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From: Mark Brown <broonie@kernel.org>
To: Sakari Ailus <sakari.ailus@iki.fi>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>,
	linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org,
	cooloney@gmail.com, rpurdie@rpsys.net,
	stsp@users.sourceforge.net, pavel@ucw.cz,
	sakari.ailus@linux.intel.com, andreas.werner@men.de,
	andrew@lunn.ch, ospite@studenti.unina.it, anemo@mba.ocn.ne.jp,
	ben@simtec.co.uk, bootc@bootc.net, dmurphy@ti.com,
	daniel.jeong@ti.com, daniel@zonque.org, davem@davemloft.net,
	fabio.baltieri@gmail.com, balbi@ti.com, florian@openwrt.org,
	gshark.jeong@gmail.com, g.liakhovetski@gmx.de,
	ingi2.kim@samsung.com, dl9pf@gmx.de, johan@kernel.org,
	lenz@cs.wisc.edu, jogo@openwrt.org, q1.kim@samsung.com,
	kris@krisk.org, kristoffer.ericson@gmail.com,
	linus.walleij@linaro.org, michael.hennerich@analog.com,
	milo.kim@ti.com, nm127@freemail.hu, ncase@xes-inc.com,
	neilb@suse.de, nick.forbes@incepta.com, lost.distance@yahoo.com,
	p.meerwald@bct-electronic.com, n0-1@freewrt.org,
	philippe.retornaz@epfl.ch, raph@8d.com, rpurdie@openedhand.com,
	rod@whitby.id.au, dave@sr71.net, giometti@linux.it,
	bigeasy@linutronix.de, shuahkhan@gmail.com, sguinot@lacie.com
Subject: Re: [PATCH/RFC v2 1/5] leds: Use set_brightness_work for brightness_set ops that can sleep
Date: Wed, 1 Jul 2015 10:42:58 +0100	[thread overview]
Message-ID: <20150701094258.GS11162@sirena.org.uk> (raw)
In-Reply-To: <20150630222450.GR5904@valkosipuli.retiisi.org.uk>

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On Wed, Jul 01, 2015 at 01:24:50AM +0300, Sakari Ailus wrote:

> The documentation should be improved to tell how the API is expected to be
> have, e.g. which functions may block. I think this is out of scope for this
> patch though.

> I think all the existing drivers that implement the set_brightness()
> callback have a fast (and non-blocking) implementation, and some of these

Yes, they need to be since triggers can happen in any context.

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  reply	other threads:[~2015-07-01  9:46 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-30 13:59 [PATCH/RFC v2 1/5] leds: Use set_brightness_work for brightness_set ops that can sleep Jacek Anaszewski
2015-06-30 13:59 ` [PATCH/RFC v2 2/5] leds: pwm: remove work queue Jacek Anaszewski
2015-06-30 13:59 ` [PATCH/RFC v2 3/5] led: flash: remove check for brightness_set_sync op Jacek Anaszewski
2015-06-30 13:59 ` [PATCH/RFC v2 4/5] leds: max77693: remove work queue Jacek Anaszewski
2015-06-30 13:59 ` [PATCH/RFC v2 5/5] leds: aat1290: " Jacek Anaszewski
2015-06-30 18:30 ` [PATCH/RFC v2 1/5] leds: Use set_brightness_work for brightness_set ops that can sleep Pavel Machek
2015-06-30 22:24 ` Sakari Ailus
2015-07-01  9:42   ` Mark Brown [this message]
2015-07-01  9:52   ` Jacek Anaszewski
2015-07-01 12:01     ` Jacek Anaszewski
2015-07-01 21:44       ` Sakari Ailus
2015-07-03 13:16         ` Jacek Anaszewski
2015-07-01 21:36     ` Sakari Ailus
2015-07-01 22:56       ` Andrew Lunn
2015-07-03 13:16       ` Jacek Anaszewski

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