Re: [PATCH v4 1/3] dt-bindings: dma: fsl-edma: add dma-channel-mask property description

From: Frank Li

Date: Fri Jun 05 2026 - 11:46:41 EST


On Fri, Jun 05, 2026 at 03:44:23AM -0700, Laurentiu Mihalcea wrote:
>
>
> On 2/11/2026 1:28 AM, Joy Zou wrote:
> > Add documentation for the dma-channel-mask property in the fsl-edma
> > binding. This property uses an inverted bit definition: bit value 0
> > indicates the channel is available, while bit value 1 indicates
> > unavailable.
> >
> > That was already used widely for i.MX8, i.MX9. Correcting the definition
> > will break backward compatibility. This reversal only impacts the eDMA
> > dts node and driver, and doesn't impact DMA consumer. Therefore,
> > keep the inverted definition.
> >
> > Also add a note at the top of the binding to highlight this inverted
> > definition to prevent confusion.
> >
> > Signed-off-by: Joy Zou <joy.zou@xxxxxxx>
> Hi,
>
> I believe this patch hasn't been picked up yet even though it's been ACK'd by one of the
> DT binding maintainers.
>
> Frank Li, can you please take it into your tree?

I ping vnod in irc yesterday, let wait for few days, if he don't pick, I
will pick it.

Frank
>
>
> Thanks,
> Laurentiu