linux-kernel - Re: [PATCH 0/4] ARM: ep93xx: ts72xx: Add support for BK3 board

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Message-ID: <20171120154419.16ec57ca@jawa>
Date:   Mon, 20 Nov 2017 15:44:19 +0100
From:   Lukasz Majewski <lukma@...x.de>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Russell King <linux@...linux.org.uk>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Olof Johansson <olof@...om.net>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 0/4] ARM: ep93xx: ts72xx: Add support for BK3 board

Hi Arnd,

> On Mon, Nov 20, 2017 at 12:23 AM, Lukasz Majewski <lukma@...x.de>
> wrote:
> > Hi Alexander,
> >  
> >> Hello Lukasz!
> >>
> >> On 17/11/17 00:22, Lukasz Majewski wrote:  
> >> > This patch series adds support for Liebherr's BK3 board, being
> >> > a derivative of TS72XX design.
> >> >
> >> > This patchset consists of following patches:
> >> >
> >> > - ts72xx.[c|h] cosmetic cleanup/improvement
> >> > - Move the common code for ts72xx and BK3 to ts72xx-common.c -
> >> > this code can be reused by other designs build around ts72xx
> >> > - The Liebherr's BK3 board has been added with re-using code of
> >> >   ts72xx.c
> >> >
> >> > Lukasz Majewski (4):
> >> >   ARM: ep93xx: ts72xx: Use DEFINE_RES_MEM macros where
> >> > applicable  
> >>
> >> The patch 3/4 deletes everything added by patch 1/4, so I don't
> >> really see the point of it.  
> >
> > I wanted to first clean up things.  
> 
> Cleaning it up first is the right approach, a patch that moves code
> around should not contain any other changes.
> 
> >> >   ARM: ep93xx: ts72xx: Provide include guards for ts72xx.h file
> >> >   ARM: ep93xx: ts72xx: Exclude reusable part of the ts72xx board
> >> >   ARM: ep93xx: ts72xx: Add support for BK3 board - ts72xx
> >> > derivative  
> >>
> >> I tend to agree with Hartley, if you'd just add all BK3-related
> >> extras to ts72xx.c it would be less than 60 LoCs, you probably even
> >> do not need new Kconfig options.  
> >
> > Some Kconfig option would be welcome (MACH_BK3 ?) if it turns out
> > that I do need to adjust some things later (like change HAMMING
> > NAND ECC to BCH for plat_nand driver).
> >
> > The separate bk3.c file is more appealing (for me) in terms of
> > extending the code latter.  
> 
> I think keeping everything in one file, but adding a new Kconfig
> option that uses 'select MACH_TS72XX' to enable the existing board
> would be simpler, we can split it out later once we think it gets too
> big.

Ok. Thanks for the suggestion. I will prepare v2.

> 
>       Arnd



Best regards,

Lukasz Majewski

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