linux-kernel - Re: [PATCH 1/3] arm64: dts: imx8mn: fix micfil dmas settings

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Message-ID: <CAEnQRZAoPxFN1ce0MEY34KpJO=SS4n33ehABH4auxWTDq8_R8g@mail.gmail.com>
Date: Tue, 25 Feb 2025 14:33:45 +0200
From: Daniel Baluta <daniel.baluta@...il.com>
To: Marco Felsch <m.felsch@...gutronix.de>
Cc: "robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org, Sascha Hauer" <s.hauer@...gutronix.de>, kernel@...gutronix.de, aford173@...il.com, 
	devicetree@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	Joy Zou <joy.zou@....com>
Subject: Re: [PATCH 1/3] arm64: dts: imx8mn: fix micfil dmas settings

On Tue, Feb 25, 2025 at 2:12 PM Marco Felsch <m.felsch@...gutronix.de> wrote:
>
> The third dma cell is used for priority information not to encode
> something else. The NXP downstream kernel use the third cell to encode
> more information:
>
>  - Bit31: sw_done feature enable/disable
>  - Bit15~Bit8: selector
>  - Bit7~Bit0: priority level
>
> but this was never mainlined. Therefore drop the further information and
> just specify the priority which is 0.
>
> FTR: The sw_done feature was mainlined without making use of the
> devicetree.
>
> Fixes: cca69ef6eba5 ("arm64: dts: imx8mn: Add support for micfil")
> Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>

For all series:

Reviewed-by: Daniel Baluta <daniel.baluta@....com>

Marco I couldn't find the cover letter for this series so I add my R-b tag here.