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Date: Fri, 17 May 2024 11:15:13 +0200
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Subject: Re: [PATCH 12/13] regulator: add pm8008 pmic regulator driver
To: Johan Hovold <johan@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
 Andy Shevchenko <andy.shevchenko@gmail.com>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Johan Hovold <johan+linaro@kernel.org>, Lee Jones <lee@kernel.org>,
 Mark Brown <broonie@kernel.org>, Linus Walleij <linus.walleij@linaro.org>,
 Bjorn Andersson <andersson@kernel.org>,
 Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley
 <conor+dt@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>,
 Das Srinagesh <quic_gurus@quicinc.com>,
 Satya Priya <quic_c_skakit@quicinc.com>, Stephen Boyd <swboyd@chromium.org>,
 linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org
References: <20240506150830.23709-1-johan+linaro@kernel.org>
 <20240506150830.23709-13-johan+linaro@kernel.org>
 <Zjkq_nWyvc6bUtiu@surfacebook.localdomain>
 <ZjpMeVk_HiixZUEu@hovoldconsulting.com>
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 <8d2ea17c-f91e-4e14-a239-e5e999f6ac50@linaro.org>
 <ZjyQFrqHT2HBOWY6@hovoldconsulting.com>
 <1df61b7c-29c4-4537-a0b6-75785606eeae@kernel.org>
 <ZjzBAvgFt4UnPapk@hovoldconsulting.com>
From: Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <ZjzBAvgFt4UnPapk@hovoldconsulting.com>
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On 09/05/2024 14:26, Johan Hovold wrote:
> 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.
> 

I still in general prefer ID tables, because I saw many times people
copy existing code while not understanding above subtleties thus they
just keep multiplying MODULE_ALIAS, but I understand your explanation
and it is reasonable.

FWIW:

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof