Re: [PATCH v4 3/5] dmaengine: pxa: add pxa dmaengine driver

From: Paul Bolle
Date: Wed May 27 2015 - 02:55:33 EST


On Wed, 2015-05-27 at 08:15 +0200, Robert Jarzmik wrote:
> Paul Bolle <pebolle@xxxxxxxxxx> writes:
> > Was it actually intended for PXA_DMA to be tristate?
> It is designed to be a module, and in the "end" it will be a module.
>
> What is important to understand is the 3 phases which are going to happen :
> - phase 1 : state after this is merged
> pxa_dma must be builtin, for legacy support (see
> pxad_toggle_reserved_channel()).
> - phase 2 : slowly, all the pxa drivers are converted to dmaengine
> - phase 3 : after full conversion, the patch "add support for legacy
> transition" is reverted.
> There pxa_dma will become modular, and the tristate will appear.
>
> In conclusion, it cannot be a module yet, but it will in the future.

Thanks for this explanation. So I didn't miss a comment or some remark
in a commit explanation, did I?


Paul Bolle

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/