linux-kernel - Re: [PATCH 4/4] ARM: pxa: avoid section mismatch warning

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Date:   Tue, 11 Dec 2018 11:44:07 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, arm-soc <arm@...nel.org>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Igor Grinberg <grinberg@...pulab.co.il>,
        Miquèl Raynal <miquel.raynal@...tlin.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 4/4] ARM: pxa: avoid section mismatch warning

On Tue, Dec 11, 2018 at 10:40 AM Ulf Hansson <ulf.hansson@...aro.org> wrote:
> On Mon, 10 Dec 2018 at 23:00, Arnd Bergmann <arnd@...db.de> wrote:
> >
> > WARNING: vmlinux.o(.text+0x19f90): Section mismatch in reference from the function littleton_init_lcd() to the function .init.text:pxa_set_fb_info()
> > The function littleton_init_lcd() references
> > the function __init pxa_set_fb_info().
> > This is often because littleton_init_lcd lacks a __init
> > annotation or the annotation of pxa_set_fb_info is wrong.
> >
> > WARNING: vmlinux.o(.text+0xf824): Section mismatch in reference from the function zeus_register_ohci() to the function .init.text:pxa_set_ohci_info()
> > The function zeus_register_ohci() references
> > the function __init pxa_set_ohci_info().
> > This is often because zeus_register_ohci lacks a __init
> > annotation or the annotation of pxa_set_ohci_info is wrong.
> >
> > WARNING: vmlinux.o(.text+0xf95c): Section mismatch in reference from the function cm_x300_init_u2d() to the function .init.text:pxa3xx_set_u2d_info()
> > The function cm_x300_init_u2d() references
> > the function __init pxa3xx_set_u2d_info().
> > This is often because cm_x300_init_u2d lacks a __init
> > annotation or the annotation of pxa3xx_set_u2d_info is wrong.
> >
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
>
> I have queued a bunch of pxa changes via my mmc tree for gpio
> descriptor conversions, by Linus Walleij.
>
> Are those causing this problem? Should I queue this one via mmc tree as well?

Nopes just correlation without causation...

I also made a bunch of patches to PXA through the regulator tree,
those are not related either.

It *seems* they touch so different code lines that it shouldn't
be a problem to merge orthogonally in ARM SoC.

Yours,
Linus Walleij