linux-kernel - Re: [RFC PATCH v2 2/2] mtd: rawnand: meson: add support for Amlogic NAND flash controller

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Message-ID: <20180817104657.7a1da2c4@bbrezillon>
Date:   Fri, 17 Aug 2018 10:46:57 +0200
From:   Boris Brezillon <boris.brezillon@...tlin.com>
To:     Yixun Lan <yixun.lan@...ogic.com>
Cc:     <linux-mtd@...ts.infradead.org>, Rob Herring <robh@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Richard Weinberger <richard@....at>,
        linux-kernel@...r.kernel.org, Marek Vasut <marek.vasut@...il.com>,
        Liang Yang <liang.yang@...ogic.com>,
        Jian Hu <jian.hu@...ogic.com>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        linux-amlogic@...ts.infradead.org,
        Brian Norris <computersforpeace@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        linux-arm-kernel@...ts.infradead.org,
        Jerome Brunet <jbrunet@...libre.com>
Subject: Re: [RFC PATCH v2 2/2] mtd: rawnand: meson: add support for Amlogic
 NAND flash controller

Hi Yixun,

I know I said I would finish reviewing the driver, but I didn't have
time to do it, so feel free to send a new version addressing the
comments I already made.

On Thu, 19 Jul 2018 17:46:12 +0800
Yixun Lan <yixun.lan@...ogic.com> wrote:


> +static void meson_nfc_select_chip(struct mtd_info *mtd, int chip)
> +{
> +	struct nand_chip *nand = mtd_to_nand(mtd);
> +	struct meson_nfc_nand_chip *meson_chip = to_meson_nand(nand);
> +	struct meson_nfc *nfc = nand_get_controller_data(nand);
> +
> +	if (chip < 0 || chip > MAX_CE_NUM)

			^ chip > meson_chip->nsels)

> +		return;
> +
> +	nfc->param.chip_select = meson_chip->sels[chip] ? NAND_CE1 : NAND_CE0;
> +	nfc->param.rb_select = nfc->param.chip_select;
> +}
> +

Regards,

Boris