linux-kernel - Re: [PATCH] macintosh/therm_windtunnel: fix module unload.

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Message-Id: <172078879460.310795.17178596698046388308.b4-ty@ellerman.id.au>
Date: Fri, 12 Jul 2024 22:53:14 +1000
From: Michael Ellerman <patch-notifications@...erman.id.au>
To: linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, Nick Bowler <nbowler@...conx.ca>
Cc: Pawel Moll <pawel.moll@....com>
Subject: Re: [PATCH] macintosh/therm_windtunnel: fix module unload.

On Wed, 10 Jul 2024 23:54:17 -0400, Nick Bowler wrote:
> The of_device_unregister call in therm_windtunnel's module_exit procedure
> does not fully reverse the effects of of_platform_device_create in the
> module_init prodedure.  Once you unload this module, it is impossible
> to load it ever again since only the first of_platform_device_create
> call on the fan node succeeds.
> 
> This driver predates first git commit, and it turns out back then
> of_platform_device_create worked differently than it does today.
> So this is actually an old regression.
> 
> [...]

Applied to powerpc/next.

[1/1] macintosh/therm_windtunnel: fix module unload.
      https://git.kernel.org/powerpc/c/fd748e177194ebcbbaf98df75152a30e08230cc6

cheers