On Fri, Mar 1, 2024 at 5:55 AM Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> wrote: > > Since the addition of the driver in 2009, the driver selects between DMA > and polling mode depending on the transfer length - DMA mode for > transfers bigger than the FIFO depth, polling mode otherwise. All > versions of the IP support polling mode, make the dma properties not > required. > AFAIU, the device tree has nothing to do with drivers, it's about hardware description. Does making DMA properties not required here mean that there are some HW out there which doesn't integrate DMA in SPI blocks? Even if this change is ok (I'm not sure), the argumentation doesn't look sound to me. > Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/spi/samsung,spi.yaml | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml > index 2f0a0835ecfb..f681372da81f 100644 > --- a/Documentation/devicetree/bindings/spi/samsung,spi.yaml > +++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml > @@ -76,8 +76,6 @@ required: > - compatible > - clocks > - clock-names > - - dmas > - - dma-names > - interrupts > - reg > > -- > 2.44.0.278.ge034bb2e1d-goog >
