Re: [PATCH 3/6] platform/x86: uniwill-laptop: Fix behavior of "force" module param

[Werner Sembach <wse@tuxedocomputers.com>]

Am 06.04.26 um 21:36 schrieb Armin Wolf:
> Users might want to force-enable all possible features even on
> machines with a valid device descriptor. Until now the "force"
> module param was ignored on such machines. Fix this to make
> it easier to test for support of new features.
>
> Fixes: d050479693bb ("platform/x86: Add Uniwill laptop driver")
> Signed-off-by: Armin Wolf <W_Armin@gmx.de>
> ---
>   drivers/platform/x86/uniwill/uniwill-acpi.c | 8 ++++++--
>   1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/platform/x86/uniwill/uniwill-acpi.c b/drivers/platform/x86/uniwill/uniwill-acpi.c
> index 5551f193c2c1..7c7ea0e76966 100644
> --- a/drivers/platform/x86/uniwill/uniwill-acpi.c
> +++ b/drivers/platform/x86/uniwill/uniwill-acpi.c
> @@ -2481,8 +2481,6 @@ static int __init uniwill_init(void)
>   		if (!force)
>   			return -ENODEV;
>   
> -		/* Assume that the device supports all features */
> -		device_descriptor.features = UINT_MAX;
>   		pr_warn("Loading on a potentially unsupported device\n");
>   	} else {
>   		/*
> @@ -2500,6 +2498,12 @@ static int __init uniwill_init(void)
>   		device_descriptor = *descriptor;
>   	}
>   
> +	if (force) {
> +		/* Assume that the device supports all features */
> +		device_descriptor.features = UINT_MAX;
> +		pr_warn("Enabling potentially unsupported features\n");
> +	}
> +
this should already exclude the potentially harmfull "charging threshold"
>   	ret = platform_driver_register(&uniwill_driver);
>   	if (ret < 0)
>   		return ret;