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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37982C83F27 for ; Tue, 15 Jul 2025 20:35:50 +0000 (UTC) Received: from mslow3.mail.gandi.net (mslow3.mail.gandi.net [217.70.178.249]) by mx.groups.io with SMTP id smtpd.web10.5461.1752611715713528254 for ; Tue, 15 Jul 2025 13:35:16 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=M3c91kzE; spf=pass (domain: bootlin.com, ip: 217.70.178.249, mailfrom: thomas.petazzoni@bootlin.com) Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::221]) by mslow3.mail.gandi.net (Postfix) with ESMTP id 3547058968A for ; Tue, 15 Jul 2025 20:13:07 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id C12C04434C; Tue, 15 Jul 2025 20:13:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1752610383; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VMvURgKNfEcgL37mWbfHJHzqWKTOslmFFZXpkYEPvpQ=; b=M3c91kzEn14xR3jukOBETo2uDSD1em/SzFFSb8a0iriVqUKzMtmIUq5E46oBXtxreRP0G6 xY5GQ/H0iMhZQ8iaa5ranOyljtm3eeDOPfaqzN+iBtW/SI3RdhTb7irXIdPCAm/WTNY36Y wEHQovOkIjxsU3FPl9JnCZuDNZ9EdpwgnBjPK1rtdd6eS9zCsok/mgoVwR2U6AstH+Y5kX /it6cN+agv1SGpGExzDZEyckSGxnUteaXNwN5CwZgCBtLUL4uLJe62cmBNR+VY5pUmeMy3 iDiQbeBUsHjgUvjn2i/38IIlm7gQsk+21xsbv7vZDkiQGPAwis2IdxjpIZM+Cg== Date: Tue, 15 Jul 2025 22:12:58 +0200 From: Thomas Petazzoni To: Ryan Eatmon Cc: Miguel Gazquez , , , , , , , Subject: Re: [PATCH 1/2] conf: machine: add BeagleBone Green Eco to KERNEL_DEVICETREE Message-ID: <20250715221258.0f97521c@windsurf> In-Reply-To: <40c291ff-c3ee-4d9f-a45a-3affb088cf7e@ti.com> References: <20250715-bbg_eco_machine-v1-0-6d1581129203@bootlin.com> <20250715-bbg_eco_machine-v1-1-6d1581129203@bootlin.com> <40c291ff-c3ee-4d9f-a45a-3affb088cf7e@ti.com> Organization: Bootlin X-Mailer: Claws Mail 4.3.1 (GTK 3.24.43; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgdehheejiecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvfevuffkjghfohfogggtgfesthejredtredtvdenucfhrhhomhepvfhhohhmrghsucfrvghtrgiiiihonhhiuceothhhohhmrghsrdhpvghtrgiiiihonhhisegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeltdegvdejheegtefgueffgfelhfekvdefudevieeileetleeitdefgfeugffghfenucffohhmrghinhepsghoohhtlhhinhdrtghomhenucfkphepvdgrtddumegtsgdtieemkedtgehfmeefiedvleemieehvgeimegsudelvdemfeeksgelmegssggskeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtudemtggstdeimeektdegfhemfeeivdelmeeihegvieemsgduledvmeefkegsleemsggssgekpdhhvghlohepfihinhgushhurhhfpdhmrghilhhfrhhomhepthhhohhmrghsrdhpvghtrgiiiihonhhisegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeelpdhrtghpthhtoheprhgvrghtmhhonhesthhirdgtohhmpdhrtghpthhtohepmhhighhuvghlrdhgrgiiqhhuvgiisegsohhothhlihhnrdgtohhmpdhrtghpthhtohepmhgvthgrqdhti heslhhishhtshdrhihotghtohhprhhojhgvtghtrdhorhhgpdhrtghpthhtohepphhrrghnvggvthhhsehtihdrtghomhdprhgtphhtthhopehrohhmrghinhdrghgrnhhtohhishessghoohhtlhhinhdrtghomhdprhgtphhtthhopehkohhrhidrmhgrihhntggvnhhtsegsohhothhlihhnrdgtohhmpdhrtghpthhtohepthhhohhmrghsrdgsohhnnhgvfhhilhhlvgessghoohhtlhhinhdrtghomhdprhgtphhtthhopeguvghnhihssehkohhnshhulhhkohdrtghomh X-GND-Sasl: thomas.petazzoni@bootlin.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 15 Jul 2025 20:35:50 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-ti/message/18790 Hello Ryan, Thanks for your review! On Tue, 15 Jul 2025 08:52:03 -0500 Ryan Eatmon wrote: > NAK. As has been mentioned several times on this list, we do not update > KERNEL_DEVICETREE directly. As we support multiple kernel versions with > each branch, we cannot have a single KERNEL_DEVICETREE that works for > all kernel versions. > > To that end we setup the KERNEL_DEVICETREE_PREFIX variable that will > pattern match and change the value for KERNEL_DEVICETREE based on the > available matching DTBs in the given kernel. The only kernel version > that uses KERNEL_DEVICETREE is the mainline (aka latest stable) kernel. > And the value for this variable is automatically updated to include all > of the available DTBs in the mainline kernel at the time we update the > recipe to that version. > > As the KERNEL_DEVICETREE_PREFIX already has an entry that will pick up > this new DTB when it is available, this change is not needed. > > Right now this new DTB is only available on linux-next and has not made > it into any released kernels. This DTB has also been backported into linux-ti, which is really what we're interested in for now. Though probably that doesn't change anything to your feedback, but I thought it was worth mentioning. Thomas -- Thomas Petazzoni, co-owner and CEO, Bootlin Embedded Linux and Kernel engineering and training https://bootlin.com