linux-kernel - Re: [PATCH 7/8] memory: mtk-smi: Rearrange some function position alphabetically

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Date:   Sat, 12 Aug 2017 17:36:08 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Robin Murphy <robin.murphy@....com>
CC:     Joerg Roedel <joro@...tes.org>, Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Will Deacon <will.deacon@....com>,
        Daniel Kurtz <djkurtz@...gle.com>,
        Tomasz Figa <tfiga@...gle.com>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <arnd@...db.de>,
        <honghui.zhang@...iatek.com>, <k.zhang@...iatek.com>,
        <cloud.chou@...iatek.com>,
        Arvind Yadav <arvind.yadav.cs@...il.com>,
        <youlin.pei@...iatek.com>
Subject: Re: [PATCH 7/8] memory: mtk-smi: Rearrange some function position
 alphabetically

On Fri, 2017-08-11 at 19:09 +0100, Robin Murphy wrote:
> On 11/08/17 10:56, Yong Wu wrote:
> > Only adjust some code position in Soc numerical order, from mt2701,
> > mt2712 to mt8173.
> > 
> > Besides, 3 minor changes:
> > 1) fix a coding style issue:
> >     CHECK: Alignment should match open parenthesis
> >     +               writel(reg_val,
> >     +                       common->smi_ao_base
> > 2) change from readl to readl_relaxed in gen1_config_port.
> > 3) change the type "larbid" from "int" to "unsigned int" to meet
> >    the requirement of of_property_read_u32.
> 
> If moving existing code around is really necessary, do it as a
> preliminary patch *before* any material changes (and arguably separate
> even from the whitespace and comment updates) - those diffs are usually
> hard to review as-is, so being able to check you get binary-identical
> object files before and after is reassuring. A "cleanup" patch shouldn't
> need to touch code added in the same series, and it certainly shouldn't
> have significant things like the readl_relaxed() change hidden in it.

OK. This patch is really not easy to read.

This patch-set is mainly for supporting MT2712 IOMMU. thus, I will use a
patch "readl_relaxed replace readl" instead of this one.

About the cleanup patch, I can send it in future if necessary.

> 
> Robin.
> 
> > Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> > ---
> >  drivers/memory/mtk-smi.c | 105 +++++++++++++++++++++++------------------------
> >  1 file changed, 52 insertions(+), 53 deletions(-)
> > 
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