Re: [PATCH 2/4] Input: pmic8xxx-keypad - use regmap_field for register access

[Mark Brown]

On Wed, Oct 08, 2014 at 11:20:58AM -0700, Stephen Boyd wrote:
> On 10/08/2014 11:13 AM, Dmitry Torokhov wrote:

> >>>Oops. struct regmap_field is opaque. It seems that the allocation
> >>>is the only way that I could have instance of it.

> >>Maybe we can add an API to allocate an array of fields?

> >Maybe we could make the structure public instead? I do not see any
> >reason for allocating something separately that has exactly the same
> >lifetime as owning structure.

The lifetime may be different to that of the register map it references,
consider MFD function devices for example.  

> Srini/Mark, any reason why the regmap_field structure is opaque?

So you can't peer into it and rely on the contents.  I can see it being
useful to add a bulk allocator.

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