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 81AA539ACC for ; Mon, 26 Aug 2024 13:41:09 +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=1724679671; cv=none; b=Ao8WkAgfjwrFb93asnS/xRh+gSvc01RJDV4fk4+ffqirTCcLshZWX71Z1TXoGh2HUENu8sMPBzcYbMvpokTAaXJ0NTo6V/aGpmIlwOF6rP25kMOtpviJKhvD/c1TkwFmRWpqqDF7mn9Vwm2nMC0Bylg82fdha3kCWr3Tyq5GTH0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724679671; c=relaxed/simple; bh=QjiuMEY23AtkS1V1uCfTFZCcmenzK+Ss7tEr0SEksHQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KD7lTjzU0IGB/PWrL0lRCb+E0kR+eW+vCApG8kAYUrrfXoA9f7m82QIhWXCt7cSDRpBCOYhDLZCwj8nr5saOri8aTtfKfUBJpgyjuttt6mJKxPU1q2gxNwmkAruRg3rK7uk5C1AehPZtXKQnXcEhynhpwiEzNjibllnlDzNIa+g= 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=HjQzWRDq; 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="HjQzWRDq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724679670; x=1756215670; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=QjiuMEY23AtkS1V1uCfTFZCcmenzK+Ss7tEr0SEksHQ=; b=HjQzWRDqYfZpG+9B4fcxlOWl/jVNTB0KqMiI3TYqBHSastHxOizvjCSt o1/rZNPLCCf22i0nBgqQjQfF7ElZW3zvEzVIAVVSLdakdnq5kRdvKtNDm LKN7Czs5DGn0Wq7Q8MU8mW+2KbNTu6gKvCfUg5y9GaC25BqXin8Vd96Ix fiOcZ+RsX6G8hEGv5Dt5vDSrbJpuXnS1GiLKq5flbONB17Q0fGJQWPc75 c4PMpbh1QtxHz8HZtMzIFV5bMYH0WAWDLsS8xeWWhM3CUIXULX6t9MiSo WfiWoM6NG3514G+UvqhXwWvHznncJfIwHnOPLeR6jHSBVpTh9xiCj+zEm A==; X-CSE-ConnectionGUID: ZH7v9JizQDeH4O6yKlI+QA== X-CSE-MsgGUID: BZktonuUR/6+OWsQ5gYTsw== X-IronPort-AV: E=McAfee;i="6700,10204,11176"; a="34512881" X-IronPort-AV: E=Sophos;i="6.10,177,1719903600"; d="scan'208";a="34512881" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2024 06:41:09 -0700 X-CSE-ConnectionGUID: 8YJN0S8uTc6HOF/BW4FTeQ== X-CSE-MsgGUID: kNYjS9Z3R36eZNkt/t7TGg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,177,1719903600"; d="scan'208";a="62483237" Received: from lkp-server01.sh.intel.com (HELO 9a732dc145d3) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 26 Aug 2024 06:41:07 -0700 Received: from kbuild by 9a732dc145d3 with local (Exim 4.96) (envelope-from ) id 1siZxw-000H9C-2C; Mon, 26 Aug 2024 13:41:04 +0000 Date: Mon, 26 Aug 2024 21:41:01 +0800 From: kernel test robot To: Kunwu Chan , nipun.gupta@amd.com, nikhil.agarwal@amd.com Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Kunwu Chan , Greg Kroah-Hartman Subject: Re: [PATCH] cdx: make cdx_bus_type constant Message-ID: <202408262114.VRSL0Knh-lkp@intel.com> References: <20240823071412.130246-1-kunwu.chan@linux.dev> 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: <20240823071412.130246-1-kunwu.chan@linux.dev> Hi Kunwu, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.11-rc5 next-20240826] [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/Kunwu-Chan/cdx-make-cdx_bus_type-constant/20240826-123621 base: linus/master patch link: https://lore.kernel.org/r/20240823071412.130246-1-kunwu.chan%40linux.dev patch subject: [PATCH] cdx: make cdx_bus_type constant config: arm64-randconfig-002-20240826 (https://download.01.org/0day-ci/archive/20240826/202408262114.VRSL0Knh-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240826/202408262114.VRSL0Knh-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/202408262114.VRSL0Knh-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/cdx/cdx.c: