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X-IronPort-AV: E=McAfee;i="6600,9927,10946"; a="4835143" X-IronPort-AV: E=Sophos;i="6.04,339,1695711600"; d="scan'208";a="4835143" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jan 2024 09:45:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.04,339,1695711600"; d="scan'208";a="22950749" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orviesa002.jf.intel.com with ESMTP; 07 Jan 2024 09:45:34 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rMXDH-0003z1-0W; Sun, 07 Jan 2024 17:45:31 +0000 Date: Mon, 8 Jan 2024 01:45:12 +0800 From: kernel test robot To: =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Matthias Brugger , Srinivas Kandagatla Subject: drivers/nvmem/meson-efuse.c:78:12: warning: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type Message-ID: <202401080110.6j92FbQa-lkp@intel.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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Hi Rafał, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 52b1853b080a082ec3749c3a9577f6c71b1d4a90 commit: 28fc7c986f01fdcfd28af648be2597624cac0e27 nvmem: prefix all symbols with NVMEM_ date: 1 year, 3 months ago config: arm64-randconfig-001-20240107 (https://download.01.org/0day-ci/archive/20240108/202401080110.6j92FbQa-lkp@intel.com/config) compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project 7e186d366d6c7def0543acc255931f617e76dff0) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240108/202401080110.6j92FbQa-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/202401080110.6j92FbQa-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/nvmem/meson-efuse.c:78:12: warning: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Wcast-function-type-strict] 78 | (void(*)(void *))clk_disable_unprepare, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +78 drivers/nvmem/meson-efuse.c ad855eae6caf0d Carlo Caione 2016-08-27 40 ad855eae6caf0d Carlo Caione 2016-08-27 41 static int meson_efuse_probe(struct platform_device *pdev) ad855eae6caf0d Carlo Caione 2016-08-27 42 { 401488d121a4ec Jerome Brunet 2018-05-11 43 struct device *dev = &pdev->dev; 8cde3c2153e8f5 Carlo Caione 2019-07-31 44 struct meson_sm_firmware *fw; 8cde3c2153e8f5 Carlo Caione 2019-07-31 45 struct device_node *sm_np; ad855eae6caf0d Carlo Caione 2016-08-27 46 struct nvmem_device *nvmem; 401488d121a4ec Jerome Brunet 2018-05-11 47 struct nvmem_config *econfig; 611fbca1c86197 Jerome Brunet 2018-11-30 48 struct clk *clk; ad855eae6caf0d Carlo Caione 2016-08-27 49 unsigned int size; 611fbca1c86197 Jerome Brunet 2018-11-30 50 int ret; 611fbca1c86197 Jerome Brunet 2018-11-30 51 8cde3c2153e8f5 Carlo Caione 2019-07-31 52 sm_np = of_parse_phandle(pdev->dev.of_node, "secure-monitor", 0); 8cde3c2153e8f5 Carlo Caione 2019-07-31 53 if (!sm_np) { 8cde3c2153e8f5 Carlo Caione 2019-07-31 54 dev_err(&pdev->dev, "no secure-monitor node\n"); 8cde3c2153e8f5 Carlo Caione 2019-07-31 55 return -ENODEV; 8cde3c2153e8f5 Carlo Caione 2019-07-31 56 } 8cde3c2153e8f5 Carlo Caione 2019-07-31 57 8cde3c2153e8f5 Carlo Caione 2019-07-31 58 fw = meson_sm_get(sm_np); 8cde3c2153e8f5 Carlo Caione 2019-07-31 59 of_node_put(sm_np); 8cde3c2153e8f5 Carlo Caione 