All of lore.kernel.org
 help / color / mirror / Atom feed
From: Marek Szyprowski <m.szyprowski@samsung.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Lee Jones <lee.jones@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Dinh Nguyen <dinguyen@kernel.org>,
	Michal Simek <michal.simek@xilinx.com>,
	Liviu Dudau <liviu.dudau@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Broadcom Kernel Team <bcm-kernel-feedback-list@broadcom.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>
Subject: Re: [PATCH 08/10] ARM: dts: exynos: use proper 'dma-channels/requests' properties
Date: Thu, 28 Apr 2022 11:50:24 +0200	[thread overview]
Message-ID: <5eeac2a0-4293-675e-9dc2-25ed8ab3fb8f@samsung.com> (raw)
In-Reply-To: <20220427155840.596535-9-krzysztof.kozlowski@linaro.org>

Hi Krzysztof,

On 27.04.2022 17:58, Krzysztof Kozlowski wrote:
> pl330 DMA controller bindings documented 'dma-channels' and
> 'dma-requests' properties (without leading hash sign), so fix the DTS to
> match the bindings.
>
> Reported-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Are those properties really needed for PL330 driver on Exynos SoCs? I've 
removed them and I still see the proper values read from registers and 
reported in the log (Exynos4210):

dma-pl330 12680000.dma-controller: Loaded driver for PL330 DMAC-141330
dma-pl330 12680000.dma-controller:       DBUFF-32x4bytes Num_Chans-8 
Num_Peri-32 Num_Events-32
dma-pl330 12690000.dma-controller: Loaded driver for PL330 DMAC-141330
dma-pl330 12690000.dma-controller:       DBUFF-32x4bytes Num_Chans-8 
Num_Peri-32 Num_Events-32
dma-pl330 12850000.dma-controller: Loaded driver for PL330 DMAC-141330
dma-pl330 12850000.dma-controller:       DBUFF-64x8bytes Num_Chans-8 
Num_Peri-1 Num_Events-32

I also don't see any code that would read those properties. IMHO they 
should be simply removed at all, at least for the PL330 related nodes.

> ---
>   arch/arm/boot/dts/exynos3250.dtsi             |  8 ++++----
>   arch/arm/boot/dts/exynos4.dtsi                | 12 +++++------
>   .../boot/dts/exynos4210-universal_c210.dts    |  4 ++--
>   arch/arm/boot/dts/exynos5250.dtsi             | 16 +++++++--------
>   arch/arm/boot/dts/exynos5410.dtsi             |  8 ++++----
>   arch/arm/boot/dts/exynos5420.dtsi             | 20 +++++++++----------
>   6 files changed, 34 insertions(+), 34 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> index 41bb421e67c2..7bdd4f0782c3 100644
> --- a/arch/arm/boot/dts/exynos3250.dtsi
> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> @@ -429,8 +429,8 @@ pdma0: dma-controller@12680000 {
>   			clocks = <&cmu CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@12690000 {
> @@ -440,8 +440,8 @@ pdma1: dma-controller@12690000 {
>   			clocks = <&cmu CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		adc: adc@126c0000 {
> diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
> index 5fd17bc52321..2a244aaf84b4 100644
> --- a/arch/arm/boot/dts/exynos4.dtsi
> +++ b/arch/arm/boot/dts/exynos4.dtsi
> @@ -676,8 +676,8 @@ pdma0: dma-controller@12680000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@12690000 {
> @@ -687,8 +687,8 @@ pdma1: dma-controller@12690000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		mdma1: dma-controller@12850000 {
> @@ -698,8 +698,8 @@ mdma1: dma-controller@12850000 {
>   			clocks = <&clock CLK_MDMA>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		fimd: fimd@11c00000 {
> diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
> index 138d606d58a5..c1b11704b8ee 100644
> --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
> +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
> @@ -666,8 +666,8 @@ mdma0: dma-controller@12840000 {
>   		clocks = <&clock CLK_MDMA>;
>   		clock-names = "apb_pclk";
>   		#dma-cells = <1>;
> -		#dma-channels = <8>;
> -		#dma-requests = <1>;
> +		dma-channels = <8>;
> +		dma-requests = <1>;
>   		power-domains = <&pd_lcd0>;
>   	};
>   };
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
> index df80ddfada2d..c4c0b4c08094 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -700,8 +700,8 @@ pdma0: dma-controller@121a0000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@121b0000 {
> @@ -711,8 +711,8 @@ pdma1: dma-controller@121b0000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		mdma0: dma-controller@10800000 {
> @@ -722,8 +722,8 @@ mdma0: dma-controller@10800000 {
>   			clocks = <&clock CLK_MDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		mdma1: dma-controller@11c10000 {
> @@ -733,8 +733,8 @@ mdma1: dma-controller@11c10000 {
>   			clocks = <&clock CLK_MDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		gsc_0: gsc@13e00000 {
> diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi
> index 4d797a9abba4..6dc08cb0622c 100644
> --- a/arch/arm/boot/dts/exynos5410.dtsi
> +++ b/arch/arm/boot/dts/exynos5410.dtsi
> @@ -196,8 +196,8 @@ pdma0: dma-controller@121a0000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@121b0000 {
> @@ -207,8 +207,8 @@ pdma1: dma-controller@121b0000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		audi2s0: i2s@3830000 {
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 21b608705049..08198d82ce8d 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -437,8 +437,8 @@ adma: dma-controller@3880000 {
>   			clocks = <&clock_audss EXYNOS_ADMA>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <6>;
> -			#dma-requests = <16>;
> +			dma-channels = <6>;
> +			dma-requests = <16>;
>   			power-domains = <&mau_pd>;
>   		};
>   
> @@ -449,8 +449,8 @@ pdma0: dma-controller@121a0000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@121b0000 {
> @@ -460,8 +460,8 @@ pdma1: dma-controller@121b0000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		mdma0: dma-controller@10800000 {
> @@ -471,8 +471,8 @@ mdma0: dma-controller@10800000 {
>   			clocks = <&clock CLK_MDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		mdma1: dma-controller@11c10000 {
> @@ -482,8 +482,8 @@ mdma1: dma-controller@11c10000 {
>   			clocks = <&clock CLK_MDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   			/*
>   			 * MDMA1 can support both secure and non-secure
>   			 * AXI transactions. When this is enabled in

