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Date:   Mon, 26 Jun 2023 11:54:43 -0600
From:   Rob Herring <robh@kernel.org>
To:     Lee Jones <lee@kernel.org>
Cc:     "Sahin, Okan" <Okan.Sahin@analog.com>,
        Mark Brown <broonie@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Cosmin Tanislav <demonsingur@gmail.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Caleb Connolly <caleb.connolly@linaro.org>,
        Marcus Folkesson <marcus.folkesson@gmail.com>,
        "Bolboaca, Ramona" <Ramona.Bolboaca@analog.com>,
        ChiYuan Huang <cy_huang@richtek.com>,
        "Tilki, Ibrahim" <Ibrahim.Tilki@analog.com>,
        William Breathitt Gray <william.gray@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Hugo Villeneuve <hvilleneuve@dimonoff.com>,
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        Haibo Chen <haibo.chen@nxp.com>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>
Subject: Re: [PATCH v7 5/5] mfd: max77541: Add ADI MAX77541/MAX77540 PMIC
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Message-ID: <20230626175443.GA3446604-robh@kernel.org>
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On Wed, Jun 21, 2023 at 06:13:15PM +0100, Lee Jones wrote:
> On Tue, 13 Jun 2023, Sahin, Okan wrote:
> 
> > >On Fri, Apr 21, 2023 at 08:39:38AM +0100, Lee Jones wrote:
> > >
> > >> I'll try anything once!
> > >
> > >> Fair warning, I think this is going to massively complicate things.
> > >
> > >> Either we're going to be left with a situation where child-driver
> > >> maintainers are scrabbling around looking for previous versions for the
> > >> MFD pull-request or contributors being forced to wait a full cycle for
> > >> their dependencies to arrive in the maintainer's base.
> > >
> > >If people are resending after the MFD has gone in they really ought to
> > >be including the pull request in the cover letter, with some combination
> > >of either referencing the mail or just saying "this depends on the
> > >signed tag at url+tag", the same way they would for any other dependency.
> > >
> > >I can't see how you applying stuff when you can slow things down TBH,
> > >the MFD bits will be applied faster and either people can pull in a
> > >shared tag or you can apply more commits on top of the existing core
> > >driver.
> > >
> > >> I'm not sure why simply providing your Ack when you're happy with the
> > >> driver and forgetting about the set until the pull-request arrives, like
> > >> we've been doing for nearly a decade now, isn't working for you anymore
> > >> but I'm mostly sure this method will be a regression.
> > >
> > >Like I said I've not been doing that, I've mostly been just applying the
> > >driver when it's ready.  This might not have been so visible to you
> > >since it means that the regulator driver doesn't appear in the series by
> > >the time the MFD settles down.  The whole "Acked-for-MFD" has always
> > >been a bit confusing TBH, it's not a normal ack ("go ahead and apply
> > >this, I'm fine with it") so it was never clear what the intention was.
> > >
> > >Before I started just applying the drivers there used to be constant
> > >problems with things like tags going missing (which some of the time is
> > >the submitter just not carrying them but can also be the result of some
> > >churn causing them to be deliberately dropped due to changes) or
> > >forgetting the series as you suggest and then not looking at some other
> > >very similarly named series that was also getting lots of versions after
> > >thinking it was one that had been reviewed already.  It was all very
> > >frustrating.  Not doing the tags until the dependencies have settled
> > >down means that if it's in my inbox it at least consistently needs some
> > >kind of attention and that the submitter didn't drop tags or anything so
> > >I know why there's no tag on it even though the version number is high,
> > >though it's not ideal either.
> > 
> > Hi Mark and Lee,
> > 
> > Is there anything that I need to do for this patch set. I have received reviewed
> > by tag for all of them so far. 
> 
> Since we are so late in the day, I'm going to just apply this for v6.5.
> 
> The remainder can then be applied, friction free, for v6.6.

Now we have undocmented bindings in use by the driver (as pointed out by 
'make dt_compatible_check').

The whole series has all the acks/reviews needed for you to apply the 
whole thing, so why not take the whole thing? Plus this series has been 
sitting for 2 months. Not a great experience for submitters...

Rob