linux-kernel - Re: [PATCH RFC v4 02/13] regulator: add getter for active monitors

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Date:   Mon, 26 Jun 2023 17:37:44 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Matti Vaittinen <mazziesaccount@...il.com>
Cc:     Benjamin Bara <bbara93@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        support.opensource@...semi.com,
        DLG-Adam.Ward.opensource@...renesas.com,
        Martin Fuzzey <martin.fuzzey@...wbird.group>,
        linux-kernel@...r.kernel.org,
        Benjamin Bara <benjamin.bara@...data.com>
Subject: Re: [PATCH RFC v4 02/13] regulator: add getter for active monitors

On Mon, Jun 26, 2023 at 04:43:49PM +0300, Matti Vaittinen wrote:
> On 6/20/23 23:02, Benjamin Bara wrote:

> > + * @get_active_protections: Get all enabled monitors of a regulator. OR'ed val
> > + *	of REGULATOR_MONITOR_*.

> I think it wouldn't hurt to have doc stating in which case populating this
> call-back is needed? I haven't read rest of the patches yet but I guess this
> callback is going to be used internally by the regulator core and maybe it
> is not obvious for driver author that this is needed by core to be able to
> support automatic protection handling.

I think this is true for pretty much all callbacks - broadly it's just
the case that if the hardware has a feature the best practice is that
the driver should implement all relevant operations.

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