From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-102.mailbox.org (mout-p-102.mailbox.org [80.241.56.152]) (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 40E0B2BE7B4; Mon, 27 Oct 2025 18:21:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761589279; cv=none; b=o6+81Bl2GCCdjZkZfkGds9LgnmhsYJS1xtpuS1+37t1POYXZm7C57/r0xXH2Oz1odzYOKg9PB3gXcbN10syjVQRWjSlH117L9AybNbP/0HILlHAEIBY1m2/NTtzfPC8FffDwumDYpeZmFg5XSeH7Dex+4h5QEsTSCBEb+foQadI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761589279; c=relaxed/simple; bh=Z39cdubHOff8+JKx6/w34BrjsQRivvYjjTuRm9whb8U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ugxdtWnPFGjroPEsF1MJkEXI9JIi7Ugh4Jh43r51uLltd/xRWy5xYj8vGMd8afkAq+yXUkMZtzkoqYJZJlYq5if7p/0s204RoX3FYnU4KH5CWbIgk9yFT8cqgk0d7NkVrsQGByfhGXIef2gD+lCzIK1jWOdaE9bMgYmxB3z+gFA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=pdqDhQOU; arc=none smtp.client-ip=80.241.56.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="pdqDhQOU" Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:b231:465::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-102.mailbox.org (Postfix) with ESMTPS id 4cwMJp49cdz9v9m; Mon, 27 Oct 2025 19:21:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1761589274; 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=MGXgCo6JU4IvXIGzJengbpq5Z6UZltKHNPMXOi7+mRU=; b=pdqDhQOUEkjZLDNyermMWMT4yNRlqfdwDnuDIabxWNYODbtZipil/WEcpHvLddc0Kr7oKQ vskG4Ej5NWbt9EXUGcX3I6JNur/OnuMsbG+Ld9gqe4BNTYI+exZj5m2KqvrglsLW6JTR6O hW1QBJfHWhQOMuTids1dyzRUmKCdalMXsTZz02mMnpVFY2qbnnl+sm7QD+akfOWQxQMb9i c5EhO555tgYqhu4fsWhN/+AGbBBzioOVzVvGWmGiwRJjuZ2FZZFx1bG3J1Sb4SkiB7zH+v 5v5Ym3Vy+S8CbgekG5VMbioRfqIor0IQOh0fAnxGk4p3gaxVzvVKc5Wv5t835w== Message-ID: <29497db1-9a85-4c27-a0cb-eeee839c3797@mailbox.org> Date: Mon, 27 Oct 2025 19:21:11 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH] arm64: dts: renesas: sparrow-hawk: don't reserve SWDT To: Geert Uytterhoeven Cc: Wolfram Sang , linux-renesas-soc@vger.kernel.org, Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org References: <20251017115123.3438-2-wsa+renesas@sang-engineering.com> <0e81437f-a13f-4605-b7f7-6e6640411f30@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: 766e2b49623b309415f X-MBO-RS-META: d39bt3hz13uzkuekaq6cugatc5zwtu6h On 10/27/25 11:09 AM, Geert Uytterhoeven wrote: Hello Geert, > My Gray Hawk Single still has downstream firmware, and I can modify the > SWDT registers from U-Boot (unlike on Salvator-XS with R-Car H3 ES2), > so access is not blocked. > Hence I plan to drop the SWDT patches for all R-Car Gen4 boards. Thank you for testing. You can also flip the DIP switches on WhiteHawk to boot the original firmware on it, it is left unmodified . Then we would know whether even the WH is unaffected, but I suspect it likely is. -- Best regards, Marek Vasut