Re: [PATCH 1/2] serial: samsung: Move uart_register_driver call todevice probe
From: Alan Cox
Date: Thu Jan 23 2014 - 14:52:21 EST
On Thu, 23 Jan 2014 19:36:33 +0000
Mark Brown <broonie@xxxxxxxxxx> wrote:
> On Thu, Jan 23, 2014 at 07:47:56PM +0100, Tomasz Figa wrote:
> > On 23.01.2014 19:40, Mark Brown wrote:
> > >We'd need to leave it user selectable rather than enabling it for ARM,
> > >the whole reason this got noticed is that people are trying to build
> > >kernels that support a wider range of devices for ARM.
> > What about making it depend on !MULTIPLATFORM and enabled by default?
> That'd work, but if we're doing that then substituting in the dynamic
> assignment only when we hit a collision seems smoother and more general.
> Or we could just make the core ignore all hard coded numbers if this is
> set rather than putting ifdefs in the drivers.
That strikes me as rather more risky. We can propogate it through the
drivers as we are sure it is safe to do so on that platform and encourage
driver authors to migrate. Better than a "big bang" and the inevitable
We do want it user selectable, because we want people to leave it off
unless they have a need for it - that then becomes a path towards
eventually getting rid of them static identifiers for good.
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