From nobody Sun Feb 8 12:37:32 2026 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 F2A6025A34F for ; Mon, 12 Jan 2026 14:20:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768227641; cv=none; b=c76PbSEqOat87DLGQN+EwV+UIQ37Wd35Q1G8iOyDO6XWHMWfbJDr3AhtEoNjtUSx+ufO5g98HrOooLgHMO4VZdBgPxEbWpMFHeDbMYfTedio3sPqIzZoGPvh9ge6arlt6D40ZQLVIEW6Bm7gIwIZO3MUhVtLMIgyop5+jmCEFWA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768227641; c=relaxed/simple; bh=Q7d+N+qaxCS1cL3oXzPN5kKvGycb5yJI0kIRov0CX3c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=esKNXmus7/pp15R9lrCATY6lqbEL9MVtdD3IPlmtRTJZMs081wuSpRSyF6+VDUpK6jRrdyBDb7lxvju5e5zCXmHuM1iAenaNnsw28NefLIhK/73ruicS7L/i1G9bhvDBssWHMZA0sZvoECm4XcRkGfKSdiL+7L6mJyHK2g3V++g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=TVl3VYYO; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="TVl3VYYO" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id E51E31A27F5; Mon, 12 Jan 2026 14:20:36 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id BBA1C606FA; Mon, 12 Jan 2026 14:20:36 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id C0690103C9260; Mon, 12 Jan 2026 15:20:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1768227635; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=R0j2VCBhRwI5mPHPNv3oVXmquGF1BZdBGvded0qwW+M=; b=TVl3VYYO2PeZfexko6SRu6Nw/Ycm7ksufavfAQTxnxIK42vK0+DO07XgkeIwA0EIVu/Akk i06lXDtoIgdiwd8hiFvmJ6ZZf805Ast6ZgJ5vrhsNuj6aNx/bG+Ja+lfZ2r7JDcsmHI66a BAhSOjzIh4n1Gk0lMhVlmS4o2mlnnbzLjJ9PLhtDOhdmq1UFIIEpcK4dd+gUwxllMt+DUW 3iqBe8RJ2ga1OJrD0FhzLCuDQcmZPssDKXO8rcf2KDd/wFOP+BflkiSVJVEGBnDpdS4TKa oJpaGD3JuDAxPVipah8u/Ay5c0N86RQXvv+GYEP4J1NQ6WireXL7cd2ouCTUxA== From: Herve Codina To: David Gibson , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Ayush Singh , Geert Uytterhoeven , devicetree-compiler@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree-spec@vger.kernel.org, Hui Pu , Ian Ray , Luca Ceresoli , Thomas Petazzoni , Herve Codina Subject: [RFC PATCH 09/77] dtc: Introduce mark_local_phandles() Date: Mon, 12 Jan 2026 15:18:59 +0100 Message-ID: <20260112142009.1006236-10-herve.codina@bootlin.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260112142009.1006236-1-herve.codina@bootlin.com> References: <20260112142009.1006236-1-herve.codina@bootlin.com> 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-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" In order to have the new FDT_REF_LOCAL tag present in a dtb, the phandle reference needs to be identify as a local reference. This is the purpose of mark_local_phandles(). It identifies a phandle reference as a local reference when this reference points to a local node. With that node, the related FDT_REF_LOCAL tag is set in the dtb. Signed-off-by: Herve Codina --- dtc.c | 1 + dtc.h | 1 + livetree.c | 26 ++++++++++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/dtc.c b/dtc.c index 88f03ff..d0b4de3 100644 --- a/dtc.c +++ b/dtc.c @@ -334,6 +334,7 @@ int main(int argc, char *argv[]) } =20 update_phandles_ref(dti); + mark_local_phandles(dti); =20 process_checks(force, dti); =20 diff --git a/dtc.h b/dtc.h index 351fe41..08c9f07 100644 --- a/dtc.h +++ b/dtc.h @@ -346,6 +346,7 @@ void generate_fixups_tree(struct dt_info *dti, const ch= ar *name); void generate_local_fixups_tree(struct dt_info *dti, const char *name); =20 void update_phandles_ref(struct dt_info *dti); +void mark_local_phandles(struct dt_info *dti); =20 /* Checks */ =20 diff --git a/livetree.c b/livetree.c index 9e30a63..2a0a7ed 100644 --- a/livetree.c +++ b/livetree.c @@ -1196,3 +1196,29 @@ void update_phandles_ref(struct dt_info *dti) { update_phandles_ref_internal(dti, dti->dt); } + +static void mark_local_phandles_internal(struct dt_info *dti, + struct node *node) +{ + struct node *c; + struct property *prop; + struct marker *m; + struct node *refnode; + + for_each_property(node, prop) { + m =3D prop->val.markers; + for_each_marker_of_type(m, REF_PHANDLE) { + refnode =3D get_node_by_ref(dti->dt, m->ref); + if (refnode) + m->is_local =3D true; + } + } + + for_each_child(node, c) + mark_local_phandles_internal(dti, c); +} + +void mark_local_phandles(struct dt_info *dti) +{ + mark_local_phandles_internal(dti, dti->dt); +} --=20 2.52.0