From patchwork Tue Oct 29 01:29:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nick Chan X-Patchwork-Id: 839822 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7618C7DA95; Tue, 29 Oct 2024 01:31:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730165481; cv=none; b=OBHKjwF4Y0TUzOOOMmJ66TG8fG8vpLu440UP8VYhxmdjBK+Yl/ivpJSvlY/9nEMxpnm8SmDYo5LSh+P2oB70zvvdm3ahujDZsHAsHsXz1BsdLbHbTh7QafgNLkc8cFztDulM2hlIdwfo1bTIAQBzDK9ToTSfz6E0m0YZJDviGno= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730165481; c=relaxed/simple; bh=6fAcAqpXTciIBerQvj9NeAzXhK41rLKSjlVQqYmzxWA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=UBYF8xTDixHq20mnmxdUQZK9ckvVj2QMQ4+tnufsLDOIve2tAoiw0X4Dv4B620Moz91xxMv+SuehrBqlI4mTIrV3BdTcW0zhRNv2XaSQkhRCYA20fDRSel+aQp/lp0kp9iGhrdT/NDXygiWv3hSrr10frTG96DCCagpxFunxRBw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=elYMcl+u; arc=none smtp.client-ip=209.85.214.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="elYMcl+u" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-20e6981ca77so52748085ad.2; Mon, 28 Oct 2024 18:31:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1730165479; x=1730770279; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=mTMUiHHYVMRUoicKPTQrikup5KdhwmqMJsFGyJ97y1M=; b=elYMcl+ukd4UA+QnzrsHbMonX6ByCpwKO00MMjs857RGmiGiuw3BTg9jMUaJ8DYc0L ulH6bdOgVGRG7Jc2mulNgPbev0YBNKYM3f4Vi851gaXbfj8eXSy+GBXgyOd8Taelas4o +caofcci2eszb6VL60vi7W3A0DR/2eM/yJ4BcysExsCotyvbJrYgVFSNIohWGjg6jopY 4pEQxxm39v6JqprHuC2kCj4M7vN1jC9sarnCEZcxtdKES44M5DSj6jUd80RwJjBTYsNw BsQXrTw4h5aZX1Y2KxO4FNGioL8DmYux/rJGYpiZhNi49M1YWpPRh5LGt00AURrv0DMs 15rg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730165479; x=1730770279; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=mTMUiHHYVMRUoicKPTQrikup5KdhwmqMJsFGyJ97y1M=; b=GRhsjURW2TVkrPBfqTjWOaoR9wUT5MQMN4wCCn0ECDx0CVNAexUtQeEVlMKl8EH/wi WtZBvc1JzspoAfR7nMBoWFdPX+Xd5SrfWWQk0/vZRJECyu3SnrotabZmWtQWj6NnUete IgEndc4hyYkXtLuQDdctg6S0kJ4IiNLqcGMrn7CC+Tf3snGIBsB2iWiYuVR0DHgKMezW tVbXoTsm2mKnzTvWoM2dPyllCuIwvmSNEEI0YK7rRtfU+nS/uRf5qdNoBfLb+7zLQ73f 1REhrTqxm/EcsvgkmOmYz94up2FkGbpIl0fyO3PKCndmJGXIIan5CYn2dPuQyQqZDGg5 n/Jw== X-Forwarded-Encrypted: i=1; AJvYcCUqRrk1sA1K39+iW0Zdk4eqIyy6I0FG/rnOZvuwOcdaBoaNfaCWd7QmI8gVZNBmAIzaPgD5Xpj+u7hqNLf7wHw=@vger.kernel.org, AJvYcCXv9tZHOsD+ulvS18S8bQEgEsdixsCJRGwGnN04q3/B7y7dCPv/deb/JzB0sqWV2BV9hlE/4TVWfPCGvbI=@vger.kernel.org X-Gm-Message-State: AOJu0YzDM7WwUI05Z5njyTs3K+O2DMAO3Au5Tpzm2UdLtqwRcrQaFSfX 3pp1wbqQafqRMaMywLr7YWjY+WnQ6StURzehxYBBLMQJ/Tv3/TNX X-Google-Smtp-Source: AGHT+IHpTVvjwrQ3EcoGKK0bmJ6jA8y24xXtEro+uTiZy8kx8QQbwEUeJniOAu9P1ssNSK/aTxA2WA== X-Received: by 2002:a05:6a20:e30b:b0:1d9:d5e:82a6 with SMTP id adf61e73a8af0-1d9a85169f1mr14366765637.45.1730165478664; Mon, 28 Oct 2024 18:31:18 -0700 (PDT) Received: from localhost.localdomain ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-7205791e564sm6686529b3a.17.2024.10.28.18.31.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2024 18:31:18 -0700 (PDT) From: Nick Chan To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Wim Van Sebroeck , Guenter Roeck , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Nick Chan Subject: [PATCH v2 RESEND 0/2] watchdog: apple: Increase reset delay to 150ms Date: Tue, 29 Oct 2024 09:29:16 +0800 Message-ID: <20241029013055.45538-1-towinchenmi@gmail.com> X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Increase the reset delay to 150ms as the Apple A8X SoC can take up to 125ms to actually reset. Since the code is being modified anyways, also fix a bug where watchdog writes were not actually getting flushed after requesting reset, depsite what the code comments said. Changes since v1: - Fix an existing bug where watchdog writes are not flushed v1: https://lore.kernel.org/asahi/20240930060653.4024-1-towinchenmi@gmail.com Nick Chan Acked-by: Hector Martin --- Nick Chan (2): watchdog: apple: Actually flush writes after requesting watchdog restart watchdog: apple: Increase reset delay to 150ms drivers/watchdog/apple_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) base-commit: dec9255a128e19c5fcc3bdb18175d78094cc624d