Re: [PATCH] dmaengine: Kconfig: Extend the dependency for MXS_DMA

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On Tue, Jun 06, 2017 at 07:30:23PM -0300, Fabio Estevam wrote:
> On Tue, Jun 6, 2017 at 7:22 PM, Stefan Agner <stefan@xxxxxxxx> wrote:
> 
> > Not sure, is really every ARCH_MXS/MXC supporting DMA?
> 
> All ARCH_MXS (mx23 and mx28) support MXS DMA.
> 
> Not every ARCH_MXC supports MXS DMA. For example
> mx27/25/31/35/50/51/53 do not have the mxs dma block.
> 
> > But then, is it a problem if we allow to enable a driver although not
> > available in a certain SoC?
> 
> I don't think it is a problem.

And if the SoC doesn't support, do you see an issue? The module should just
get init and keep quiet, it wont get probed.

> 
> Currently we do the same for the sdma driver.
> 
> IMX_SDMA also contains 'depends on ARCH_MXC' even though not all
> ARCH_MXC has the the SDMA engine. mx27, for example does not have it,
> so this proposal seems safe.

-- 
~Vinod
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