linux-kernel - Re: [PATCH v1 2/4] gpio: gpio-rockchip: add compatible string per SoC

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Message-ID: <ced7741a-3bd4-3be5-ab9f-ae388373d38a@linaro.org>
Date:   Wed, 18 Jan 2023 16:35:08 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Johan Jonker <jbx6244@...il.com>, linus.walleij@...aro.org,
        brgl@...ev.pl
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        heiko@...ech.de, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kever.yang@...k-chips.com, sjg@...omium.org,
        philipp.tomsich@...ll.eu
Subject: Re: [PATCH v1 2/4] gpio: gpio-rockchip: add compatible string per SoC

On 18/01/2023 13:14, Johan Jonker wrote:
> Currently all Rockchip gpio nodes have the same compatible.
> Replace all the compatibles in gpio nodes to be able to
> give them a consistent ID independent from probe order or alias.
> 
> Signed-off-by: Johan Jonker <jbx6244@...il.com>
> ---
> 
> For now only add new compatibles.
> No changes to rockchip_gpio_probe() function yet.
> ---
>  drivers/gpio/gpio-rockchip.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
> index e5de15a2a..493207de1 100644
> --- a/drivers/gpio/gpio-rockchip.c
> +++ b/drivers/gpio/gpio-rockchip.c
> @@ -790,7 +790,22 @@ static int rockchip_gpio_remove(struct platform_device *pdev)
> 
>  static const struct of_device_id rockchip_gpio_match[] = {
>  	{ .compatible = "rockchip,gpio-bank", },
> +	{ .compatible = "rockchip,px30-gpio-bank", },
> +	{ .compatible = "rockchip,rk3036-gpio-bank", },
> +	{ .compatible = "rockchip,rk3066a-gpio-bank", },
> +	{ .compatible = "rockchip,rk3128-gpio-bank", },
> +	{ .compatible = "rockchip,rk3188-gpio-bank", },
>  	{ .compatible = "rockchip,rk3188-gpio-bank0" },
> +	{ .compatible = "rockchip,rk3228-gpio-bank", },
> +	{ .compatible = "rockchip,rk3288-gpio-bank", },
> +	{ .compatible = "rockchip,rk3328-gpio-bank", },
> +	{ .compatible = "rockchip,rk3308-gpio-bank", },
> +	{ .compatible = "rockchip,rk3368-gpio-bank", },
> +	{ .compatible = "rockchip,rk3399-gpio-bank", },
> +	{ .compatible = "rockchip,rk3568-gpio-bank", },
> +	{ .compatible = "rockchip,rk3588-gpio-bank", },
> +	{ .compatible = "rockchip,rv1108-gpio-bank", },
> +	{ .compatible = "rockchip,rv1126-gpio-bank", },

No, this list is useless. Entire patch should be dropped. Just use fallback.


Best regards,
Krzysztof