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From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Maciej Purski <m.purski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Liam Girdwood <lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Marek Szyprowski
	<m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Bartlomiej Zolnierkiewicz
	<b.zolnierkie-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH v3 4/4] regulator: core: Balance coupled regulators voltages
Date: Thu, 21 Dec 2017 13:34:56 +0000	[thread overview]
Message-ID: <20171221133456.GF6754@sirena.org.uk> (raw)
In-Reply-To: <d7555270-5be3-a104-233c-ac0e6383f41b-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>

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On Thu, Dec 21, 2017 at 02:29:14PM +0100, Maciej Purski wrote:

> Now I can understand your point, but I still have doubts what is the
> advantage of that solution. For non-coupled regulators we end up with
> useless data structure - coupling_desc. That also might cause some
> confusion. We expect coupled regulators to be a very rare case, so in most
> of the cases we will have a pointless structure in reg_dev with a pointer to
> itself. Maybe you suggest that coupling_desc should contain something
> different?

It's precisely because it's such an unusual case that I'm looking to see
it as part of the common path - if it's not then it seems very liklely
that it'll get broken down the line and nobody will notice because the
code is never run.  Yes, it's unusual but having the unusual thing be a
bit more visible than it is used seems better than having support there
that gets broken.

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      parent reply	other threads:[~2017-12-21 13:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20171207094720eucas1p1eb1c8c2d0e222082ce6918807c4ad492@eucas1p1.samsung.com>
2017-12-07  9:46 ` [PATCH v3 0/4] Add coupled regulators mechanism Maciej Purski
     [not found]   ` <CGME20171207094751eucas1p1c10de599329e2c7ece77c8a5ed939401@eucas1p1.samsung.com>
2017-12-07  9:46     ` [PATCH v3 1/4] regulator: core: Move of_find_regulator_by_node() to of_regulator.c Maciej Purski
2018-01-26 17:35       ` Applied "regulator: core: Move of_find_regulator_by_node() to of_regulator.c" to the regulator tree Mark Brown
     [not found]   ` <CGME20171207094753eucas1p27b835787f92a1da8c46b9a2692376288@eucas1p2.samsung.com>
2017-12-07  9:46     ` [PATCH v3 3/4] regulator: core: Parse coupled regulators properties Maciej Purski
     [not found]       ` <1512639975-22241-4-git-send-email-m.purski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2017-12-12 11:35         ` Mark Brown
2017-12-21 10:08           ` Maciej Purski
     [not found]             ` <4866dd1c-e9bb-24e4-9b4a-294d01edde78-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2017-12-21 12:02               ` Mark Brown
     [not found]   ` <CGME20171207094752eucas1p2ca38d1197d8057cb92b33a81a9942915@eucas1p2.samsung.com>
     [not found]     ` <1512639975-22241-1-git-send-email-m.purski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2017-12-07  9:46       ` [PATCH v3 2/4] regulator: bindings: Add properties for coupled regulators Maciej Purski
2017-12-07 23:30         ` Rob Herring
2018-03-02 12:55         ` Applied "regulator: bindings: Add properties for coupled regulators" to the regulator tree Mark Brown
2017-12-07  9:46       ` [PATCH v3 4/4] regulator: core: Balance coupled regulators voltages Maciej Purski
     [not found]         ` <1512639975-22241-5-git-send-email-m.purski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2017-12-12 11:54           ` Mark Brown
2017-12-13  9:25             ` Maciej Purski
2017-12-15 15:19               ` Mark Brown
2017-12-21 13:29                 ` Maciej Purski
     [not found]                   ` <d7555270-5be3-a104-233c-ac0e6383f41b-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2017-12-21 13:34                     ` Mark Brown [this message]

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