In function 'rescan_store': >> drivers/cdx/cdx.c:615:32: warning: passing argument 1 of 'cdx_unregister_devices' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 615 | cdx_unregister_devices(&cdx_bus_type); | ^~~~~~~~~~~~~ drivers/cdx/cdx.c:173:53: note: expected 'struct bus_type *' but argument is of type 'const struct bus_type *' 173 | static void cdx_unregister_devices(struct bus_type *bus) | ~~~~~~~~~~~~~~~~~^~~ vim +615 drivers/cdx/cdx.c cf60af04edfe51f Abhijit Gangurde 2023-12-22 597 d06f5a3f7140921 Linus Torvalds 2023-04-27 598 static ssize_t rescan_store(const struct bus_type *bus, 2959ab247061e67 Nipun Gupta 2023-03-13 599 const char *buf, size_t count) 2959ab247061e67 Nipun Gupta 2023-03-13 600 { 2959ab247061e67 Nipun Gupta 2023-03-13 601 struct cdx_controller *cdx; 54b406e10f0334e Abhijit Gangurde 2023-10-17 602 struct platform_device *pd; 54b406e10f0334e Abhijit Gangurde 2023-10-17 603 struct device_node *np; 2959ab247061e67 Nipun Gupta 2023-03-13 604 bool val; 2959ab247061e67 Nipun Gupta 2023-03-13 605 2959ab247061e67 Nipun Gupta 2023-03-13 606 if (kstrtobool(buf, &val) < 0) 2959ab247061e67 Nipun Gupta 2023-03-13 607 return -EINVAL; 2959ab247061e67 Nipun Gupta 2023-03-13 608 2959ab247061e67 Nipun Gupta 2023-03-13 609 if (!val) 2959ab247061e67 Nipun Gupta 2023-03-13 610 return -EINVAL; 2959ab247061e67 Nipun Gupta 2023-03-13 611 f0af816834667b6 Abhijit Gangurde 2023-10-17 612 mutex_lock(&cdx_controller_lock); f0af816834667b6 Abhijit Gangurde 2023-10-17 613 2959ab247061e67 Nipun Gupta 2023-03-13 614 /* Unregister all the devices on the bus */ 2959ab247061e67 Nipun Gupta 2023-03-13 @615 cdx_unregister_devices(&cdx_bus_type); 2959ab247061e67 Nipun Gupta 2023-03-13 616 2959ab247061e67 Nipun Gupta 2023-03-13 617 /* Rescan all the devices */ 54b406e10f0334e Abhijit Gangurde 2023-10-17 618 for_each_compatible_node(np, NULL, compat_node_name) { 54b406e10f0334e Abhijit Gangurde 2023-10-17 619 pd = of_find_device_by_node(np); 87736ae12e1427b Dan Carpenter 2024-01-02 620 if (!pd) { 87736ae12e1427b Dan Carpenter 2024-01-02 621 of_node_put(np); 1960932eef9183e Dan Carpenter 2024-01-02 622 count = -EINVAL; 1960932eef9183e Dan Carpenter 2024-01-02 623 goto unlock; 87736ae12e1427b Dan Carpenter 2024-01-02 624 } 54b406e10f0334e Abhijit Gangurde 2023-10-17 625 54b406e10f0334e Abhijit Gangurde 2023-10-17 626 cdx = platform_get_drvdata(pd); 54b406e10f0334e Abhijit Gangurde 2023-10-17 627 if (cdx && cdx->controller_registered && cdx->ops->scan) 54b406e10f0334e Abhijit Gangurde 2023-10-17 628 cdx->ops->scan(cdx); 54b406e10f0334e Abhijit Gangurde 2023-10-17 629 54b406e10f0334e Abhijit Gangurde 2023-10-17 630 put_device(&pd->dev); 2959ab247061e67 Nipun Gupta 2023-03-13 631 } 2959ab247061e67 Nipun Gupta 2023-03-13 632 1960932eef9183e Dan Carpenter 2024-01-02 633 unlock: f0af816834667b6 Abhijit Gangurde 2023-10-17 634 mutex_unlock(&cdx_controller_lock); f0af816834667b6 Abhijit Gangurde 2023-10-17 635 2959ab247061e67 Nipun Gupta 2023-03-13 636 return count; 2959ab247061e67 Nipun Gupta 2023-03-13 637 } 2959ab247061e67 Nipun Gupta 2023-03-13 638 static BUS_ATTR_WO(rescan); 2959ab247061e67 Nipun Gupta 2023-03-13 639 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki