[PATCH 1/1] mfd: Fix runtime warning caused by duplicate device registration

Fabio Estevam festevam at gmail.com
Thu Jul 5 09:08:52 EDT 2012

Hi Lee,

On Tue, Jul 3, 2012 at 8:59 AM, Lee Jones <lee.jones at linaro.org> wrote:
> We register the ab8500 as an MFD device from db8500 code during Device Tree
> boot in order to solve some limitations of DT. However, when Device Tree is
> not enabled, we still want to allow platform code to register the ab8500 in
> the normal way. Here we force MFD device registration of the ab8500 only
> when booting with Device Tree enabled.
> Solves this issue:
> WARNING: at fs/sysfs/dir.c:526 sysfs_add_one+0x88/0xb0()
> sysfs: cannot create duplicate filename '/bus/platform/devices/ab8500-core.0'

Does the following patch fix your issue?


Fabio Estevam

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