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland


WARNING: multiple messages have this Message-ID (diff)
From: Marek Szyprowski <m.szyprowski@samsung.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Lee Jones <lee.jones@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Dinh Nguyen <dinguyen@kernel.org>,
	Michal Simek <michal.simek@xilinx.com>,
	Liviu Dudau <liviu.dudau@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Broadcom Kernel Team <bcm-kernel-feedback-list@broadcom.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>
Subject: Re: [PATCH 08/10] ARM: dts: exynos: use proper 'dma-channels/requests' properties
Date: Thu, 28 Apr 2022 11:50:24 +0200	[thread overview]
Message-ID: <5eeac2a0-4293-675e-9dc2-25ed8ab3fb8f@samsung.com> (raw)
In-Reply-To: <20220427155840.596535-9-krzysztof.kozlowski@linaro.org>

Hi Krzysztof,

On 27.04.2022 17:58, Krzysztof Kozlowski wrote:
> pl330 DMA controller bindings documented 'dma-channels' and
> 'dma-requests' properties (without leading hash sign), so fix the DTS to
> match the bindings.
>
> Reported-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Are those properties really needed for PL330 driver on Exynos SoCs? I've 
removed them and I still see the proper values read from registers and 
reported in the log (Exynos4210):

dma-pl330 12680000.dma-controller: Loaded driver for PL330 DMAC-141330
dma-pl330 12680000.dma-controller:       DBUFF-32x4bytes Num_Chans-8 
Num_Peri-32 Num_Events-32
dma-pl330 12690000.dma-controller: Loaded driver for PL330 DMAC-141330
dma-pl330 12690000.dma-controller:       DBUFF-32x4bytes Num_Chans-8 
Num_Peri-32 Num_Events-32
dma-pl330 12850000.dma-controller: Loaded driver for PL330 DMAC-141330
dma-pl330 12850000.dma-controller:       DBUFF-64x8bytes Num_Chans-8 
Num_Peri-1 Num_Events-32

I also don't see any code that would read those properties. IMHO they 
should be simply removed at all, at least for the PL330 related nodes.

