Re: [PATCH 1/2] dt-bindings: spi: fsl-lpspi: Option to allow stalling

From: Rob Herring
Date: Wed Sep 26 2018 - 10:26:23 EST


DT bindings should be sent to DT list.

On Tue, Sep 25, 2018 at 3:37 PM Hieu Tran Dang
<dangtranhieu2012@xxxxxxxxx> wrote:
>
> This patch add fsl,allow-stalling property documentation for fsl-lpspi
>
> Signed-off-by: Hieu Tran Dang <dangtranhieu2012@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
> index 4af132606b37..2b012b8cb05e 100644
> --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
> +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
> @@ -6,6 +6,8 @@ Required properties:
> - reg : address and length of the lpspi master registers
> - interrupts : lpspi interrupt
> - clocks : lpspi clock specifier
> +- fsl,allow-stall : allow stalling of transfers when the transmit FIFO is empty
> + or when the receive FIFO is full

This seems odd. That seems like what normal behavior should be.

Rob