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From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: "Martin Zaťovič" <m.zatovic1@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	linus.walleij@linaro.org, quic_jhugo@quicinc.com,
	nipun.gupta@amd.com, tzimmermann@suse.de, ogabbay@kernel.org,
	mathieu.poirier@linaro.org, axboe@kernel.dk,
	damien.lemoal@opensource.wdc.com, linux@zary.sk, arnd@arndb.de,
	yangyicong@hisilicon.com, benjamin.tissoires@redhat.com,
	masahiroy@kernel.org, jacek.lawrynowicz@linux.intel.com,
	geert+renesas@glider.be, devicetree@vger.kernel.org
Subject: Re: [PATCHv5 2/4] wiegand: add Wiegand bus driver
Date: Thu, 24 Aug 2023 16:28:05 +0300	[thread overview]
Message-ID: <ZOda5RY/2yW6Y63Q@smile.fi.intel.com> (raw)
In-Reply-To: <ZOdSudrhg/9u3a9N@fedora>

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



  parent reply	other threads:[~2023-08-24 13:28 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-24 11:10 [PATCHv5 0/4] Wiegand bus driver and GPIO bitbanged controller Martin Zaťovič
2023-08-24 11:10 ` [PATCHv5 1/4] dt-bindings: wiegand: add Wiegand controller common properties Martin Zaťovič
2023-08-24 13:37   ` Rob Herring
2023-08-25 13:17     ` Martin Zaťovič
2023-08-24 11:10 ` [PATCHv5 2/4] wiegand: add Wiegand bus driver Martin Zaťovič
2023-08-24 11:40   ` Greg KH
2023-08-24 12:53     ` Martin Zaťovič
2023-08-24 13:08       ` Greg KH
2023-08-24 13:28       ` Andy Shevchenko [this message]
2023-08-24 13:26   ` Andy Shevchenko
2023-08-24 11:10 ` [PATCHv5 3/4] dt-bindings: wiegand: add GPIO bitbanged Wiegand controller Martin Zaťovič
2023-08-24 12:32   ` Rob Herring
2023-08-24 13:40   ` Rob Herring
2023-08-24 11:10 ` [PATCHv5 4/4] wiegand: add Wiegand GPIO bitbanged controller driver Martin Zaťovič
2023-08-24 13:35   ` Andy Shevchenko
2023-08-24 13:44     ` Andy Shevchenko

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