linux-kernel - Re: [PATCH] clk: mediatek: clk-mux: Do not pass flags to clk_mux_determine_rate

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Message-ID: <202508230416.OIwROhOT-lkp@intel.com>
Date: Sat, 23 Aug 2025 04:48:32 +0800
From: kernel test robot <lkp@...el.com>
To: Chen-Yu Tsai <wenst@...omium.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Stephen Boyd <sboyd@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Chen-Yu Tsai <wenst@...omium.org>,
	linux-mediatek@...ts.infradead.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: mediatek: clk-mux: Do not pass flags to
 clk_mux_determine_rate_flags()

Hi Chen-Yu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on clk/clk-next]
[also build test WARNING on linus/master v6.17-rc2 next-20250822]
[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/Chen-Yu-Tsai/clk-mediatek-clk-mux-Do-not-pass-flags-to-clk_mux_determine_rate_flags/20250822-143106
base:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
patch link:    https://lore.kernel.org/r/20250822062854.2633133-1-wenst%40chromium.org
patch subject: [PATCH] clk: mediatek: clk-mux: Do not pass flags to clk_mux_determine_rate_flags()
config: x86_64-buildonly-randconfig-004-20250823 (https://download.01.org/0day-ci/archive/20250823/202508230416.OIwROhOT-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250823/202508230416.OIwROhOT-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508230416.OIwROhOT-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/clk/mediatek/clk-mux.c:149:22: warning: unused variable 'mux' [-Wunused-variable]
     149 |         struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);
         |                             ^~~
   1 warning generated.


vim +/mux +149 drivers/clk/mediatek/clk-mux.c

a3ae549917f163 Owen Chen                  2019-03-05  145  
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11  146  static int mtk_clk_mux_determine_rate(struct clk_hw *hw,
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11  147  				      struct clk_rate_request *req)
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11  148  {
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11 @149  	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11  150  
6c66f834fd3bf9 Chen-Yu Tsai               2025-08-22  151  	return clk_mux_determine_rate_flags(hw, req, 0);
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11  152  }
b05ea3314390e9 AngeloGioacchino Del Regno 2022-10-11  153  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki