linux-kernel - Re: [PATCH net-next] phy: amlogic: meson-g12a-usb2: fix Wvoid-pointer-to-enum-cast warning

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Date:   Mon, 14 Aug 2023 09:43:03 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-phy@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Andi Shyti <andi.shyti@...nel.org>
Subject: Re: [PATCH net-next] phy: amlogic: meson-g12a-usb2: fix
 Wvoid-pointer-to-enum-cast warning

On 10/08/2023 11:13, Krzysztof Kozlowski wrote:
> 'soc_id' is an enum, thus cast of pointer on 64-bit compile test with
> W=1 causes:
> 
>    phy-meson-g12a-usb2.c:322:17: error: cast to smaller integer type 'enum meson_soc_id' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>   drivers/phy/amlogic/phy-meson-g12a-usb2.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/amlogic/phy-meson-g12a-usb2.c b/drivers/phy/amlogic/phy-meson-g12a-usb2.c
> index a628c59e5cf0..0e0b5c00b676 100644
> --- a/drivers/phy/amlogic/phy-meson-g12a-usb2.c
> +++ b/drivers/phy/amlogic/phy-meson-g12a-usb2.c
> @@ -319,7 +319,7 @@ static int phy_meson_g12a_usb2_probe(struct platform_device *pdev)
>   	if (IS_ERR(base))
>   		return PTR_ERR(base);
>   
> -	priv->soc_id = (enum meson_soc_id)of_device_get_match_data(&pdev->dev);
> +	priv->soc_id = (uintptr_t)of_device_get_match_data(&pdev->dev);
>   
>   	priv->regmap = devm_regmap_init_mmio(dev, base,
>   					     &phy_meson_g12a_usb2_regmap_conf);

I believe the net-next is wrong here, but whatever:

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>