From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 E4B233E0C73; Thu, 16 Apr 2026 15:33:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776353651; cv=none; b=NHSdLdjDscvIETF4ePQJuP4LV4iUysKOPmVCHjrZUMsUT3jElHQh0Wax2sjXdRsbejQ+7Fiu4nBwDp9bNQR7KuuPxKiHU/7VnWIXpDkhYQH8FohwttpDO4CfNQ1SQNMx+5m/lVFBI+Jo7WsMr1HN4Hxh+L6Qn0m0M0CCWgX5un0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776353651; c=relaxed/simple; bh=bKhpoctZ+cnz2//l4tn7baT/QuY1alwN7dsWjpTbWeM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Lx0228lSAgbY4BFtnWRX1BUxZxnuCJRFJ0TxguNJW8t1Ds8WbY8EomzoypLK2iY2hVslEGXjs/x3UmhB2F0EF6e2V0x6HXBItznOIHHbVvV5azEJpVzebVSEmWrZgnDgi34+rbmFpgDZyV7arxi1wynvffPrXEG6fGwnhK6l5Zc= 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=BngMx7wn; arc=none smtp.client-ip=192.198.163.10 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="BngMx7wn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776353640; x=1807889640; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bKhpoctZ+cnz2//l4tn7baT/QuY1alwN7dsWjpTbWeM=; b=BngMx7wn8LsVSBYmOgn+5egCkl9uqdoqdR/Co3YqeInSQpy0PvTe95wo cnGVrEdo/PWN4e1TWUJgwlVJRKqVGtx8b+IbmgVaMcqPxE5UjoHUCBRX1 GrgwIM/HplL27ch9UY3TdtHr2sAZuVofkApLt5W64vRqojiYYqk9mj9Gr W6ZoTee9uC1aBVA0ap4X0C3EXgS22YZ01z/7GbpQcr5JNPZ0Z65jnD79k juH4z8FwN3/2C1KQqfVg0jXQilnGnuDgyXYK0iEc8PhJkv86ogctxilYP Hm8DUAGlORofALhcaW1gLLEdt99cB5hRCnGE87nVGCtKq7mvzoHMGlr08 g==; X-CSE-ConnectionGUID: +gGudi58TGa6kfBaX5rg7Q== X-CSE-MsgGUID: eBdKcK4tToa9DmIfXXm7Xg== X-IronPort-AV: E=McAfee;i="6800,10657,11760"; a="88741639" X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="88741639" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2026 08:33:59 -0700 X-CSE-ConnectionGUID: KfJxxmkZQKqQPhX/9mCByw== X-CSE-MsgGUID: G4D8kRuKSP+TDijrmDZrdQ== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 7f3b36e5d6a5) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 16 Apr 2026 08:33:57 -0700 Received: from kbuild by 7f3b36e5d6a5 with local (Exim 4.98.2) (envelope-from ) id 1wDOj4-000000001hK-3glL; Thu, 16 Apr 2026 15:33:54 +0000 Date: Thu, 16 Apr 2026 23:33:35 +0800 From: kernel test robot To: Sanjay Chitroda , jic23@kernel.org Cc: oe-kbuild-all@lists.linux.dev, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iio: accel: mma8452: use pm_ptr() for dev_pm_ops Message-ID: <202604162323.4pYsEj7A-lkp@intel.com> References: <20260414192045.3598010-1-sanjayembedded@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260414192045.3598010-1-sanjayembedded@gmail.com> Hi Sanjay, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v7.0 next-20260415] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Sanjay-Chitroda/iio-accel-mma8452-use-pm_ptr-for-dev_pm_ops/20260416-061819 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20260414192045.3598010-1-sanjayembedded%40gmail.com patch subject: [PATCH] iio: accel: mma8452: use pm_ptr() for dev_pm_ops config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20260416/202604162323.4pYsEj7A-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260416/202604162323.4pYsEj7A-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202604162323.4pYsEj7A-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iio/accel/mma8452.c:1776:12: warning: 'mma8452_runtime_resume' defined but not used [-Wunused-function] 1776 | static int mma8452_runtime_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/accel/mma8452.c:1747:12: warning: 'mma8452_runtime_suspend' defined but not used [-Wunused-function] 1747 | static int mma8452_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/mma8452_runtime_resume +1776 drivers/iio/accel/mma8452.c c7eeea93ac60ab Peter Meerwald 2014-02-05 1746 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 @1747 static int mma8452_runtime_suspend(struct device *dev) 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1748 { 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1749 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1750 struct mma8452_data *data = iio_priv(indio_dev); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1751 int ret; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1752 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1753 mutex_lock(&data->lock); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1754 ret = mma8452_standby(data); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1755 mutex_unlock(&data->lock); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1756 if (ret < 0) { 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1757 dev_err(&data->client->dev, "powering off device failed\n"); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1758 return -EAGAIN; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1759 } 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1760 f6ff49b8a3b6f7 Anson Huang 2019-01-08 1761 ret = regulator_disable(data->vddio_reg); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1762 if (ret) { f6ff49b8a3b6f7 Anson Huang 2019-01-08 1763 dev_err(dev, "failed to disable VDDIO regulator\n"); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1764 return ret; f6ff49b8a3b6f7 Anson Huang 2019-01-08 1765 } f6ff49b8a3b6f7 Anson Huang 2019-01-08 1766 f6ff49b8a3b6f7 Anson Huang 2019-01-08 1767 ret = regulator_disable(data->vdd_reg); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1768 if (ret) { f6ff49b8a3b6f7 Anson Huang 2019-01-08 1769 dev_err(dev, "failed to disable VDD regulator\n"); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1770 return ret; f6ff49b8a3b6f7 Anson Huang 2019-01-08 1771 } f6ff49b8a3b6f7 Anson Huang 2019-01-08 1772 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1773 return 0; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1774 } 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1775 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 @1776 static int mma8452_runtime_resume(struct device *dev) 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1777 { 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1778 struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1779 struct mma8452_data *data = iio_priv(indio_dev); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1780 int ret, sleep_val; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1781 f6ff49b8a3b6f7 Anson Huang 2019-01-08 1782 ret = regulator_enable(data->vdd_reg); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1783 if (ret) { f6ff49b8a3b6f7 Anson Huang 2019-01-08 1784 dev_err(dev, "failed to enable VDD regulator\n"); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1785 return ret; f6ff49b8a3b6f7 Anson Huang 2019-01-08 1786 } f6ff49b8a3b6f7 Anson Huang 2019-01-08 1787 f6ff49b8a3b6f7 Anson Huang 2019-01-08 1788 ret = regulator_enable(data->vddio_reg); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1789 if (ret) { f6ff49b8a3b6f7 Anson Huang 2019-01-08 1790 dev_err(dev, "failed to enable VDDIO regulator\n"); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1791 regulator_disable(data->vdd_reg); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1792 return ret; f6ff49b8a3b6f7 Anson Huang 2019-01-08 1793 } f6ff49b8a3b6f7 Anson Huang 2019-01-08 1794 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1795 ret = mma8452_active(data); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1796 if (ret < 0) f6ff49b8a3b6f7 Anson Huang 2019-01-08 1797 goto runtime_resume_failed; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1798 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1799 ret = mma8452_get_odr_index(data); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1800 sleep_val = 1000 / mma8452_samp_freq[ret][0]; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1801 if (sleep_val < 20) 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1802 usleep_range(sleep_val * 1000, 20000); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1803 else 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1804 msleep_interruptible(sleep_val); 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1805 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1806 return 0; 96c0cb2bbfe0a5 Martin Kepplinger 2016-03-03 1807 f6ff49b8a3b6f7 Anson Huang 2019-01-08 1808 runtime_resume_failed: f6ff49b8a3b6f7 Anson Huang 2019-01-08 1809 regulator_disable(data->vddio_reg); f6ff49b8a3b6f7 Anson Huang 2019-01-08 1810 regulator_disable(data->vdd_reg); c7eeea93ac60ab Peter Meerwald 2014-02-05 1811 f6ff49b8a3b6f7 Anson Huang 2019-01-08 1812 return ret; c7eeea93ac60ab Peter Meerwald 2014-02-05 1813 } c7eeea93ac60ab Peter Meerwald 2014-02-05 1814 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki