Re: [PATCH 2/2 v3] net/smsc911x: Add regulator support

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On Thu, Oct 27, 2011 at 17:46, Mark Brown wrote:
> On Thu, Oct 27, 2011 at 03:21:47PM +0200, Mike Frysinger wrote:
>> my gut reaction: smsc911x is working just fine without regulator
>> support for many people, so why do we suddenly need to make it a
>> requirement ?  this is a fairly small amount of code, so adding a
>> smsc911x Kconfig symbol to control the regulator support seems like
>> overkill.  only other option would be to change the patch to not make
>> missing regulators non-fatal.  so i'd probably lean towards the latter
>> (and it sounds like you changed this with earlier versions).
>
> The regulator API contains a series of generic facilities for stubbing
> itself out when not in use - there's no need for individual drivers to
> worry about this stuff, they should just rely on the framework.  The
> main one at the minute is REGULATOR_DUMMY which does what you suggest
> and makes regulator_get() never fail.

i saw that !CONFIG_REGULATOR works great.  my concern is that these
boards don't define any regulators for smsc resources, so if
CONFIG_REGULATOR is enabled to test out unrelated daughter cards, i
don't want the network driver suddenly failing.  Linus' comments
suggest that this is what would happen unless each board file has its
smsc platform resources extended.  maybe i misunderstood what he was saying ?
-mike
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