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Thu, 28 Jan 2021 00:09:08 +0100 (CET) From: Alexander Stein To: Rob Herring , Kevin Hilman , Neil Armstrong , Jerome Brunet , Martin Blumenstingl Subject: [PATCH 1/1] arm64: dts: meson: g12b: odroid-n2: Assign a fixed index to mmc devices Date: Thu, 28 Jan 2021 00:08:52 +0100 Message-Id: <20210127230852.66686-1-alexander.stein@mailbox.org> MIME-Version: 1.0 X-MBO-SPAM-Probability: ** X-Rspamd-Score: 2.93 / 15.00 / 15.00 X-Rspamd-Queue-Id: BFE2D1856 X-Rspamd-UID: 380767 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210127_180915_986478_594E8084 X-CRM114-Status: GOOD ( 14.37 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Stein , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Recently introduced async probe on mmc devices can shuffle block IDs. Pin them to fixed values to ease booting in environments where UUIDs are not practical. Use newly introduced aliases for mmcblk devices from [1]. [1] https://patchwork.kernel.org/patch/11747669/ Commit message taken from commit 0011c6d18277 ("arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.") Signed-off-by: Alexander Stein --- I was wondering which order I should use. Depending in your booting medium (SD card or eMMC) you 'want' one or the other as mmc0. In the end I ordered them according to the names. arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi index 050862cd0996..2faa4da917c1 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi @@ -13,6 +13,8 @@ / { aliases { serial0 = &uart_AO; ethernet0 = ðmac; + mmc0 = &sd_emmc_b; + mmc1 = &sd_emmc_c; }; dioo2133: audio-amplifier-0 {