RE: [PATCH 1/2] spi: fsi: Reduce max transfer size to 8 bytes

From: Mark Brown

Sent: 20 July 2021 14:13

On Tue, Jul 20, 2021 at 01:04:38PM +0000, David Laight wrote:

quoted

Having said that, you might want a loop in the driver so that
application requests for longer transfers are implemented
with multiple hardware requests.

No, that's something that should be and indeed is done in the core -
this isn't the only hardware out there with some kind of restriction on
length.

Ah, ok, there is another loop before any 'users'.

quoted

I do also wonder why there is support in the main kernel sources
for hardware that doesn't actually exist.

We encourage vendors to get support for their devices upstream prior to
hardware availability so that users are able to run upstream when they
get access to hardware, this means users aren't forced to run out of
tree code needlessly and greatly eases deployment.

This one just seemed a bit premature.

	David

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