From: Samuel Holland <samuel@sholland.org> To: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@siol.net> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Samuel Holland <samuel@sholland.org> Subject: [PATCH 2/2] arm64: dts: allwinner: Enforce consistent MMC numbering Date: Sun, 18 Apr 2021 21:52:46 -0500 [thread overview] Message-ID: <20210419025246.21722-3-samuel@sholland.org> (raw) In-Reply-To: <20210419025246.21722-1-samuel@sholland.org> Traditionally, the sunxi-mmc device numbers matched the register address order. However, that was broken by asynchronous probe, and now the MMC device numbers are not deterministic. Add aliases to keep the device numbers consistent between boots. Use the traditional order, since there is no need to change it. Signed-off-by: Samuel Holland <samuel@sholland.org> --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 6 ++++++ arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 9b58cfbefa6d..3df70a41b3b9 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -17,6 +17,12 @@ / { #address-cells = <1>; #size-cells = <1>; + aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; + mmc2 = &mmc2; + }; + chosen { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index d8ebc1a84af9..4bdc48caf68a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -16,6 +16,12 @@ / { #address-cells = <1>; #size-cells = <1>; + aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; + mmc2 = &mmc2; + }; + cpus { #address-cells = <1>; #size-cells = <0>; -- 2.26.3
WARNING: multiple messages have this Message-ID (diff)
From: Samuel Holland <samuel@sholland.org> To: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@siol.net> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Samuel Holland <samuel@sholland.org> Subject: [PATCH 2/2] arm64: dts: allwinner: Enforce consistent MMC numbering Date: Sun, 18 Apr 2021 21:52:46 -0500 [thread overview] Message-ID: <20210419025246.21722-3-samuel@sholland.org> (raw) In-Reply-To: <20210419025246.21722-1-samuel@sholland.org> Traditionally, the sunxi-mmc device numbers matched the register address order. However, that was broken by asynchronous probe, and now the MMC device numbers are not deterministic. Add aliases to keep the device numbers consistent between boots. Use the traditional order, since there is no need to change it. Signed-off-by: Samuel Holland <samuel@sholland.org> --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 6 ++++++ arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 9b58cfbefa6d..3df70a41b3b9 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -17,6 +17,12 @@ / { #address-cells = <1>; #size-cells = <1>; + aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; + mmc2 = &mmc2; + }; + chosen { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index d8ebc1a84af9..4bdc48caf68a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -16,6 +16,12 @@ / { #address-cells = <1>; #size-cells = <1>; + aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; + mmc2 = &mmc2; + }; + cpus { #address-cells = <1>; #size-cells = <0>; -- 2.26.3 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-04-19 2:52 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-19 2:52 [PATCH 0/2] sunxi: Enforce consistent MMC numbering Samuel Holland 2021-04-19 2:52 ` Samuel Holland 2021-04-19 2:52 ` [PATCH 1/2] ARM: dts: sunxi: h3/h5: " Samuel Holland 2021-04-19 2:52 ` Samuel Holland 2021-04-19 2:52 ` Samuel Holland [this message] 2021-04-19 2:52 ` [PATCH 2/2] arm64: dts: allwinner: " Samuel Holland 2021-04-19 3:17 ` [PATCH 0/2] sunxi: " Chen-Yu Tsai 2021-04-19 3:17 ` Chen-Yu Tsai 2021-04-19 3:17 ` Chen-Yu Tsai 2021-04-19 8:54 ` Andre Przywara 2021-04-19 8:54 ` Andre Przywara 2021-04-30 9:10 ` Maxime Ripard 2021-04-30 9:10 ` Maxime Ripard 2021-04-30 10:55 ` Andre Przywara 2021-04-30 10:55 ` Andre Przywara 2021-05-24 13:56 ` Maxime Ripard 2021-05-24 13:56 ` Maxime Ripard
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