From: Mark Brown <broonie@kernel.org>
To: Wei Ni <wni@nvidia.com>
Cc: "khali@linux-fr.org" <khali@linux-fr.org>,
"linux@roeck-us.net" <linux@roeck-us.net>,
"swarren@wwwdotorg.org" <swarren@wwwdotorg.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>,
Matthew Longnecker <MLongnecker@nvidia.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 1/3] hwmon: (lm90) Add power control
Date: Fri, 9 Aug 2013 11:56:44 +0100 [thread overview]
Message-ID: <20130809105644.GW6427@sirena.org.uk> (raw)
In-Reply-To: <520498F3.8030101@nvidia.com>
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On Fri, Aug 09, 2013 at 03:23:31PM +0800, Wei Ni wrote:
> On 08/08/2013 07:01 PM, Mark Brown wrote:
> > You shouldn't just be ignoring errors here, though there are deployment
> > difficulties with making sure a stub regulator is provided. These
> > should be getting easier after the next merge window, the stubs will be
> > being tweaked slightly to have an "assume it's there" option even when
> Oh, really, could you show me the patch, I wish to take a look :)
No patch quite yet - the basic idea is that for plain regulator_get()
you'll only ever get -EPROBE_DEFER as an error, not -ENODEV. If the
regulator is missing in the DT we assume it's there and provide a dummy
if the DT doesn't hook it up. If the consumer genuinely wants to see if
a supply might not be wired up it should use regulator_get_optional()
which is in -next at the minute.
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next prev parent reply other threads:[~2013-08-09 10:57 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 ` Proposal: I2C device power (Was: hwmon: (lm90) Add power control) Alexander Shiyan
2013-08-09 10:27 ` 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 [this message]
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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