linux-kernel - drivers/dma/dw/rzn1-dmamux.c:105:34: warning: unused variable 'rzn1_dmac

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Message-ID: <202206120706.vHMLJjkz-lkp@intel.com>
Date:   Sun, 12 Jun 2022 07:43:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Vinod Koul <vkoul@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: drivers/dma/dw/rzn1-dmamux.c:105:34: warning: unused variable
 'rzn1_dmac_match'

Hi Miquel,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0678afa6055d14799c1dc1eee47c8025eba56cab
commit: 134d9c52fca26d2d199516e915da00f0cc6adc73 dmaengine: dw: dmamux: Introduce RZN1 DMA router support
date:   3 weeks ago
config: hexagon-randconfig-r035-20220611 (https://download.01.org/0day-ci/archive/20220612/202206120706.vHMLJjkz-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ff4abe755279a3a47cc416ef80dbc900d9a98a19)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=134d9c52fca26d2d199516e915da00f0cc6adc73
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 134d9c52fca26d2d199516e915da00f0cc6adc73
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/dma/dw/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/dma/dw/rzn1-dmamux.c:105:34: warning: unused variable 'rzn1_dmac_match' [-Wunused-const-variable]
   static const struct of_device_id rzn1_dmac_match[] = {
                                    ^
   1 warning generated.


vim +/rzn1_dmac_match +105 drivers/dma/dw/rzn1-dmamux.c

   104	
 > 105	static const struct of_device_id rzn1_dmac_match[] = {
   106		{ .compatible = "renesas,rzn1-dma" },
   107		{}
   108	};
   109	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp