From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.14 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794229487; b=oi9D0T0xDycswdzWvrayolnMXKKGZBdPgryAmXk3HRYu2kywq3cNFo5gp0uw+vJlWM2g Q8RqGG9CRyu4bw2MBLPo95RtMdUB6UEcxvnl0dcowr3OFcCiq9ePm96D1G80XMotsaoxd 1MSeWLwfUkhns0cpFt5m46ifUi+sHrwKTATxqPw8q4uj5V3EapkdAEA3KBIZrxQc2qTqY z4S6pf5odZefPQNKK70kVIf/Z5DdtcAKUk+efXIyOnmNwLZbFjqvV4obqqKM86mf1C+QV Sv58RGsqc9QR1dw2uNsAYShl4IdMF3zVSX4SsQ0yzc3klt7JVB4tO3q+tfoPcQexcEg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794229487; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Received:Date: Organization:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; bh=gD6KUHhyIA5CrSJ0UjiC2lxpJrn69wljFAN5WODknBw=; b=DcsROpft5JZrqDYxmTaWdHuAjh1GzH8+qKwR1b/IL2SF3XFg5UbzlVLgzqXAQbicR+lG eOaeyFD4ZAus9j7subl1a05g/P6SQnLZYJ13Fp5IREJoir7E7pbZN8dDcRMaYjVJ8ZIGt +xd9M9ySGLoqzhP+j8wJ47q4RaTJDnDqbx76aQTqTgO6MYJAtob65W/uPTQOp4RsAwQFt vaaEnWRI/WLvmK9ssL2++MRYooURFqw18wInCfF6Gcj35wLfcmiuMvKygoRP7ErMU8IqD EiBRparkrdM4S8nKCVj39i4klFo47PC514T7YqATOHLbpnU0yRBkW8CvNixWSVAF0hA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=fNS0BU+Y; arc=none smtp.remote-ip=198.175.65.14 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9BDED606A321; Mon, 9 Nov 2026 13:04:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9BDED606A321 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=fNS0BU+Y DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1794229487; x=1825765487; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=M1DootRtlh3ognG0Iqi7B+WiKIFAdgGqBDEVSjzm7IY=; b=fNS0BU+YrEGM0QPFpfEdf7QlEMJ2mTZLCai6PT8gcayTjiuENpE9T1vU ZxkCXmD4Uh24bRd3p49ggHMW0lF8e8aZaQPYHAkB9QFIHGodxcnyTXi0t OhuoEJbdk2XfbLMil6tqiVbDeVlxEQw8UjKiFY8ldKA3LOxI7JsE6p9Qt NETup2kOD1GXvTY7894oyFQZFSSe1f/wKRZfIcMVFzp9oZxSmt8YLVqKN ZOdLLbUIzAqCwgwx6rqftMDNNzp6AxVM3ytzJPhr0bIojBoyHi1Oi0IzS OkBL7MLsS0SsWMpwafbjr7LZx1ZK0ZMwNnXqbn+tRt0dJleWlX/cQNpZi A==; X-CSE-ConnectionGUID: YvUmP/6DS96E6YxtUN7H/g== X-CSE-MsgGUID: cQ255Kx/QgSL4wJ9emXKng== X-IronPort-AV: E=McAfee;i="6800,10657,11960"; a="2843079" X-IronPort-AV: E=Sophos;i="6.27,203,1787036400"; d="scan'208";a="2843079" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Nov 2026 05:04:46 -0800 X-CSE-ConnectionGUID: ZG/e5ppCQBmbif2Hmxrg9g== X-CSE-MsgGUID: wTaiDj0SRV2IAM2bDD5Njg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,203,1787036400"; d="scan'208";a="7682486" Received: from klitkey1-mobl1.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.119]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Nov 2026 05:04:43 -0800 Received: from kekkonen.localdomain (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with SMTP id 6486E121B96; Mon, 09 Nov 2026 15:04:40 +0200 (EET) Date: Mon, 9 Nov 2026 15:04:40 +0200 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: Charles Drolet Cc: devnull+b.danias.tutamail.com@kernel.org, b.danias@tutamail.com, bod@kernel.org, hansg@kernel.org, kieran.bingham@ideasonboard.com, laurent.pinchart@ideasonboard.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, rfoss@kernel.org, serin.yeh@intel.com, stable@vger.kernel.org Subject: Re: [PATCH 2/3] media: i2c: ov8856: Enable runtime PM before registering the sub-device Message-ID: References: <20261104-ov8856-pm-fixes-v1-2-1958b730ce66@tutamail.com> <20261108234557.12874-1-linux@cdrolet.dev> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261108234557.12874-1-linux@cdrolet.dev> Hi Charles, On Sun, Nov 08, 2026 at 06:45:57PM -0500, Charles Drolet wrote: > This issue occurred on my Dell Latitude 7320 Detachable about one in four > times I rebooted. After applying this patch, it didn't recur during 10 > reboots. I also ran a very similar patch for a couple of weeks without > seeing the issue. I've thought this was only a theoretical issue, while we've been fixing these it's the first time I've actually heard someone has hit this. Thanks for testing! > > Tested on Ubuntu 26.04.1 with Linux 7.4-rc1 and a patch for TPS68470 > board data. BIOS: 1.48 > > Tested-by: Charles Drolet -- Kind regards, Sakari Ailus