2019-07-31 60 if (!fw) 8cde3c2153e8f5 Carlo Caione 2019-07-31 61 return -EPROBE_DEFER; 8cde3c2153e8f5 Carlo Caione 2019-07-31 62 611fbca1c86197 Jerome Brunet 2018-11-30 63 clk = devm_clk_get(dev, NULL); 611fbca1c86197 Jerome Brunet 2018-11-30 64 if (IS_ERR(clk)) { 611fbca1c86197 Jerome Brunet 2018-11-30 65 ret = PTR_ERR(clk); 611fbca1c86197 Jerome Brunet 2018-11-30 66 if (ret != -EPROBE_DEFER) 611fbca1c86197 Jerome Brunet 2018-11-30 67 dev_err(dev, "failed to get efuse gate"); 611fbca1c86197 Jerome Brunet 2018-11-30 68 return ret; 611fbca1c86197 Jerome Brunet 2018-11-30 69 } 611fbca1c86197 Jerome Brunet 2018-11-30 70 611fbca1c86197 Jerome Brunet 2018-11-30 71 ret = clk_prepare_enable(clk); 611fbca1c86197 Jerome Brunet 2018-11-30 72 if (ret) { 611fbca1c86197 Jerome Brunet 2018-11-30 73 dev_err(dev, "failed to enable gate"); 611fbca1c86197 Jerome Brunet 2018-11-30 74 return ret; 611fbca1c86197 Jerome Brunet 2018-11-30 75 } 611fbca1c86197 Jerome Brunet 2018-11-30 76 611fbca1c86197 Jerome Brunet 2018-11-30 77 ret = devm_add_action_or_reset(dev, 611fbca1c86197 Jerome Brunet 2018-11-30 @78 (void(*)(void *))clk_disable_unprepare, 611fbca1c86197 Jerome Brunet 2018-11-30 79 clk); 611fbca1c86197 Jerome Brunet 2018-11-30 80 if (ret) { 611fbca1c86197 Jerome Brunet 2018-11-30 81 dev_err(dev, "failed to add disable callback"); 611fbca1c86197 Jerome Brunet 2018-11-30 82 return ret; 611fbca1c86197 Jerome Brunet 2018-11-30 83 } ad855eae6caf0d Carlo Caione 2016-08-27 84 8cde3c2153e8f5 Carlo Caione 2019-07-31 85 if (meson_sm_call(fw, SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0) { 8649dbe58d359c Jerome Brunet 2018-11-30 86 dev_err(dev, "failed to get max user"); ad855eae6caf0d Carlo Caione 2016-08-27 87 return -EINVAL; 8649dbe58d359c Jerome Brunet 2018-11-30 88 } ad855eae6caf0d Carlo Caione 2016-08-27 89 401488d121a4ec Jerome Brunet 2018-05-11 90 econfig = devm_kzalloc(dev, sizeof(*econfig), GFP_KERNEL); 401488d121a4ec Jerome Brunet 2018-05-11 91 if (!econfig) 401488d121a4ec Jerome Brunet 2018-05-11 92 return -ENOMEM; 401488d121a4ec Jerome Brunet 2018-05-11 93 401488d121a4ec Jerome Brunet 2018-05-11 94 econfig->dev = dev; 401488d121a4ec Jerome Brunet 2018-05-11 95 econfig->name = dev_name(dev); 401488d121a4ec Jerome Brunet 2018-05-11 96 econfig->stride = 1; 401488d121a4ec Jerome Brunet 2018-05-11 97 econfig->word_size = 1; 401488d121a4ec Jerome Brunet 2018-05-11 98 econfig->reg_read = meson_efuse_read; e55077307d6f7c Jerome Brunet 2018-05-11 99 econfig->reg_write = meson_efuse_write; 401488d121a4ec Jerome Brunet 2018-05-11 100 econfig->size = size; 8cde3c2153e8f5 Carlo Caione 2019-07-31 101 econfig->priv = fw; ad855eae6caf0d Carlo Caione 2016-08-27 102 401488d121a4ec Jerome Brunet 2018-05-11 103 nvmem = devm_nvmem_register(&pdev->dev, econfig); ad855eae6caf0d Carlo Caione 2016-08-27 104 90696a4097e35f Andrey Smirnov 2018-03-09 105 return PTR_ERR_OR_ZERO(nvmem); ad855eae6caf0d Carlo Caione 2016-08-27 106 } ad855eae6caf0d Carlo Caione 2016-08-27 107 :::::: The code at line 78 was first introduced by commit :::::: 611fbca1c861976e95a5244acf9f40bb0981977c nvmem: meson-efuse: add peripheral clock :::::: TO: Jerome Brunet :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki