linux-kernel - Re: [PATCH 11/13] mfd: pm8008: rework driver

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Message-ID: <ZjyafGz_1pY4J9C7@hovoldconsulting.com>
Date: Thu, 9 May 2024 11:42:20 +0200
From: Johan Hovold <johan@...nel.org>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Johan Hovold <johan+linaro@...nel.org>, Lee Jones <lee@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Das Srinagesh <quic_gurus@...cinc.com>,
	Satya Priya <quic_c_skakit@...cinc.com>,
	Stephen Boyd <swboyd@...omium.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org
Subject: Re: [PATCH 11/13] mfd: pm8008: rework driver

On Mon, May 06, 2024 at 10:18:58PM +0300, Andy Shevchenko wrote:
> Mon, May 06, 2024 at 05:08:28PM +0200, Johan Hovold kirjoitti:

> > +static void devm_irq_domain_fwnode_release(void *res)
> > +{
> 
> > +	struct fwnode_handle *fwnode = res;
> 
> Unneeded line, can be
> 
> static void devm_irq_domain_fwnode_release(void *fwnode)
> 
> > +	irq_domain_free_fwnode(fwnode);
> > +}

I think I prefer it this way for clarity and for type safety in the
unlikely even that the argument to irq_domain_free_fwnode() would ever
change.

> > +	name = devm_kasprintf(dev, GFP_KERNEL, "%pOF-internal", dev->of_node);
> 
> You are using fwnode for IRQ domain and IRQ domain core uses fwnode, why OF here?
> 
> 	name = devm_kasprintf(dev, GFP_KERNEL, "%pfw-internal", dev_fwnode(dev));

This driver only support OF so why bother.

Johan