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From: Karol Lewandowski <k.lewandowsk@samsung.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Thomas Abraham <thomas.abraham@linaro.org>,
	linux-kernel@vger.kernel.org, rpurdie@rpsys.net,
	rob.herring@calxeda.com, grant.likely@secretlab.ca,
	kgene.kim@samsung.com, myungjoo.ham@samsung.com,
	kyungmin.park@samsung.com, dg77.kim@samsung.com,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, Rajendra Nayak <rnayak@ti.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>
Subject: Re: [PATCH v2 2/2] regulator: add device tree support for max8997
Date: Fri, 27 Jan 2012 10:58:08 +0100	[thread overview]
Message-ID: <4F227530.3050708@samsung.com> (raw)
In-Reply-To: <20120126161744.GB19703@opensource.wolfsonmicro.com>

>> On 25.01.2012 12:22, Mark Brown wrote:
>>> The big problem there seems like specifying voltages in the first
>>> place, if we know what device it is we should already know what's
>>> going on.
>
>> Driver which handles said regulator might know what's going on, but
>> that might not be case for its consumers.  Should we limit ability to
>> query given parameter just because its value is hardcoded in hardware?
>
> I'm sorry, this makes no sense.  Setting a value in the constraints is
> not going to have any impact on the value reported by the driver, it
> never has.

... with the exception of fixed regulator, that is. This is from where I 
got my flawed understanding.

Looking at other drivers I see that's indeed special case not practiced 
elsewhere.

Thanks for explaining this.

Regards,
-- 
Karol Lewandowski | Samsung Poland R&D Center | Linux/Platform

  reply	other threads:[~2012-01-27  9:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-12  7:35 [PATCH v2 0/2] Add device tree support for MAX8997 Thomas Abraham
2012-01-12  7:35 ` [PATCH v2 1/2] mfd: add irq domain support for max8997 interrupts Thomas Abraham
2012-01-12  7:35 ` [PATCH v2 2/2] regulator: add device tree support for max8997 Thomas Abraham
2012-01-12  9:49   ` MyungJoo Ham
2012-01-12 10:39     ` Thomas Abraham
2012-01-23 17:50   ` Karol Lewandowski
2012-01-23 18:20     ` Mark Brown
2012-01-23 19:21       ` Karol Lewandowski
2012-01-23 19:33         ` Mark Brown
2012-01-25  9:55   ` Karol Lewandowski
2012-01-25 11:26     ` Mark Brown
2012-01-25 12:02       ` Karol Lewandowski
2012-01-25 13:32         ` Mark Brown
2012-01-26 15:28           ` Karol Lewandowski
2012-01-26 16:17             ` Mark Brown
2012-01-27  9:58               ` Karol Lewandowski [this message]
2012-01-27 11:19                 ` Mark Brown

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