linux-kernel - RE: [PATCH v3 1/3] phy: Add new Exynos USB PHY driver

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Date:	Wed, 6 Nov 2013 13:03:45 -0000
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Tomasz Figa" <t.figa@...sung.com>,
	"Kishon Vijay Abraham I" <kishon@...com>
Cc:	"Kamil Debski" <k.debski@...sung.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-samsung-soc@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm@...r.kernel.org>,
	<kyungmin.park@...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>
Subject: RE: [PATCH v3 1/3] phy: Add new Exynos USB PHY driver

> > I just did a diff of registers in exynos 4210 and 4212 PHY drivers [1]
> > and couldn't find that big a difference in register layout. Of course
> > there are a few changes in HSIC bit fields and PHYFSEL but that's only
> > minimal and could well be handled in a single driver.
> >
> > [1] -> http://diffchecker.com/py3tp68m
> 
> This is quite a lot of differences, especially including shifted
> bitfields... In addition there is another set of available PHYs
> and inter-dependencies between them.

Might be worth feeding both files through "sed -e 's/_421[02]_/_421x_/'"
prior to doing the diff.
And maybe changing the order of some definitions so they match.
Then the actual differences will be more obvious.

	David



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