> ---
>   arch/arm/boot/dts/exynos3250.dtsi             |  8 ++++----
>   arch/arm/boot/dts/exynos4.dtsi                | 12 +++++------
>   .../boot/dts/exynos4210-universal_c210.dts    |  4 ++--
>   arch/arm/boot/dts/exynos5250.dtsi             | 16 +++++++--------
>   arch/arm/boot/dts/exynos5410.dtsi             |  8 ++++----
>   arch/arm/boot/dts/exynos5420.dtsi             | 20 +++++++++----------
>   6 files changed, 34 insertions(+), 34 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> index 41bb421e67c2..7bdd4f0782c3 100644
> --- a/arch/arm/boot/dts/exynos3250.dtsi
> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> @@ -429,8 +429,8 @@ pdma0: dma-controller@12680000 {
>   			clocks = <&cmu CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@12690000 {
> @@ -440,8 +440,8 @@ pdma1: dma-controller@12690000 {
>   			clocks = <&cmu CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		adc: adc@126c0000 {
> diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
> index 5fd17bc52321..2a244aaf84b4 100644
> --- a/arch/arm/boot/dts/exynos4.dtsi
> +++ b/arch/arm/boot/dts/exynos4.dtsi
> @@ -676,8 +676,8 @@ pdma0: dma-controller@12680000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@12690000 {
> @@ -687,8 +687,8 @@ pdma1: dma-controller@12690000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		mdma1: dma-controller@12850000 {
> @@ -698,8 +698,8 @@ mdma1: dma-controller@12850000 {
>   			clocks = <&clock CLK_MDMA>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		fimd: fimd@11c00000 {
> diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
> index 138d606d58a5..c1b11704b8ee 100644
> --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
> +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
> @@ -666,8 +666,8 @@ mdma0: dma-controller@12840000 {
>   		clocks = <&clock CLK_MDMA>;
>   		clock-names = "apb_pclk";
>   		#dma-cells = <1>;
> -		#dma-channels = <8>;
> -		#dma-requests = <1>;
> +		dma-channels = <8>;
> +		dma-requests = <1>;
>   		power-domains = <&pd_lcd0>;
>   	};
>   };
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
> index df80ddfada2d..c4c0b4c08094 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -700,8 +700,8 @@ pdma0: dma-controller@121a0000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@121b0000 {
> @@ -711,8 +711,8 @@ pdma1: dma-controller@121b0000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		mdma0: dma-controller@10800000 {
> @@ -722,8 +722,8 @@ mdma0: dma-controller@10800000 {
>   			clocks = <&clock CLK_MDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		mdma1: dma-controller@11c10000 {
> @@ -733,8 +733,8 @@ mdma1: dma-controller@11c10000 {
>   			clocks = <&clock CLK_MDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		gsc_0: gsc@13e00000 {
> diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi
> index 4d797a9abba4..6dc08cb0622c 100644
> --- a/arch/arm/boot/dts/exynos5410.dtsi
> +++ b/arch/arm/boot/dts/exynos5410.dtsi
> @@ -196,8 +196,8 @@ pdma0: dma-controller@121a0000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@121b0000 {
> @@ -207,8 +207,8 @@ pdma1: dma-controller@121b0000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		audi2s0: i2s@3830000 {
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 21b608705049..08198d82ce8d 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -437,8 +437,8 @@ adma: dma-controller@3880000 {
>   			clocks = <&clock_audss EXYNOS_ADMA>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <6>;
> -			#dma-requests = <16>;
> +			dma-channels = <6>;
> +			dma-requests = <16>;
>   			power-domains = <&mau_pd>;
>   		};
>   
> @@ -449,8 +449,8 @@ pdma0: dma-controller@121a0000 {
>   			clocks = <&clock CLK_PDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		pdma1: dma-controller@121b0000 {
> @@ -460,8 +460,8 @@ pdma1: dma-controller@121b0000 {
>   			clocks = <&clock CLK_PDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <32>;
> +			dma-channels = <8>;
> +			dma-requests = <32>;
>   		};
>   
>   		mdma0: dma-controller@10800000 {
> @@ -471,8 +471,8 @@ mdma0: dma-controller@10800000 {
>   			clocks = <&clock CLK_MDMA0>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   		};
>   
>   		mdma1: dma-controller@11c10000 {
> @@ -482,8 +482,8 @@ mdma1: dma-controller@11c10000 {
>   			clocks = <&clock CLK_MDMA1>;
>   			clock-names = "apb_pclk";
>   			#dma-cells = <1>;
> -			#dma-channels = <8>;
> -			#dma-requests = <1>;
> +			dma-channels = <8>;
> +			dma-requests = <1>;
>   			/*
>   			 * MDMA1 can support both secure and non-secure
>   			 * AXI transactions. When this is enabled in

