On Thu, Sep 13, 2018 at 09:26:48AM -0500, David Lechner wrote:
> On 09/13/2018 08:44 AM, Geert Uytterhoeven wrote:

> I suppose it might be best to modify the SPI core to say:

> 	if ((spi->mode & SPI_CS_WORD) && (!(ctlr->mode_bits & SPI_CS_WORD) ||
> 					  gpio_is_valid(spi->cs_gpio)) {

> instead of:

> 	if ((spi->mode & SPI_CS_WORD) && !(ctlr->mode_bits & SPI_CS_WORD)) {

> Then we could drop the error above.

Yes, that makes sense - the same thing is going to apply to any
controller with this support.