From nobody Mon Feb 9 12:01:14 2026 Received: from out-189.mta0.migadu.com (out-189.mta0.migadu.com [91.218.175.189]) (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 69A362BEFF3 for ; Wed, 12 Nov 2025 14:38:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.189 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762958313; cv=none; b=t4P54ajY/eGtH36SV4Rhyy8+hqUW6usB7yzN8MIpPBQSNYh7XTueJVM5gcF3kzNaXHXJgtqx6UIqT5f+RszZQugsxKdHhB6XObUVFdELJNOtie0v+lS9/nlCB87GEK4bpFaLwUvYoy1iceEx4oX7hvoozs3vl+2+TQGql6uFwVU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762958313; c=relaxed/simple; bh=iyoAsGQGFkkRyLWwIXuw9sz9AApsVOQKRvv9BqDR5LU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e2cNZVsfrBOCQcqB4FOx8SMSprMAxNWJSU2PXGJa21ddnZg1wyOhJSwUInoaCB+DMp86CPw++FnQSh+mOCS34mMFW8QlXYWgG4OLSCEsc/5V16m6JRAVVidlgrqwobTgObJt1ZbTPxOcQOxm1NVa9i1d7Ah+HLoB8LNJwP2agm0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=BOZsCKjj; arc=none smtp.client-ip=91.218.175.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="BOZsCKjj" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1762958309; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LzmGMWxJH7R4p+oRJophXFwsUFgFBj2qEtFwWWGetb0=; b=BOZsCKjjFQONm+8rxX6JqTQqwaXES9xxP7PKPpElFBb0Rz0lfQM8/ntbkCa2J9rzuLKG6T 72OuPWnrAWtfXpwJT4clt8e7Ood2QYwoOc9uy9Fzfo/izbnt1hkxkytyUw+Nao/kbGdJxE LL8pcnqPhwpFBdbOCmzsrckrerNTb2Q= From: Yuntao Wang To: Rob Herring , Saravana Kannan Cc: Geert Uytterhoeven , Catalin Marinas , AKASHI Takahiro , James Morse , Chen Zhou , Baoquan He , Zhen Lei , Andrew Morton , Changyuan Lyu , Alexander Graf , "Mike Rapoport (Microsoft)" , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yuntao Wang Subject: [PATCH 09/10] of/fdt: Fix incorrect use of dt_root_addr_cells in early_init_dt_check_kho() Date: Wed, 12 Nov 2025 22:35:19 +0800 Message-ID: <20251112143520.233870-10-yuntao.wang@linux.dev> In-Reply-To: <20251112143520.233870-1-yuntao.wang@linux.dev> References: <20251112143520.233870-1-yuntao.wang@linux.dev> 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-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" When reading the fdt_size value, the argument passed to dt_mem_next_cell() is dt_root_addr_cells, but it should be dt_root_size_cells. The same issue occurs when reading the scratch_size value. Fix these issues. Fixes: 274cdcb1c004 ("arm64: add KHO support") Signed-off-by: Yuntao Wang Reviewed-by: Geert Uytterhoeven --- drivers/of/fdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index fa1703612530..3b34c7e71ebc 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -894,14 +894,14 @@ static void __init early_init_dt_check_kho(void) return; =20 fdt_start =3D dt_mem_next_cell(dt_root_addr_cells, &p); - fdt_size =3D dt_mem_next_cell(dt_root_addr_cells, &p); + fdt_size =3D dt_mem_next_cell(dt_root_size_cells, &p); =20 p =3D of_get_flat_dt_prop(node, "linux,kho-scratch", &l); if (l !=3D dt_root_addr_size_bytes()) return; =20 scratch_start =3D dt_mem_next_cell(dt_root_addr_cells, &p); - scratch_size =3D dt_mem_next_cell(dt_root_addr_cells, &p); + scratch_size =3D dt_mem_next_cell(dt_root_size_cells, &p); =20 kho_populate(fdt_start, fdt_size, scratch_start, scratch_size); } --=20 2.51.0