linux-kernel - Re: [PATCH v5 1/4] pwm: rename pwm_apply_state() to pwm_apply

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Date:   Wed, 29 Nov 2023 09:08:52 +0000
From:   Sean Young <sean@...s.org>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     linux-media@...r.kernel.org, linux-pwm@...r.kernel.org,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Jonathan Corbet <corbet@....net>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Support Opensource <support.opensource@...semi.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        Mark Gross <markgross@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Helge Deller <deller@....de>,
        Jani Nikula <jani.nikula@...el.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-hwmon@...r.kernel.org,
        linux-input@...r.kernel.org, linux-leds@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH v5 1/4] pwm: rename pwm_apply_state() to
 pwm_apply_cansleep()

On Fri, Nov 24, 2023 at 02:31:18PM +0100, Thierry Reding wrote:
> On Sat, Nov 18, 2023 at 04:16:17PM +0000, Sean Young wrote:
> > In order to introduce a pwm api which can be used from atomic context,
> > we will need two functions for applying pwm changes:
> > 
> > 	int pwm_apply_cansleep(struct pwm *, struct pwm_state *);
> > 	int pwm_apply_atomic(struct pwm *, struct pwm_state *);
> > 
> > This commit just deals with renaming pwm_apply_state(), a following
> > commit will introduce the pwm_apply_atomic() function.
> 
> Sorry, I still don't agree with that _cansleep suffix. I think it's the
> wrong terminology. Just because something can sleep doesn't mean that it
> ever will. "Might sleep" is much more accurate because it says exactly
> what might happen and indicates what we're guarding against.

Sorry, I forgot about this in the last round. I've renamed it _might_sleep
in v6 which I'll post shortly.


Sean