linux-kernel - Re: [PATCH 1/2] arm64: dts: exynos: Fix wrong label for USB 3.0 controller node

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Date:   Sat, 24 Jun 2017 20:16:20 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Dongwoo Lee <dwoo08.lee@...sung.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Kukjin Kim <kgene@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES" 
        <linux-samsung-soc@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        cw00.choi@...sung.com, andi.shyti@...sung.com
Subject: Re: [PATCH 1/2] arm64: dts: exynos: Fix wrong label for USB 3.0
 controller node

On Tue, Jun 20, 2017 at 04:12:23PM +0900, Dongwoo Lee wrote:
> Exynos5433 has two usb 3.0 controllers: usbhost and usbdrd. usbhost
> is host-only controller whereas usbdrd supports both peripheral and
> host mode. "drd" means dual-role device, so usbhost cannot be labeled
> with the name contains "drd". Howerver, the label usbdrd_dwc3_0 was

Patch looks okay but it is too late for current cycle so I will take it
for v4.14. In future, please run spell check :)

Best regards,
Krzysztof

> used for usbhost's dwc3 node. It seems it obviously fault because TM2
> and TM2E doesn't use usbhost but dr_mode property is assigned to it.
> 
> This patch assigns the proper label for two dwc3 nodes, and apply
> changes to the related reference
> 
> Signed-off-by: Dongwoo Lee <dwoo08.lee@...sung.com>
> ---
>  arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 2 +-
>  arch/arm64/boot/dts/exynos/exynos5433.dtsi            | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index 804a270..477c3bc 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> @@ -1202,7 +1202,7 @@
>  	status = "okay";
>  };
>  
> -&usbdrd_dwc3_0 {
> +&usbdrd_dwc3 {
>  	dr_mode = "otg";
>  };
>  
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> index 727f36a..7fe994b 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -1367,7 +1367,7 @@
>  			ranges;
>  			status = "disabled";
>  
> -			dwc3@...00000 {
> +			usbdrd_dwc3: dwc3@...00000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x15400000 0x10000>;
>  				interrupts = <GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>;
> @@ -1414,7 +1414,7 @@
>  			ranges;
>  			status = "disabled";
>  
> -			usbdrd_dwc3_0: dwc3@...00000 {
> +			usbhost_dwc3: dwc3@...00000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x15a00000 0x10000>;
>  				interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>;
> -- 
> 1.9.1
>