Re: [PATCH 2/2] arm64: dts: imx8: Fix lpuart DMA channel order

From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Frank Li <Frank.li@nxp.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] arm64: dts: imx8: Fix lpuart DMA channel order
Date: Tue, 06 Feb 2024 08:50:22 +0100	[thread overview]
Message-ID: <3282920.44csPzL39Z@steina-w> (raw)
In-Reply-To: <ZbfdsY8MkQrIzOqG@lizhi-Precision-Tower-5810>

Hi,

Am Montag, 29. Januar 2024, 18:17:37 CET schrieb Frank Li:
> On Tue, Dec 19, 2023 at 01:34:39PM +0100, Alexander Stein wrote:
> > Bindings say DMA channels are in order Rx, Tx. Adjust the DT nodes
> > accordingly.
> > 
> > Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
> > ---
> > 
> >  arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 16 ++++++++--------
> >  1 file changed, 8 insertions(+), 8 deletions(-)
> > 
> > diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi index
> > a180893ac81e..0f48796e32b2 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
> > @@ -93,8 +93,8 @@ lpuart0: serial@5a060000 {
> > 
> >  		assigned-clocks = <&clk IMX_SC_R_UART_0 
IMX_SC_PM_CLK_PER>;
> >  		assigned-clock-rates = <80000000>;
> >  		power-domains = <&pd IMX_SC_R_UART_0>;
> > 
> > -		dma-names = "tx","rx";
> > -		dmas = <&edma2 9 0 0>, <&edma2 8 0 1>;
> > +		dma-names = "rx", "tx";
> > +		dmas = <&edma2 8 0 0>, <&edma2 9 0 1>;
> 
> edma device bind header file already merged.
> Please include <dt-binding/dma/fsl-edma.h>
> 
> Change "1" to "FSL_EDMA_RX".

Thanks, I was not aware of that change. Meanwhile I noticed in my patch the 
flags were not switched as well.

Best regards,
Alexander

> Frank
> 
> >  		status = "disabled";
> >  	
> >  	};
> > 
> > @@ -107,8 +107,8 @@ lpuart1: serial@5a070000 {
> > 
> >  		assigned-clocks = <&clk IMX_SC_R_UART_1 
IMX_SC_PM_CLK_PER>;
> >  		assigned-clock-rates = <80000000>;
> >  		power-domains = <&pd IMX_SC_R_UART_1>;
> > 
> > -		dma-names = "tx","rx";
> > -		dmas = <&edma2 11 0 0>, <&edma2 10 0 1>;
> > +		dma-names = "rx", "tx";
> > +		dmas = <&edma2 10 0 0>, <&edma2 11 0 1>;
> > 
> >  		status = "disabled";
> >  	
> >  	};
> > 
> > @@ -121,8 +121,8 @@ lpuart2: serial@5a080000 {
> > 
> >  		assigned-clocks = <&clk IMX_SC_R_UART_2 
IMX_SC_PM_CLK_PER>;
> >  		assigned-clock-rates = <80000000>;
> >  		power-domains = <&pd IMX_SC_R_UART_2>;
> > 
> > -		dma-names = "tx","rx";
> > -		dmas = <&edma2 13 0 0>, <&edma2 12 0 1>;
> > +		dma-names = "rx", "tx";
> > +		dmas = <&edma2 12 0 0>, <&edma2 13 0 1>;
> > 
> >  		status = "disabled";
> >  	
> >  	};
> > 
> > @@ -135,8 +135,8 @@ lpuart3: serial@5a090000 {
> > 
> >  		assigned-clocks = <&clk IMX_SC_R_UART_3 
IMX_SC_PM_CLK_PER>;
> >  		assigned-clock-rates = <80000000>;
> >  		power-domains = <&pd IMX_SC_R_UART_3>;
> > 
> > -		dma-names = "tx","rx";
> > -		dmas = <&edma2 15 0 0>, <&edma2 14 0 1>;
> > +		dma-names = "rx", "tx";
> > +		dmas = <&edma2 14 0 0>, <&edma2 15 0 1>;
> > 
> >  		status = "disabled";
> >  	
> >  	};

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