From nobody Sun Feb 8 16:05:19 2026 Received: from smtpcmd04131.aruba.it (smtpcmd04131.aruba.it [62.149.158.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE9D739341C for ; Wed, 14 Jan 2026 10:53:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.149.158.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768388165; cv=none; b=CerTB86tegCZZX9pnyToUQAEKZkkwuJH6LsfGbmQ+54cDPAqqTwRTgge/ezT/oCXjcGOQarFGh3GuEJ2EF7MyxVCTwh38HqeVs+uo4t3li9JMrG0obwJmgcv7jQZQWZhJnYzXHdMQGrmXWT9StTfkd7C0C6r8iCVwudUL+vvT64= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768388165; c=relaxed/simple; bh=Tp2kTM1nxK1MZ7N8X25iMhek22ei30z6blhLbVoJ9p4=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=NqAMTCH9NWzeYWpPB548Yxpn5dwJHZfZOO5zgG4hq0i1KQ4yWm3OIuas4oEfLlJAC8wBRTfJLKdlk7Hhy/NxEE6qRSBzfnOAq1omgqlN2RUQna1VJAokfKpEFM5YEGw5y9A3vt5CVDXXN6UrpXBi/P+Q0bq6q8BZAjUghkEzCtY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=benettiengineering.com; spf=pass smtp.mailfrom=benettiengineering.com; dkim=pass (2048-bit key) header.d=aruba.it header.i=@aruba.it header.b=Xs6xUh0R; arc=none smtp.client-ip=62.149.158.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=benettiengineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=benettiengineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aruba.it header.i=@aruba.it header.b="Xs6xUh0R" Received: from localhost.localdomain ([84.33.84.190]) by Aruba SMTP with ESMTPSA id fyRxvVvSoJWrEfyRyvxLhb; Wed, 14 Jan 2026 11:50:06 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1768387806; bh=Tp2kTM1nxK1MZ7N8X25iMhek22ei30z6blhLbVoJ9p4=; h=From:To:Subject:Date:MIME-Version; b=Xs6xUh0RrdSJyo+G8o5b2vtX1OcLRD1+QhzAIQ6176YPw+zQf8MT4CioREd4tuv1v 0QglRP7/hIYwFATE4NIyD1/5tmYjKQ80Gc2QVR+s+bF+3NQy5AFTSnSFmZYuIYu5eL /OfrsQV2a5ZQDvSSWPpKVYQKIJetcXBIRQo0XuIPDZPNBbtV3H14GfGpu3LXEhknFM jN0KqH0T2K/OfGAz67U1f01PM3WpfOBTj+iwGcfuoX4IfhY9O6i3mP7Wl1zIQHDT0N 7K5Lp951vdkoyhlGAwOkezbTp8aX9U7/rwwuC/Od7kGKcv9wHZ9fPDgkJfi+QzMr3k HQKLhk1HgdsfA== From: Giulio Benetti To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Giulio Benetti , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: dts: sun7i: a20: fix MMC index enumeration Date: Wed, 14 Jan 2026 11:50:04 +0100 Message-ID: <20260114105005.3136045-1-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CMAE-Envelope: MS4xfESnHajzFz7aJT3NO8d/z09DRG2jmMYGX1I58cMzmU7yUx/zgykc9ZdBoY89l1BkPw0j2FChfi53eh4NypBoCtXTKnqx/4X1MNj97uvX+Kt0pQDMCAX8 HzBOS+uqyzfn/fLu8XC6fhsDgR6WhHF5n9hkvgontu1qHehsX8hS/3VMqdPutTNB1YtaI79qtUJ/M7PfDrlva3GUtkocKUAS8Oekp1trdfhkW/mnb/e+wEWs w/w8erngrlu7IChPFMxmxWXagFTze3e4rQURHQ6KaeSjA2iHErEH2jrOl0X93Q8hy4lLn+cMp6/WwGSX5M/UemK7sELa6WX9+pofD3OJJZmpDyIqb3lDCvmz mVR93LxRCh9PaGo8WCYbDHW4hpe+E1AzrfareecmS5Q7hoZjWDajk1uy8mcjgJlwdecUf0qhXqJvbFIFNvVeWtHxKjCdxtNld1NFDeWSNdc9jzJZ5c3h3tPp +pKZJ+kXu4QBkeEJ/Ng/8S2v3ZCMkhRRBsHGClH3lt7fHaSNCDmXIeFsPCXtD2c2I5xu0fHb5PjOeqmkyNZO8tH+TZmi97cSz/2qx6P6Vhk8fij6x1iKkNkA DQl5utJFvdDXMbj6eBbcyocM Content-Type: text/plain; charset="utf-8" Currently, the OLinuXino-A20-Micro experiences non-deterministic MMC enumeration during boot. When both an SDIO WiFi module (MMC1) and an SD card (MMC0) are present, the kernel may swap their indices. Explicitly define mmc* aliases to ensure consistent device naming and prevent mapping conflicts. Signed-off-by: Giulio Benetti --- arch/arm/boot/dts/allwinner/sun7i-a20.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/allwinner/sun7i-a20.dtsi b/arch/arm/boot/dts= /allwinner/sun7i-a20.dtsi index 5f44f09c5545..a958400bcd7c 100644 --- a/arch/arm/boot/dts/allwinner/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/allwinner/sun7i-a20.dtsi @@ -55,6 +55,10 @@ / { #size-cells =3D <1>; =20 aliases { + mmc0 =3D &mmc0; + mmc1 =3D &mmc1; + mmc2 =3D &mmc2; + mmc3 =3D &mmc3; ethernet0 =3D &gmac; }; =20 --=20 2.47.3