On Wed, Jan 24, 2024 at 02:41:03PM +0100, Jonas Gorski wrote:

> For some reason we don't store neither the actual number of supported
> parallel chipselects in the controller, nor the amount of chipselects
> used by the spi device, so all loops always  need to iterate
> SPI_CS_CNT_MAX times and check for the chipselect numbers not being
> 0xff instead of limiting by the (possible to know) actual number of
> chip selects in use.

Yes, we really can do a lot better here if we keep a bit more data
around.
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