Messages in this thread | | | Date | Wed, 24 Jan 2018 14:54:30 +0000 | From | Mark Brown <> | Subject | Re: [RFC] spi: add spi multiplexing functions for dt |
| |
On Wed, Jan 24, 2018 at 02:01:55PM +0000, Ben Whitten wrote: > On 23 January 2018 at 11:11, Mark Brown <broonie@kernel.org> wrote:
> > level. Things that have their own transfer function would be better off > > just being first order SPI controllers I think so that they get access > > to everything the framework offers and can correctly advertise > > capabilities and so on.
> This runs as a very simple fake SPI controller per bus that the mux is > controlling. Having this custom transfer message allowed me to pop > in the way my device exposes the downstream devices, through its > regmap.
Which like I say is a problem - if your device (which just sounds like a SPI controller) has different capabilities and constraints to the parent then client drivers won't see that. [unhandled content-type:application/pgp-signature] | |