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2022-04-28 10:02 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-27 15:58 [PATCH 00/10] ARM/arm64: dts: use proper 'dma-channels/requests' properties Krzysztof Kozlowski
2022-04-27 15:58 ` Krzysztof Kozlowski
2022-04-27 15:58 ` [PATCH 01/10] ARM: dts: zynq-7000: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-28  6:24   ` Michal Simek
2022-04-28  6:24     ` Michal Simek
2022-04-27 15:58 ` [PATCH 02/10] ARM: dts: socfpga: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 15:58 ` [PATCH 03/10] arm64: dts: stratix10/agilex: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 15:58 ` [PATCH 04/10] arm64: dts: juno: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-28 10:43   ` Robin Murphy
2022-04-28 10:43     ` Robin Murphy
2022-04-28 10:45     ` Krzysztof Kozlowski
2022-04-28 10:45       ` Krzysztof Kozlowski
2022-04-27 15:58 ` [PATCH 05/10] arm64: dts: broadcom: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 15:58 ` [PATCH 06/10] dt-bindings: mfd: samsung,exynos5433-lpass: fix " Krzysztof Kozlowski
2022-04-27 15:58   ` [PATCH 06/10] dt-bindings: mfd: samsung, exynos5433-lpass: " Krzysztof Kozlowski
2022-04-27 16:41   ` [PATCH 06/10] dt-bindings: mfd: samsung,exynos5433-lpass: " Alim Akhtar
2022-04-27 16:41     ` Alim Akhtar
2022-04-27 18:25   ` Rob Herring
2022-04-27 18:25     ` Rob Herring
2022-04-28  9:53   ` Lee Jones
2022-04-28  9:53     ` Lee Jones
2022-04-27 15:58 ` [PATCH 07/10] ARM: dts: s5pv210: use proper " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 16:45   ` Alim Akhtar
2022-04-27 16:45     ` Alim Akhtar
2022-04-27 15:58 ` [PATCH 08/10] ARM: dts: exynos: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 16:44   ` Alim Akhtar
2022-04-27 16:44     ` Alim Akhtar
2022-04-28  9:50   ` Marek Szyprowski [this message]
2022-04-28  9:50     ` Marek Szyprowski
2022-04-28  9:54     ` Krzysztof Kozlowski
2022-04-28  9:54       ` Krzysztof Kozlowski
2022-04-28  9:57       ` Marek Szyprowski
2022-04-28  9:57         ` Marek Szyprowski
2022-04-28 10:00         ` Krzysztof Kozlowski
2022-04-28 10:00           ` Krzysztof Kozlowski
2022-04-28 10:05           ` Marek Szyprowski
2022-04-28 10:05             ` Marek Szyprowski
2022-04-28 10:09             ` Krzysztof Kozlowski
2022-04-28 10:09               ` Krzysztof Kozlowski
2022-04-28 13:33               ` Rob Herring
2022-04-28 13:33                 ` Rob Herring
2022-04-28  9:55     ` Alim Akhtar
2022-04-28  9:55       ` Alim Akhtar
2022-04-27 15:58 ` [PATCH 09/10] arm64: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 16:46   ` Alim Akhtar
2022-04-27 16:46     ` Alim Akhtar
2022-04-27 15:58 ` [PATCH 10/10] arm64: dts: fsd: " Krzysztof Kozlowski
2022-04-27 15:58   ` Krzysztof Kozlowski
2022-04-27 16:49   ` Alim Akhtar
2022-04-27 16:49     ` Alim Akhtar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5eeac2a0-4293-675e-9dc2-25ed8ab3fb8f@samsung.com \
    --to=m.szyprowski@samsung.com \
    --cc=alim.akhtar@samsung.com \
    --cc=bcm-kernel-feedback-list@broadcom.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dinguyen@kernel.org \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=krzysztof.kozlowski@linaro.org \
    --cc=lee.jones@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=liviu.dudau@arm.com \
    --cc=lorenzo.pieralisi@arm.com \
    --cc=michal.simek@xilinx.com \
    --cc=rjui@broadcom.com \
    --cc=robh+dt@kernel.org \
    --cc=robh@kernel.org \
    --cc=s.nawrocki@samsung.com \
    --cc=sbranden@broadcom.com \
    --cc=sudeep.holla@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.