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Wed, 30 Apr 2025 07:50:02 +0000 Date: Wed, 30 Apr 2025 15:49:54 +0800 From: Philip Li To: Geert Uytterhoeven CC: Krzysztof Kozlowski , kernel test robot , , , Mark Brown Subject: Re: sound/soc/qcom/sdw.c:93: warning: cannot understand function prototype: 'ret = sdw_enable_stream(sruntime); ' Message-ID: References: <202504262154.sBmNTrcB-lkp@intel.com> <84fd01d9-d320-4296-9c42-0fb5238a8505@kernel.org> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: SG2PR04CA0169.apcprd04.prod.outlook.com (2603:1096:4::31) To PH0PR11MB5674.namprd11.prod.outlook.com (2603:10b6:510:ec::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR11MB5674:EE_|DS0PR11MB6399:EE_ X-MS-Office365-Filtering-Correlation-Id: 842ee7c7-43c1-4214-918c-08dd87bb9d6f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; 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' > > > > This looks like compiler issue. I check the config and SOUNDWIRE is > > selected thus sdw_enable_stream() is reachable. I also cannot reproduce > > it sh4-linux-gnu-gcc v14.2. > > I also couldn't reproduce it, using the specified commit ID and > the reproducer instructions, with gcc versions 12.3.0 (Ubuntu > 12.3.0-17ubuntu1) and 13.3.0 (Ubuntu 13.3.0-6ubuntu2~24.04). Sorry for the false positive, it does appear during the bisection process and results in this first bad commit, which could be related to kernel-doc. But fail to reproduce it now as well on gcc-12.4. We will follow up to further check the bisection process and reproduce steps. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds >