linux-kernel - Re: section mismatch with a platform driver

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Message-ID: <20081013095018.GC29938@cs181140183.pp.htv.fi>
Date:	Mon, 13 Oct 2008 12:50:18 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Neshama Parhoti <pneshama@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: section mismatch with a platform driver

On Mon, Oct 13, 2008 at 11:28:23AM +0200, Neshama Parhoti wrote:
> Hi Adrian and thank you for the help!
> 
> On Mon, Oct 13, 2008 at 10:51 AM, Adrian Bunk <bunk@...nel.org> wrote:
> > On Mon, Oct 13, 2008 at 10:19:05AM +0200, Neshama Parhoti wrote:
> >> WARNING: vmlinux.o(.data+0x44bc4): Section mismatch: reference to
> >> .init.text:my_probe_func (between 'my_platform_struct' and
> >> 'debug_level_variable')
> >>
> >> If I understand correctly, it shouts about my probe function being
> >> referenced from the data section:
> >>
> >> static struct platform_driver my_platform_struct = {
> >>       .probe          = my_probe_func,
                                     ^^^^^

Ah, you had your example wrong and silently edited your quoted email.

> >>       .remove         = my_remove,
> >>       .suspend        = my_suspend,
> >>       .resume         = my_resume,
> >>       .driver         = {
> >>               .name = DRIVER_NAME,
> >>       },
> >> };
> >>
> > It complains about "my_probe_func", and that's not even in the code
> > you posted.
> 
> It happens even if I use an empty function like this:
> 
> static int __init my_probe_func(struct platform_device *pdev)
> {
> 	return 0;
> }
> 
> any idea what's the problem ?

The function has a wrong name.

> thanks again!
> pnesh

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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