From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 66DF8C369C2 for ; Fri, 25 Apr 2025 17:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:References:Cc:To:From:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=juV7rmnyfx7PgjPxj7puQ8sEXS93W01GZ+GDthRaV+o=; b=W+F2o5wHB6abLsEf9IOCTSHSJZ lMTN/0GKHquJoZiSxAgPknglwhMTY9zgdPXgnTZldR2YtXzmNqCViRMSvID9v56+PFVt2mufxPsDU G5DMlhePFHGn3pACzOKZNiGDrA2iWkniToS/VbYmWGd/EDW4D/C85VflA580u6HQS3F0arzrH4YFZ h1Ko8lGaJ1KYsLmB4sDa3ammgJPzPg5eFGvt/DRgFBB5NjSElXMsk1ezH1Q/tu2Oq5GACsaZloAcp qhsVJq05ZvTo4g0S7OZgWs/JCNaglEEXOr61i3ra2hLiKC0iYZofXYKAfdcmEZDoIzKe9pcbcniyG FF3AGFWg==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250425_093932_776482_0F410245 X-CRM114-Status: GOOD ( 13.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 25/04/2025 18:36, Krzysztof Kozlowski wrote: > On 22/04/2025 12:02, Francesco Dolcini wrote: >> From: Francesco Dolcini >> >> Add ethernet aliases, they are used by the firmware to set the MAC >> address and by systemd to rename network interfaces to predictable >> interface names, e.g. end0 and end1. >> >> Signed-off-by: Francesco Dolcini >> --- >> arch/arm64/boot/dts/freescale/imx8qm.dtsi | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi >> index 6fa31bc9ece8..eccd0087efa7 100644 >> --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi >> +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi >> @@ -17,6 +17,8 @@ / { >> #size-cells = <2>; >> >> aliases { >> + ethernet0 = &fec1; >> + ethernet1 = &fec2; > Can't they be disabled (e.g. because MAC is external?) on actual board? > IOW, aliases for exposed interfaces are properties of boards, not SoC. > > What's more, I cannot find these in this DTSI, so how can you add alias > to non-existing node? I found them (terrible design by NXP) but they are disabled so that's the point - adding aliases to disabled nodes is clear sign you are doing it wrong. Best regards, Krzysztof