[PATCH 04/20] regmap: Do not skip format initialization

[Mark Brown]

On Wed, Aug 12, 2015 at 12:12:29PM +0200, Markus Pargmann wrote:

> It is not obvious why format initialization is skipped here. format
> functions are used for example in regmap_bulk_read even if bus is not
> set. So they are used even if skipped here which leads to null pointer
> errors.

> This patch adds format initialization for !bus and !bus->read/write.

Format initialisation is skipped because it is not clear what the wire
format actually is if we're not using the regmap internal marshalling.
Someone needs to do a survey of what the existing users are trying to do
before changing anything here.
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