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SubjectRe: [PATCH 1/1] mfd: Fix runtime warning caused by duplicate device registration
Hi Sam,

On 03/07/12 12:59, Lee Jones 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'
> Reported-by: Linus Walleij <>
> Signed-off-by: Lee Jones <>

Are you planning on taking this in any time soon? I'd really like to fix
this bug for Linus in -next.

Kind regards,

Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515 │ Open source software for ARM SoCs
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