linux-kernel - Re: [PATCH v4 17/35] mtd: rawnand: omap2: convert driver to nand

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Date:   Sat, 21 Jul 2018 19:34:46 +0200
From:   Boris Brezillon <boris.brezillon@...tlin.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Wenyou Yang <wenyou.yang@...rochip.com>,
        Josh Wu <rainyfeeling@...look.com>,
        Tudor Ambarus <Tudor.Ambarus@...rochip.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Kamal Dasu <kdasu.kdev@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Han Xu <han.xu@....com>,
        Harvey Hunt <harveyhuntnexus@...il.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Sylvain Lemieux <slemieux.tyco@...il.com>,
        Xiaolei Li <xiaolei.li@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Mans Rullgard <mans@...sr.com>, Stefan Agner <stefan@...er.ch>,
        linux-mtd@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v4 17/35] mtd: rawnand: omap2: convert driver to
 nand_scan()

On Fri, 20 Jul 2018 17:15:09 +0200
Miquel Raynal <miquel.raynal@...tlin.com> wrote:

>  static int omap_nand_probe(struct platform_device *pdev)
>  {
>  	struct omap_nand_info		*info;
>  	struct mtd_info			*mtd;
>  	struct nand_chip		*nand_chip;
>  	int				err;
> -	dma_cap_mask_t			mask;
>  	struct resource			*res;
>  	struct device			*dev = &pdev->dev;
> -	int				min_oobbytes = BADBLOCK_MARKER_LENGTH;
> -	int				oobbytes_per_step;
>  
>  	info = devm_kzalloc(&pdev->dev, sizeof(struct omap_nand_info),
>  				GFP_KERNEL);
> @@ -1967,6 +2221,7 @@ static int omap_nand_probe(struct platform_device *pdev)
>  	info->phys_base = res->start;
>  
>  	nand_chip->controller = &omap_gpmc_controller;
> +	nand_chip->controller->ops = &omap_nand_controller_ops;

Move this assignment here [1].

>  
>  	nand_chip->IO_ADDR_W = nand_chip->IO_ADDR_R;
>  	nand_chip->cmd_ctrl  = omap_hwcontrol;

[1]https://elixir.bootlin.com/linux/v4.18-rc5/source/drivers/mtd/nand/raw/omap2.c#L148