From: Pavel Machek <pavel@denx.de>
To: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org,
Bryan Wu <cooloney@gmail.com>, Richard Purdie <rpurdie@rpsys.net>,
Stas Sergeev <stsp@users.sourceforge.net>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Andreas Werner <andreas.werner@men.de>,
Andrew Lunn <andrew@lunn.ch>,
Antonio Ospite <ospite@studenti.unina.it>,
Atsushi Nemoto <anemo@mba.ocn.ne.jp>,
Ben Dooks <ben@simtec.co.uk>, Chris Boot <bootc@bootc.net>,
Dan Murphy <dmurphy@ti.com>, Daniel Jeong <daniel.jeong@ti.com>,
Daniel Mack <daniel@zonque.org>,
"David S. Miller" <davem@davemloft.net>,
Fabio Baltieri <fabio.baltieri@gmail.com>,
Felipe Balbi <balbi@ti.com>,
Florian Fainelli <florian@openwrt.org>,
"G.Shark Jeong" <gshark.jeong@gmail.com>,
Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
Ingi Kim <ingi2.kim@samsung.com>,
Jan-Simon Moeller <dl9pf@gmx.de>, Johan Hovold <johan@kernel.org>,
John
Subject: Re: [PATCH/RFC RESEND] leds: Use set_brightness_work for brightness_set ops that can sleep
Date: Tue, 30 Jun 2015 13:58:09 +0200 [thread overview]
Message-ID: <20150630115809.GA13605@amd> (raw)
In-Reply-To: <1435651268-9657-1-git-send-email-j.anaszewski@samsung.com>
On Tue 2015-06-30 10:01:08, Jacek Anaszewski wrote:
> This patch rearranges the core LED subsystem code, so that it
> now removes from drivers the responsibility of using work queues
> internally in case their brightness_set ops can sleep.
> Addition of two flags: LED_BRIGHTNESS_FAST and LED_BLINK_DISABLE
> as well as new_brightness_value property to the struct led_classdev
> allows for employing existing set_brightness_work to do the job.
> The modifications allow also to get rid of brightness_set_sync op,
> as flash LED devices can now be handled properly only basing on the
> SET_BRIGHTNESS_SYNC flag.
Are you sure this is good idea?
You'll now use single callback for blocking and non-blocking
behaviour. I'm pretty sure stuff like lockdep will have some fun with
that.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2015-06-30 11:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-30 8:01 [PATCH/RFC RESEND] leds: Use set_brightness_work for brightness_set ops that can sleep Jacek Anaszewski
2015-06-30 8:27 ` Jacek Anaszewski
2015-06-30 11:41 ` Stas Sergeev
2015-06-30 12:41 ` Jacek Anaszewski
2015-06-30 12:55 ` Stas Sergeev
2015-06-30 11:58 ` Pavel Machek [this message]
2015-06-30 13:06 ` Jacek Anaszewski
2015-06-30 17:46 ` Pavel Machek
2015-07-01 7:28 ` Jacek Anaszewski
2015-07-01 7:43 ` Pavel Machek
2015-07-01 10:47 ` Jacek Anaszewski
2015-07-01 13:37 ` Pavel Machek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150630115809.GA13605@amd \
--to=pavel@denx.de \
--cc=andreas.werner@men.de \
--cc=andrew@lunn.ch \
--cc=anemo@mba.ocn.ne.jp \
--cc=balbi@ti.com \
--cc=ben@simtec.co.uk \
--cc=bootc@bootc.net \
--cc=cooloney@gmail.com \
--cc=daniel.jeong@ti.com \
--cc=daniel@zonque.org \
--cc=davem@davemloft.net \
--cc=dl9pf@gmx.de \
--cc=dmurphy@ti.com \
--cc=fabio.baltieri@gmail.com \
--cc=florian@openwrt.org \
--cc=g.liakhovetski@gmx.de \
--cc=gshark.jeong@gmail.com \
--cc=ingi2.kim@samsung.com \
--cc=j.anaszewski@samsung.com \
--cc=johan@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-leds@vger.kernel.org \
--cc=ospite@studenti.unina.it \
--cc=rpurdie@rpsys.net \
--cc=sakari.ailus@linux.intel.com \
--cc=stsp@users.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).