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From: peter@korsgaard.com (Peter Korsgaard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A
Date: Wed, 20 Jan 2016 08:41:55 +0100	[thread overview]
Message-ID: <878u3kvgsc.fsf@dell.be.48ers.dk> (raw)
In-Reply-To: <B256D81BAE5131468A838E5D7A243641D63F6228@penmbx01> (Wenyou Yang's message of "Wed, 20 Jan 2016 07:37:36 +0000")

>>>>> "Yang," == Yang, Wenyou <Wenyou.Yang@atmel.com> writes:

Hi,

>> > The MFD sub device is registered as a platform device, the existing  > act8865
 >> driver is registered as an i2c_driver. How do they match? :)
 >> 
 >> > Could you point out which exiting driver for me to reference.  Thank you!
 >> 
 >> What I'm saying is that it isn't nice that we end up with both act8865-regulator.c
 >> and act8954-regulator.c doing 95% the same. This can either be fixed by:
 >> 
 >> - Adding act8865 support to your mfd driver (but only registering the
 >> regulator subdev for act8865) and changing the existing
 >> act8865-regulator driver to work as a mfd subdev (platform device)
 >> 
 >> - Extending the act8865-regulator driver to register as a platform
 >> driver in ADDITION to a i2c driver so it can be used with mfd. The
 >> driver already uses regmap so it should only be a matter of adding the
 >> pdev probe/remove functions.

 > After think twice, I think this will complicates the act8865-regulator driver.

I don't think it will add a lot of complication (E.G. basically just the
platform probe/remove functions), but Ok - I'll wait and see your
simplified driver.

-- 
Venlig hilsen,
Peter Korsgaard 

  reply	other threads:[~2016-01-20  7:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-12  8:17 [PATCH v2 0/2] regulator: act8945a: add regulator driver for the sub-device of ACT8945A MFD Wenyou Yang
2016-01-12  8:17 ` [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A Wenyou Yang
2016-01-13 14:22   ` Peter Korsgaard
2016-01-14  1:23     ` Yang, Wenyou
2016-01-14  6:19       ` Lee Jones
2016-01-14  7:27       ` Peter Korsgaard
2016-01-14  8:07         ` Yang, Wenyou
2016-01-14 11:43           ` Peter Korsgaard
2016-01-14 12:46             ` Yang, Wenyou
2016-01-20  7:37             ` Yang, Wenyou
2016-01-20  7:41               ` Peter Korsgaard [this message]
2016-01-12  8:17 ` [PATCH v2 2/2] regulator: add documentation for ACT8945A's regulator DT bindings Wenyou Yang

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