Re: [PATCH v2 1/2] platform/x86/drivers/acerhdf: Use module_param_cb to set/get polling interval

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3. Dezember 2020 08:17, "Daniel Lezcano" <daniel.lezcano@xxxxxxxxxx> schrieb:

> The module parameter can be set by using ops to get and set the
> values. The change will allow to check the correctness of the interval
> value everytime it is changed instead of checking in the get_temp
> function.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>

Acked-by: Peter Kaestle <peter@xxxxxxxx>

> ---
> drivers/platform/x86/acerhdf.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> index 44b6bfbd32df..19fc8ff2225c 100644
> --- a/drivers/platform/x86/acerhdf.c
> +++ b/drivers/platform/x86/acerhdf.c
> @@ -84,8 +84,6 @@ static struct platform_device *acerhdf_dev;
> 
> module_param(kernelmode, uint, 0);
> MODULE_PARM_DESC(kernelmode, "Kernel mode fan control on / off");
> -module_param(interval, uint, 0600);
> -MODULE_PARM_DESC(interval, "Polling interval of temperature check");
> module_param(fanon, uint, 0600);
> MODULE_PARM_DESC(fanon, "Turn the fan on above this temperature");
> module_param(fanoff, uint, 0600);
> @@ -824,3 +822,11 @@ MODULE_ALIAS("dmi:*:*Acer*:pnExtensa*5420*:");
> 
> module_init(acerhdf_init);
> module_exit(acerhdf_exit);
> +
> +static const struct kernel_param_ops interval_ops = {
> + .set = param_set_uint,
> + .get = param_get_uint,
> +};
> +
> +module_param_cb(interval, &interval_ops, &interval, 0600);
> +MODULE_PARM_DESC(interval, "Polling interval of temperature check");
> -- 
> 2.25.1



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