Subject: Re: [PATCH v1 01/12] powerpc/pseries: CMM: Implement release() function for sysfs device

From: Michael Ellerman <[email-masked]>
Date: Thu, 14 Nov 2019 20:08:16 +1100 (AEDT)

On Thu, 2019-10-31 at 14:29:22 UTC, David Hildenbrand wrote:
> When unloading the module, one gets
> [  548.188594] ------------[ cut here ]------------
> [  548.188596] Device 'cmm0' does not have a release() function, it is brok=
> en and must be fixed. See Documentation/kobject.txt.
> [  548.188622] WARNING: CPU: 0 PID: 19308 at drivers/base/core.c:1244 .devi=
> ce_release+0xcc/0xf0
> ...
> 
> We only have on static fake device. There is nothing to do when
> releasing the device (via cmm_exit).
> 
> Cc: Benjamin Herrenschmidt <[email-masked]>
> Cc: Paul Mackerras <[email-masked]>
> Cc: Michael Ellerman <[email-masked]>
> Cc: Andrew Morton <[email-masked]>
> Cc: Vlastimil Babka <[email-masked]>
> Cc: Konstantin Khlebnikov <[email-masked]>
> Cc: Allison Randal <[email-masked]>
> Cc: Greg Kroah-Hartman <[email-masked]>
> Cc: Thomas Gleixner <[email-masked]>
> Cc: Arun KS <[email-masked]>
> Signed-off-by: David Hildenbrand <[email-masked]>

Patches 1-10 applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/7d8212747435c534c8d564fbef4541a463c976ff

cheers