Re: [PATCH 1/2] drm/bridge: adv7511: fix Wvoid-pointer-to-enum-cast warning

From: Laurent Pinchart
Date: Thu Aug 10 2023 - 06:12:11 EST


Hi Krzysztof,

Thank you for the patch.

On Thu, Aug 10, 2023 at 11:59:22AM +0200, Krzysztof Kozlowski wrote:
> 'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
> causes:
>
> adv7511_drv.c:1214:19: error: cast to smaller integer type 'enum adv7511_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

> ---
> drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index 2611afd2c1c1..0e284f379602 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -1211,7 +1211,7 @@ static int adv7511_probe(struct i2c_client *i2c)
> adv7511->status = connector_status_disconnected;
>
> if (dev->of_node)
> - adv7511->type = (enum adv7511_type)of_device_get_match_data(dev);
> + adv7511->type = (uintptr_t)of_device_get_match_data(dev);
> else
> adv7511->type = id->driver_data;
>

--
Regards,

Laurent Pinchart