Re: [PATCHv5 2/4] wiegand: add Wiegand bus driver

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On Thu, Aug 24, 2023 at 02:53:13PM +0200, Martin Zaťovič wrote:
> On Thu, Aug 24, 2023 at 01:40:35PM +0200, Greg KH wrote:
> > On Thu, Aug 24, 2023 at 01:10:13PM +0200, Martin Zaťovič wrote:

...

> > > +static inline void wiegand_controller_put(void *ptr)
> > 
> > Why is this a void *?  It should be "struct wiegand_controller *"
> 
> It is a void* because it is being passed to devm_add_action_or_reset()
> and this function only accepts a pointer to a function that accepts a void*
> parameter. I am not sure if there is a way around it.

I just replied with a deeper review with the answer to this.

> > Please never use void * if at all possible.

Correct. We better to have a type checking when possible. Esp. for the exported
functions.

-- 
With Best Regards,
Andy Shevchenko





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