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References: <20240117083251.53868-1-hector.palacios@digi.com> <20240117083251.53868-2-hector.palacios@digi.com>
In-Reply-To: <20240117083251.53868-2-hector.palacios@digi.com>
From: Andy Shevchenko <andy.shevchenko@gmail.com>
Date: Wed, 17 Jan 2024 22:51:59 +0200
Message-ID: <CAHp75Vci=1nAvxRcbkK2SxGWGbQVbzQMTycMt8tZ5snPRTYXOg@mail.gmail.com>
Subject: Re: [PATCH v3 1/3] gpio: vf610: add support to DT 'ngpios' property
To: Hector Palacios <hector.palacios@digi.com>
Cc: linus.walleij@linaro.org, brgl@bgdev.pl, robh+dt@kernel.org, 
	krzysztof.kozlowski+dt@linaro.org, andy@kernel.org, conor+dt@kernel.org, 
	shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, 
	festevam@gmail.com, linux-imx@nxp.com, stefan@agner.ch, 
	linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-kernel@vger.kernel.org
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On Wed, Jan 17, 2024 at 10:35=E2=80=AFAM Hector Palacios
<hector.palacios@digi.com> wrote:
>
> Some SoCs, such as i.MX93, don't have all 32 pins available
> per port. Allow optional generic 'ngpios' property to be
> specified from the device tree and default to
> VF610_GPIO_PER_PORT (32) if the property does not exist.

..

> +       ret =3D device_property_read_u32(dev, "ngpios", &ngpios);
> +       if (ret || ngpios > VF610_GPIO_PER_PORT)
> +               gc->ngpio =3D VF610_GPIO_PER_PORT;
> +       else
> +               gc->ngpio =3D (u16)ngpios;

This property is being read by the GPIOLIB core. Why do you need to repeat =
this?

--=20
With Best Regards,
Andy Shevchenko