From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 94412220698; Thu, 10 Jul 2025 09:12:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752138771; cv=none; b=G4wGvxusZjUqtE6ij0P7CGXW2v7RJC/4oogVd9nwE3QM5krZ6TwJBqVeUKmjaCG2kOBfvf2XPPC/oiBsfQTS2VWQMywNUVasRPrJmTP4nE5uILu9QHbxuhlpBScXw+sNnSZG5BBAkWfMyyyU7mmjB5R/mkd8Mx6RLRvMbRJ+ZEY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752138771; c=relaxed/simple; bh=qyJAVh062G9WghC4ofr4Zk/CmZ0bxkKFBU+KRtZO3LI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ra3xglOtkaqj9C8tC64ep4FxjxueHl2VY7sMBydfI+Vj7dLJ5ajkZBq14KrhQlty6kANHcANev1uF3u39xKzdthO1eohQ+T+W4YSd/IO9b/VWq0Hf6WUUDR0yLtX8fvGUk53h2eaW6f57IsaQRsWR/OWeCYHKMMUEQiZY4daW6A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=KZlG7WDh; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="KZlG7WDh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752138770; x=1783674770; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qyJAVh062G9WghC4ofr4Zk/CmZ0bxkKFBU+KRtZO3LI=; b=KZlG7WDhA78A9CO2VSgjN+sbUxnWVL47+dt06C4lOIdFUYrIAMyDFmIZ /6xESRJyd2mbLAJOZowiGw9UiwCIp9E1OIWQ+GD7mekJVAtKFrdQe3jOF WcXeN7bz1lb9ZC8AGIxjIFL6v9unZryGNuxDHqs69QfZCYMEaWOXdVYsd tS17lm/+iQCIKTh1fvBp5lThw7MsfHM2/iGhcODGD+Hn3oCe9S6ZdfIa0 C1N8OqdDVSaVAMAojQK5FJ8X8PK0VnKTfxxE8ley31ZZ0zq4DuA70Y3VZ 9WONvSXdJIIIW0gWFGwwveNppvADRXT6eWTKU8+Yb+Ltb1IgXQUSwVawr g==; X-CSE-ConnectionGUID: LwGpcpZPTESZU8T7p+0Sdw== X-CSE-MsgGUID: 0VOxBatSRQijAwA0KzSaBg== X-IronPort-AV: E=McAfee;i="6800,10657,11489"; a="65863215" X-IronPort-AV: E=Sophos;i="6.16,300,1744095600"; d="scan'208";a="65863215" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2025 02:12:49 -0700 X-CSE-ConnectionGUID: 7glJjij6R4iLa4hg1dON6g== X-CSE-MsgGUID: VHkWGpgbR1+iuNTht0xrPg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,300,1744095600"; d="scan'208";a="156355552" Received: from smile.fi.intel.com ([10.237.72.52]) by fmviesa009.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2025 02:12:46 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98.2) (envelope-from ) id 1uZnKd-0000000E9W9-0G4A; Thu, 10 Jul 2025 12:12:43 +0300 Date: Thu, 10 Jul 2025 12:12:42 +0300 From: Andy Shevchenko To: Sean Nyekjaer Cc: Jean-Baptiste Maneyrol , Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] iio: imu: inv_icm42600: pm_runtime fixes + various changes Message-ID: References: <20250709-icm42pmreg-v1-0-3d0e793c99b2@geanix.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709-icm42pmreg-v1-0-3d0e793c99b2@geanix.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Jul 09, 2025 at 02:35:08PM +0200, Sean Nyekjaer wrote: > This series was triggered by "Runtime PM usage count underflow!" when > unloading the module(s). > By testing the driver in various use cases and reading code it was > obvious that it could need some tiding up. > I'm still not 100% satisfied with suspend/resume is calling directly to > vddio_enable/disable. In my mind it should be managed by pm_runtime. This patch series touches a quite sensitive area and needs a good, comprehensive tests (better done independently from the author). What have been done so far? -- With Best Regards, Andy Shevchenko