linux-kernel - Re: [PATCH 02/13] mfd: pm8008: fix regmap irq chip initialisation

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Date: Tue, 7 May 2024 17:01:03 +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 02/13] mfd: pm8008: fix regmap irq chip initialisation

On Mon, May 06, 2024 at 09:56:05PM +0300, Andy Shevchenko wrote:
> Mon, May 06, 2024 at 05:08:19PM +0200, Johan Hovold kirjoitti:
> > The regmap irq array is potentially shared between multiple PMICs and
> 
> IRQ

I'm referring to an array of struct regmap_irq. Perhaps I can add an
underscore.
 
> > should only contain static data.
> > 
> > Use a custom macro to initialise also the type fields and drop the
> > unnecessary updates on each probe.
> 
> ...
> 
> > +#define _IRQ_TYPE_ALL (IRQ_TYPE_EDGE_BOTH | IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)
> 
> This is repetition of IRQ_TYPE_DEFAULT.

Thanks, I guess I should use IRQ_TYPE_SENSE_MASK here even.

> ...
> 
> > -			dev_err(dev, "Failed to probe irq periphs: %d\n", rc);
> > +			dev_err(dev, "failed to add IRQ chip: %d\n", rc);
> 
> dev_err_probe(...); ?

This function won't return -EPROBE_DEFER, and that would be a separate
change in any case.

Johan