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SubjectRe: [PATCH 1/1] mfd: Fix runtime warning caused by duplicate device registration
On 05/07/12 14:03, Mark Brown wrote:
> On Thu, Jul 05, 2012 at 01:55:50PM +0100, Lee Jones wrote:
>> On 05/07/12 13:45, Mark Brown wrote:
>>> Right, so what I'm saying is that what I'd expect unless there's
>>> something unusual going on is that you wouldn't be doing the separate
>>> registration of the AB8500 here and would instead be passing the
>>> platform data for the AB8500 through in the same way you pass the DT
>>> data through.
>> Then were would you register it, if not here?
> Same place as for DT.

That is a possibility, but the idea is to reduce code in the platform
area, not add to it. We'd also need a completely separate platform_data
structure to the one we use for platform registration, as much of it has
now been moved into Device Tree. The regulators are a good example of
this, but there's also GPIO information which is no longer relevant etc.

I do believe that registering the AB8500 from the DB8500 is appropriate
though, for the simple reason that the AB8500 is a sub-device to the
DB8500. I think this is the correct thing to do. But anyway, as I said
before, that ship has sailed. We _already_ do this. All this patch does
is prevent the AB8500 from being registered twice when DT is not enabled.

Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515 │ Open source software for ARM SoCs
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