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SubjectRe: [PATCH] HID: removing obsolete kone_abi_version sysfs attr for roccat kone
On Fri, 18 Jun 2010, Stefan Achatz wrote:

> The newest version of the accompanying userland tools cuts backward
> compatibility and uses libudev to find its devices superseding the
> quirky kone_abi_version sysfs attribute. Therefore it should be removed.

How backwards incompatible this change actually is?

What happens if you run old userspace tool (the one which looks for
kone_abi_version) on a kernel with this patch applied?

Thanks,

--
Jiri Kosina
SUSE Labs, Novell Inc.


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