[PATCH 0/8] pwm: Drop local locking in several drivers

Uwe Kleine-König u.kleine-koenig at baylibre.com
Tue Jul 1 00:57:57 PDT 2025


Hello,

On Tue, Jun 24, 2025 at 08:15:36PM +0200, Uwe Kleine-König wrote:
> some time ago the pwm core implemented additional locking to protect
> lowlevel driver callbacks against driver removal. A side effect is that
> .apply() and .get_state() are serialized. This allows to drop some
> locking that is now superfluous due to the core's locking.
> 
> I identified a few drivers that are affected; these are cleaned up
> accordingly here.

I applied these patches to
https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git pwm/for-next
now.

Best regards
Uwe
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