linux-kernel - Re: [PATCH/RFC v6 05/36] leds: Improve setting brightness in a non sleeping way

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Message-ID: <20150820160938.GF27457@lunn.ch>
Date:	Thu, 20 Aug 2015 18:09:38 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Pavel Machek <pavel@....cz>,
	Stas Sergeev <stsp@...rs.sourceforge.net>
Subject: Re: [PATCH/RFC v6 05/36] leds: Improve setting brightness in a non
 sleeping way

On Thu, Aug 20, 2015 at 04:43:35PM +0200, Jacek Anaszewski wrote:
> This patch replaces led_set_brightness_async with
> led_set_brightness_nosleep in all places where the most vital was setting
> brightness in a non sleeping way but not necessarily asynchronously, which
> is not needed for non-blocking drivers.

O.K, so i've lost the plot. _sync, _asymc, _nosleep, etc. Too many
changes without a clearly documented vision of what you are trying to
achieve.

How about splitting this up into at least two patch sets.

1) Add the brightness_set_blocking op and the minimum of changes
needed to the core to make it work, and the driver changes taking out
the work queue.

2) A set of patches cleaning up the core and its API. We want a well
documented linux/leds.h and drivers/led/leds.h defining the APIs which
users and triggers should be using.

      Andrew
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