RE: [PATCH v2 0/6] spi: Add Renesas SPIBSC controller

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On Thu, Dec 12, 2019, Mark Brown wrote:
> Oh, this is a new driver for the same hardware as the RPC driver :(

Correct. More or less.
Of the 3 devices (RZ/A1, RZ/A2, R-Car), RZ/A1 only supported SPI.
RZ/A2 and R-Car now support SPI and HyperFlash.

But in my laziness, I never upstreamed the RZ/A1 driver 2 year ago...so here we are :)

> I don't really know enough about the device and there was *huge* amounts
> of discussion which I'd have to try to page in so it'd be really good if
> there were some agreement among those of you working with this device as
> to what the best way forwards is.  I'm not sure any of the issues were
> at the framework level so that's probably more sensible anyway.

I'm trying to figure out if the differences are 'technical' or
'ideological' (ie, R-Car use cases vs RZ use cases).
Of course we can do anything we want in our vendor BSPs, but I'd like
to see a common upstream path.

Chris





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