linux-kernel - Re: [PATCH 12/13] regulator: add pm8008 pmic regulator driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZjzBAvgFt4UnPapk@hovoldconsulting.com>
Date: Thu, 9 May 2024 14:26:42 +0200
From: Johan Hovold <johan@...nel.org>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	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 12/13] regulator: add pm8008 pmic regulator driver

On Thu, May 09, 2024 at 12:48:18PM +0200, Krzysztof Kozlowski wrote:
> On 09/05/2024 10:57, Johan Hovold wrote:
> > On Tue, May 07, 2024 at 08:14:43PM +0200, Krzysztof Kozlowski wrote:
> >> On 07/05/2024 19:22, Andy Shevchenko wrote:

> >> Yeah, please use ID table, since this is a driver (unless I missed
> >> something). Module alias does not scale, leads to stale and duplicated
> >> entries, so should not be used as substitute of ID table. Alias is
> >> suitable for different cases.
> > 
> > There's no scalability issue here. If the driver uses driver name
> > matching then there will always be exactly one alias needed.
> 
> And then we add one more ID with driver data and how does it scale?

That's what I wrote in the part of my reply that you left out. If a
driver is going to be used for multiple devices, then a module id table
makes sense, but there is no need to go around adding redundant tables
just for the sake of it when a simple alias will do.

Johan