linux-kernel - Re: [PATCH 05/23] gpio: nomadik: extract GPIO platform driver from drivers/pinctrl/nomadik/

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Message-ID: <e031566a85ae0da0ee71dffba5d87c6414ef83e1.camel@pengutronix.de>
Date: Thu, 15 Feb 2024 11:03:24 +0100
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Théo Lebrun <theo.lebrun@...tlin.com>, Linus Walleij
 <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, Rob
 Herring <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>,  Conor Dooley <conor+dt@...nel.org>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mips@...r.kernel.org, Gregory CLEMENT <gregory.clement@...tlin.com>, 
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>, Tawfik Bayouk <tawfik.bayouk@...ileye.com>
Subject: Re: [PATCH 05/23] gpio: nomadik: extract GPIO platform driver from
 drivers/pinctrl/nomadik/

On Mi, 2024-02-14 at 17:23 +0100, Théo Lebrun wrote:
[...]
> diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
> new file mode 100644
> index 000000000000..e39477e1a58f
> --- /dev/null
> +++ b/drivers/gpio/gpio-nomadik.c
> @@ -0,0 +1,660 @@
[...]
> +static int nmk_gpio_probe(struct platform_device *dev)
> +{
[...]
> +	ret = gpiochip_add_data(chip, nmk_chip);

Use devm_gpiochip_add_data() to cleanup on unbind, before nmk_chip goes
away. Or make the driver un-unbindable via suppress_bind_attrs. In that
case you could drop devm_ prefixes everywhere for consistency.

regards
Philipp