linux-kernel - RE: [PATCH RFC alternative ver 1] phy: Exynos 421x USB 2.0 PHY support

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Message-id: <04db01cf0c99$00f79970$02e6cc50$%debski@samsung.com>
Date:	Wed, 08 Jan 2014 18:42:27 +0100
From:	Kamil Debski <k.debski@...sung.com>
To:	'Kishon Vijay Abraham I' <kishon@...com>
Cc:	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
	kyungmin.park@...sung.com, Tomasz Figa <t.figa@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	gautam.vivek@...sung.com, mat.krawczuk@...il.com,
	yulgon.kim@...sung.com, p.paneri@...sung.com,
	av.tikhomirov@...sung.com, jg1.han@...sung.com,
	galak@...eaurora.org, matt.porter@...aro.org,
	tjakobi@...h.uni-bielefeld.de, stern@...land.harvard.edu
Subject: RE: [PATCH RFC alternative ver 1] phy: Exynos 421x USB 2.0 PHY support

Hi Kishon,

Thank you for your review.

> From: Kishon Vijay Abraham I [mailto:kishon@...com]
> Sent: Monday, January 06, 2014 11:24 AM
> 
> Hi,
> 
> On Friday 20 December 2013 06:54 PM, Kamil Debski wrote:
> > This the alternative version of the support for Exynos 421x USB 2.0
> > PHY in the Generic PHY framework. In this version the support for
> > Exynos
> > 4210 and 4212 was joined into one file.
> >
> > Signed-off-by: Kamil Debski <k.debski@...sung.com>
> > ---
> > Hi,
> >
> > Me and Kishon were discussing for quite a long time the way how
> Exynos
> > 4 should be handled. I have decided to post the original patches and
> > try to make an alternative version with support for Exynos 4210 and
> > 4212 joined in one file. I have prepared two versions. The first one
> > has 506 lines (vs
> > 563 when two files are used). When doing the second version I was a
> > little more aggresive in removing code. This was done at a cost of
> > adding if's deciding which SoC version the driver is dealing with in
> some internal functions.
> > This resulted in a better number of removed lines - the second
> version
> > has only 452 lines (vs 563 original and 506 version 1).
> 
> Alright.. If the alternate approach doesn't give too much of advantage,
> lets stick with the original one. I would recommend creating a
> documentation (Documentation/phy/?) for the samsung PHY since that
> actually creates a layer on top of generic PHY framework. That would
> help while adding new samsung PHY drivers.

Ok, I will prepare an updated set of patches with the documentation
added. Also I will fix other issues you pointed out in reply to other
patches from this series.

> 
> Btw thank you for preparing alternate versions for your original
> patches.

No problem :)

Best wishes,
-- 
Kamil Debski
Samsung R&D Institute Poland

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