linux-kernel - Re: [PATCH v7 08/11] misc: rp1: RaspberryPi RP1 misc driver

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Message-ID: <20250323115602.GE1902347@rocinante>
Date: Sun, 23 Mar 2025 20:56:02 +0900
From: Krzysztof Wilczynski <kw@...ux.com>
To: Andrea della Porta <andrea.porta@...e.com>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Bartosz Golaszewski <brgl@...ev.pl>,
	Derek Kiernan <derek.kiernan@....com>,
	Dragan Cvetic <dragan.cvetic@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Saravana Kannan <saravanak@...gle.com>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-gpio@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>,
	Stefan Wahren <wahrenst@....net>,
	Herve Codina <herve.codina@...tlin.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v7 08/11] misc: rp1: RaspberryPi RP1 misc driver

Hello,

[...]
> > Or, something like this over this the function name.  Perhaps exposing
> > error code could be useful to the end user? If so then something like this:
> > 
> >   return dev_err_probe(&pdev->dev, err,
> > 		       "Failed to allocate MSI-X vectors, err=%d\n", err);
> 
> dev_err_probe() should already print the err code, no need to add it.

Ahh...

I did a copy-paste of the code from above purely for illustration, sorry
for the confusion here!

> > Here and other errors where appropriate.
> 
> I've changed dev_err() to dev_err_probe() in cases where the error code
> is not evident (i.e. hardcoded) from the source.

Makes sense.

> Thank you so much for your review!

Pleasure!  Thank you for all the work here!

	Krzysztof