linux-kernel - Re: [PATCH v2 2/3] mfd: sec-core: Add of

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Message-ID: <20140313130950.GB10356@lee--X1>
Date:	Thu, 13 Mar 2014 13:09:50 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Tomasz Figa <t.figa@...sung.com>,
	Mike Turquette <mturquette@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	Sangbeom Kim <sbkim73@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	Tushar Behera <tushar.behera@...aro.org>,
	Yadwinder Singh Brar <yadi.brar@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v2 2/3] mfd: sec-core: Add of_compatible strings for MFD
 cells

<snip>

> > >> Are these compatible strings documented anywhere?
> > >
> > > The "-clk" compatible strings are (in next patch). The "-rtc" and
> > > "-regulators" are not.
> > 
> > Hmm, this doesn't sound good.
> > 
> > > Actually they aren't also used by child driver (each child driver parses
> > > from parent of_node).
> > 
> > Do you need to add compatible strings to mfd_cell entries of such cells 
> > then?
> 
> From my point of view there isn't any special need for them (except for
> clk).
> 
> Dear Lee,
> 
> Do you wish to have these compatibles for all of child drivers even when
> they aren't used directly by them? If yes then probably I should
> document them.

It's your call, either remove the unused ones or document them all.

I don't really mind either way. In the previous version I asked if
there was any reason why you weren't applying compatible strings to
the other cells; "subordinate drivers don't use them" is a perfectly
reasonable reason.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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