linux-kernel - Re: [PATCH] arm64: dts: marvell: espressobin: De-duplicate eMMC definitions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <a02747f7-8c9d-d445-fac3-afefe3a8ff4e@gmail.com>
Date:   Sun, 27 Sep 2020 08:40:41 +0200
From:   Andre Heider <a.heider@...il.com>
To:     Pali Rohár <pali@...nel.org>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: marvell: espressobin: De-duplicate eMMC
 definitions

On 25/09/2020 10:50, Pali Rohár wrote:
> eMMC definitions in files armada-3720-espressobin-emmc.dts and
> armada-3720-espressobin-v7-emmc.dts is same. So move it into common
> armada-3720-espressobin.dtsi file with status "disabled".
> 
> This change simplifies eMMC variants of DTS files for Espressobin.
> 
> Signed-off-by: Pali Rohár <pali@...nel.org>

Reviewed-by: Andre Heider <a.heider@...il.com>
Tested-by: Andre Heider <a.heider@...il.com>

> ---
> Compiled DTB files armada-3720-espressobin-emmc.dtb and
> armada-3720-espressobin-v7-emmc.dtb are identical as without applying
> this patch.
> 
> Files armada-3720-espressobin.dtb and armada-3720-espressobin-v7.dtb
> are slightly different compared to version without this patch.
> 
> Main change is that numering in all "phandle" nodes is shifted and
> "sdhci0" node contains more attributes, but node is disabled.
> 
> 
> Andre, could you test this change on Espressobin (without eMMC) if
> everything is OK and there is no issue?

Look good to me, the node appears with status=disabled and everything 
seems to work as before.

> 
> ---
>   .../marvell/armada-3720-espressobin-emmc.dts  | 18 --------------
>   .../armada-3720-espressobin-v7-emmc.dts       | 18 --------------
>   .../dts/marvell/armada-3720-espressobin.dtsi  | 24 +++++++++++++++++++
>   3 files changed, 24 insertions(+), 36 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
> index ec72a11ed80f..5c4d8f379704 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
> @@ -21,24 +21,6 @@
>   		     "marvell,armada3720", "marvell,armada3710";
>   };
>   
> -/* U11 */
>   &sdhci0 {
> -	non-removable;
> -	bus-width = <8>;
> -	mmc-ddr-1_8v;
> -	mmc-hs400-1_8v;
> -	marvell,xenon-emmc;
> -	marvell,xenon-tun-count = <9>;
> -	marvell,pad-type = "fixed-1-8v";
> -
> -	pinctrl-names = "default";
> -	pinctrl-0 = <&mmc_pins>;
>   	status = "okay";
> -
> -	#address-cells = <1>;
> -	#size-cells = <0>;
> -	mmccard: mmccard@0 {
> -		compatible = "mmc-card";
> -		reg = <0>;
> -	};
>   };
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
> index 6062a7df7342..4775a7eda481 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
> @@ -36,24 +36,6 @@
>   	label = "wan";
>   };
>   
> -/* U11 */
>   &sdhci0 {
> -	non-removable;
> -	bus-width = <8>;
> -	mmc-ddr-1_8v;
> -	mmc-hs400-1_8v;
> -	marvell,xenon-emmc;
> -	marvell,xenon-tun-count = <9>;
> -	marvell,pad-type = "fixed-1-8v";
> -
> -	pinctrl-names = "default";
> -	pinctrl-0 = <&mmc_pins>;
>   	status = "okay";
> -
> -	#address-cells = <1>;
> -	#size-cells = <0>;
> -	mmccard: mmccard@0 {
> -		compatible = "mmc-card";
> -		reg = <0>;
> -	};
>   };
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
> index 3169a820558f..8a1c678bea5f 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
> @@ -58,6 +58,30 @@
>   	phy-names = "sata-phy";
>   };
>   
> +/* U11 */
> +&sdhci0 {
> +	/* Main DTS file for Espressobin is without eMMC */
> +	status = "disabled";
> +
> +	non-removable;
> +	bus-width = <8>;
> +	mmc-ddr-1_8v;
> +	mmc-hs400-1_8v;
> +	marvell,xenon-emmc;
> +	marvell,xenon-tun-count = <9>;
> +	marvell,pad-type = "fixed-1-8v";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc_pins>;
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	mmccard: mmccard@0 {
> +		compatible = "mmc-card";
> +		reg = <0>;
> +	};
> +};
> +
>   /* J1 */
>   &sdhci1 {
>   	wp-inverted;
>