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From: "Alexander Shiyan" <shc_work@mail.ru>
To: "Guenter Roeck" <linux@roeck-us.net>
Cc: "Mark Brown" <broonie@kernel.org>, "Wei Ni" <wni@nvidia.com>,
	swarren@wwwdotorg.org, linux-kernel@vger.kernel.org,
	lm-sensors@lm-sensors.org, khali@linux-fr.org,
	MLongnecker@nvidia.com, linux-tegra@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Proposal: I2C device power (Was: hwmon: (lm90) Add power control)
Date: Fri, 09 Aug 2013 09:57:00 +0400	[thread overview]
Message-ID: <1376027820.695103970@f416.i.mail.ru> (raw)
In-Reply-To: <52040DE2.50201@roeck-us.net>

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Hi all.

Instead of adding the support of regulators in each device, let's think about
whether it is possible to create a global regulator for any device on the I2C bus.

I see it like this:
We add an extra field in the i2c_board_info structure "power_name" and handle
it in the i2c_device_{probe/remove} functions.

The question remains how to maintain such regulator in the PM functions,
but we can discuss it.

Changes like this, will remove existing regulators from drivers and allows to
use power regulator for any I2C device.
If such idea is good, such changes could be made to other devices (SPI, w1, etc.).
Thanks.

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  reply	other threads:[~2013-08-09  5:57 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-08  6:56 [PATCH v2 0/3] Add power control for lm90 Wei Ni
2013-08-08  6:56 ` [PATCH v2 1/3] hwmon: (lm90) Add power control Wei Ni
2013-08-08  7:13   ` Alexander Shiyan
2013-08-08  9:26     ` Wei Ni
2013-08-08  8:42   ` Guenter Roeck
2013-08-08  9:47     ` Wei Ni
2013-08-08  9:57       ` Alexander Shiyan
2013-08-08  9:59         ` Wei Ni
2013-08-08 10:07         ` Wei Ni
2013-08-08 11:23       ` Guenter Roeck
2013-08-08 17:33         ` Stephen Warren
2013-08-08 17:59           ` Guenter Roeck
2013-08-08 18:45             ` Stephen Warren
2013-08-08 17:30     ` Stephen Warren
2013-08-08 17:59       ` Guenter Roeck
2013-08-08 19:27       ` Mark Brown
2013-08-08 11:01   ` Mark Brown
2013-08-08 11:25     ` Guenter Roeck
2013-08-08 13:08       ` Mark Brown
2013-08-08 15:21         ` Guenter Roeck
2013-08-08 17:15           ` Mark Brown
2013-08-08 20:00             ` Guenter Roeck
2013-08-08 21:18               ` Mark Brown
2013-08-08 21:30                 ` Guenter Roeck
2013-08-09  5:57                   ` Alexander Shiyan [this message]
2013-08-09 10:27                     ` Proposal: I2C device power (Was: hwmon: (lm90) Add power control) Mark Brown
2013-08-09 10:50                       ` Alexander Shiyan
2013-08-09 11:09                         ` Mark Brown
2013-08-09  7:23     ` [PATCH v2 1/3] hwmon: (lm90) Add power control Wei Ni
2013-08-09 10:56       ` Mark Brown
2013-08-08  6:56 ` [PATCH v2 2/3] ARM: dt: t114 dalmore: add dt entry for nct1008 Wei Ni
2013-08-08 17:35   ` Stephen Warren
2013-08-09  6:06     ` Wei Ni
2013-08-08 20:36   ` Sergei Shtylyov
2013-08-08 20:40     ` Stephen Warren
2013-08-08 21:33       ` Guenter Roeck
2013-08-09  6:16         ` Wei Ni
2013-08-08  6:56 ` [PATCH v2 3/3] Documentation: dt: hwmon: add OF document for lm90 Wei Ni
2013-08-08 17:37   ` Stephen Warren
2013-08-09  6:10     ` Wei Ni
2013-08-09 16:35       ` Stephen Warren

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