linux-kernel - Re: [PATCH v5 8/8] mtd: maps: gpio-addr-flash: Add support for device-tree devices

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Message-ID: <20181003231021.730ee909@bbrezillon>
Date:   Wed, 3 Oct 2018 23:10:21 +0200
From:   Boris Brezillon <boris.brezillon@...tlin.com>
To:     Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Zhouyang Jia <jiazhouyang09@...il.com>,
        linux-mtd@...ts.infradead.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 8/8] mtd: maps: gpio-addr-flash: Add support for
 device-tree devices

On Wed,  3 Oct 2018 21:38:59 +0200
Ricardo Ribalda Delgado <ricardo.ribalda@...il.com> wrote:

> Allow creating gpio-addr-flash via device-tree and not just via platform
> data.
> 
> Option parsing has been moved to separated functions.
> 
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
> ---
>  drivers/mtd/maps/gpio-addr-flash.c | 95 +++++++++++++++++++++++++++---
>  1 file changed, 87 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c
> index 9e370e3158cd..1be2df81087a 100644
> --- a/drivers/mtd/maps/gpio-addr-flash.c
> +++ b/drivers/mtd/maps/gpio-addr-flash.c
> @@ -7,6 +7,7 @@
>   *
>   * Copyright © 2000 Nicolas Pitre <nico@....org>
>   * Copyright © 2005-2009 Analog Devices Inc.
> + * Copyright © 2018 Ricardo Ribalda <ricardo.ribalda@...il.com>

Would you mind moving the copyright update to a separate patch?


> +
> +static void gf_device_parse_register(struct platform_device *pdev,
> +				     struct async_state *state)
> +{
> +	static const char * const part_probe_types[] = {
> +		"cmdlinepart", "RedBoot", "ofpart", "ofoldpart", NULL };
> +	struct device_node *dn;
> +
> +	dn = pdev->dev.of_node;
> +	if (!dn) {
> +		struct physmap_flash_data *pdata;
> +
> +		pdata = dev_get_platdata(&pdev->dev);
> +		mtd_device_parse_register(state->mtd, part_probe_types, NULL,
> +					  pdata->parts, pdata->nr_parts);
> +		return;
> +	}
> +
> +	mtd_device_parse_register(state->mtd, part_probe_types, NULL, NULL, 0);


Looks like you keep ignoring the mtd_device_parse_register() return.
Probably something you should fix at some point.