Re: [PATCHv2 2/5] regulator: omap smps regulator driver

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On Wed, Jul 13, 2011 at 06:53:45PM +0300, Tero Kristo wrote:
> On Wed, 2011-07-13 at 16:40 +0200, Mark Brown wrote:

> > I do strongly prefer the idiom of just registering all the regulators
> > even if they're read only.

> Number of available SMPS regulators is kind of board specific issue.
> OMAP3 has 2 available, OMAP4 has 3. If we are using some custom powering
> solution, we might have even different amounts for these.

Right, but the interface to them is always there?

> > No, this is bad.  We *always* pay attention to the constraints the user
> > set even if they're nuts or won't work, the machine driver has the final
> > say on what is or isn't allowed on a given board.  The mode setting is
> > especially suspect as there's no mode support in the driver.

> Just a clarification on this one that I have understood your comment
> right... Do you mean that I should be checking the constraints user sets
> more thoroughly to see if there is something bogus? I was looking at
> some of the other regulator drivers and they seem to be fiddling with
> the constraints in similar manner.

No!  You should *always* use the constraints the user has set, don't
randomly add new permissions without them doing so.
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