linux-kernel - Re: [PATCH] mtd: rawnand: ingenic: remove redundant get_device() in ingenic_ecc

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Date:   Tue, 10 Nov 2020 08:38:24 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     Yu Kuai <yukuai3@...wei.com>
Cc:     harveyhuntnexus@...il.com, miquel.raynal@...tlin.com,
        vigneshr@...com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org, yi.zhang@...wei.com
Subject: Re: [PATCH] mtd: rawnand: ingenic: remove redundant get_device() in
 ingenic_ecc_get()

Hi,

Le sam. 31 oct. 2020 à 18:54, Yu Kuai <yukuai3@...wei.com> a écrit :
> of_find_device_by_node() already takes a reference to the device, and
> ingenic_ecc_release() will drop the reference. So, the get_device() in
> ingenic_ecc_get() is redundand.
> 
> Fixes: 15de8c6efd0e("mtd: rawnand: ingenic: Separate top-level and 
> SoC specific code")
> Signed-off-by: Yu Kuai <yukuai3@...wei.com>

Acked-by: Paul Cercueil <paul@...pouillou.net>

Thanks,
-Paul

> ---
>  drivers/mtd/nand/raw/ingenic/ingenic_ecc.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c 
> b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
> index 8e22cd6ec71f..efe0ffe4f1ab 100644
> --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
> +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
> @@ -71,8 +71,6 @@ static struct ingenic_ecc *ingenic_ecc_get(struct 
> device_node *np)
>  	if (!pdev || !platform_get_drvdata(pdev))
>  		return ERR_PTR(-EPROBE_DEFER);
> 
> -	get_device(&pdev->dev);
> -
>  	ecc = platform_get_drvdata(pdev);
>  	clk_prepare_enable(ecc->clk);
> 
> --
> 2.25.4
>