On Thu, Oct 26, 2017 at 06:08:38PM -0700, Trent Piepho wrote:

The driver will fail to load if no gpio chip selects are specified,
this patch changes this so that it no longer fails.

It's possible to use all native chip selects, in which case there is
no reason to have a gpio chip select array.  This is what happens if
the *optional* device tree property "cs-gpios" is omitted.

Do the native chip selects actually work usefully on this hardware?
There used to be problems with it wanting to do things like bounce the
chip select on every word which made it extremely difficult to use with
Linux.
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