netdev - Re: [PATCH v3 1/2] pm: runtime: Simplify pm_runtime_get_if

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Message-ID: <ZbPqmA4GkunkJqb0@kekkonen.localdomain>
Date: Fri, 26 Jan 2024 17:23:36 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Alex Elder <elder@...e.org>
Cc: linux-pm@...r.kernel.org, "Rafael J. Wysocki" <rafael@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	laurent.pinchart@...asonboard.com,
	Jacek Lawrynowicz <jacek.lawrynowicz@...ux.intel.com>,
	Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>,
	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>,
	Lucas De Marchi <lucas.demarchi@...el.com>,
	Thomas Hellström <thomas.hellstrom@...ux.intel.com>,
	Paul Elder <paul.elder@...asonboard.com>,
	Alex Elder <elder@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Mark Brown <broonie@...nel.org>, dri-devel@...ts.freedesktop.org,
	intel-gfx@...ts.freedesktop.org, intel-xe@...ts.freedesktop.org,
	linux-media@...r.kernel.org, netdev@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-sound@...r.kernel.org
Subject: Re: [PATCH v3 1/2] pm: runtime: Simplify pm_runtime_get_if_active()
 usage

Hi Alex,

On Fri, Jan 26, 2024 at 09:12:02AM -0600, Alex Elder wrote:
> On 1/22/24 5:41 AM, Sakari Ailus wrote:
> > There are two ways to opportunistically increment a device's runtime PM
> > usage count, calling either pm_runtime_get_if_active() or
> > pm_runtime_get_if_in_use(). The former has an argument to tell whether to
> > ignore the usage count or not, and the latter simply calls the former with
> > ign_usage_count set to false. The other users that want to ignore the
> > usage_count will have to explitly set that argument to true which is a bit
> > cumbersome.
> > 
> > To make this function more practical to use, remove the ign_usage_count
> > argument from the function. The main implementation is renamed as
> > pm_runtime_get_conditional().
> > 
> > Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
> > Reviewed-by: Alex Elder <elder@...aro.org> # drivers/net/ipa/ipa_smp2p.c
> 
> I actually intended my "Reviewed-by" to cover the entire patch.  I
> checked every caller and they all looked good to me.

Thanks, I'll drop the file name. AFAIR it was just below that file, so I
added it, but I could be wrong, too.

v5 will also squash the 2nd patch of v4 into this one
<URL:https://lore.kernel.org/linux-pm/ZbBAWROxRKE8Y8VU@kekkonen.localdomain/T/#m76d34e679e12d8536a20eb29af6e826e2a85a24b>,
I hope that's fine.

-- 
Kind regards,

Sakari Ailus