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

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Message-ID: <52CA845C.5080308@ti.com>
Date:	Mon, 6 Jan 2014 15:54:28 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Kamil Debski <k.debski@...sung.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>,
	<t.figa@...sung.com>, <s.nawrocki@...sung.com>,
	<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,

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.

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

Cheers
Kishon
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