/drivers/mtd/nand/raw/oxnas_nand.c
> +++ b/drivers/mtd/nand/raw/oxnas_nand.c
> @@ -79,7 +79,6 @@ static int oxnas_nand_probe(struct platform_device *pdev)
>  	struct oxnas_nand_ctrl *oxnas;
>  	struct nand_chip *chip;
>  	struct mtd_info *mtd;
> -	struct resource *res;
>  	int count = 0;
>  	int err = 0;
>  	int i;
> @@ -92,8 +91,7 @@ static int oxnas_nand_probe(struct platform_device *pdev)
>  
>  	nand_controller_init(&oxnas->base);
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	oxnas->io_base = devm_ioremap_resource(&pdev->dev, res);
> +	oxnas->io_base = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(oxnas->io_base))
>  		return PTR_ERR(oxnas->io_base);
>  
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>