Re: [RFC 01/14] SoundWire: Add SoundWire bus driver documentation
From: Vinod Koul
Date: Wed Nov 16 2016 - 23:56:32 EST
On Wed, Nov 16, 2016 at 05:59:29PM +0000, Mark Brown wrote:
> On Tue, Nov 15, 2016 at 07:59:14PM +0530, Vinod Koul wrote:
> > On Mon, Nov 14, 2016 at 02:15:48PM +0000, Charles Keepax wrote:
> > > slaves register to that. This also has the nice property that its
> > > easy to create devices that sit behind other buses, for example
> > > here we might want a SoundWire master that sits behind a SPI bus.
> > > But you seem to have gone in the other direction and have the
> > > master sitting on the same bus as the slaves.
> > Since the controller on our SoC was enumerable, people went with this
> > approach. In this hindsight that may not have been the best choice.
> Doing buses properly isn't an obstacle to doing enumeration, indeed I'd
> expect it to make it a lot easier - just have your driver for your
> controller do the enumeration at probe time.
Yes it is not :) This is somthing we are fixing now..