On Mon, Aug 20, 2012 at 01:55:32PM +0100, Lee Jones wrote:

Right, that was the initial intention. It would be a trivial semantic
change if drivers without DT support wished to use the functionality
though. However, the only examples I found of a non-DT enabled driver
that could make good use of it in order to strip out some cruft would
be the Arizona and one of the Samsung drivers, and they each have

All of the regmap devices could use this.

their own hand-rolled methods of hwirq -> virq conversion now, so any
change to support them would result in multiple invocations of
irq_create_mapping which would likely cause breakage.

Multiple calls to irq_create_mapping() are totally fine.
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