linux-kernel - drivers/gpu/drm/solomon/ssd130x-spi.c:154:35: warning: unused variable 'ssd130x_spi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 29 May 2022 04:58:25 +0800
From:   kernel test robot <lkp@...el.com>
To:     Javier Martinez Canillas <javierm@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: drivers/gpu/drm/solomon/ssd130x-spi.c:154:35: warning: unused
 variable 'ssd130x_spi_table'

Hi Javier,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9d004b2f4fea97cde123e7f1939b80e77bf2e695
commit: 74373977d2ca26e5735377f8874be70bc2f030f5 drm/solomon: Add SSD130x OLED displays SPI support
date:   5 weeks ago
config: hexagon-randconfig-r033-20220529 (https://download.01.org/0day-ci/archive/20220529/202205290422.eoxGqDMR-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0fbe3f3f486e01448121f7931a4ca29fac1504ab)
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=74373977d2ca26e5735377f8874be70bc2f030f5
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 74373977d2ca26e5735377f8874be70bc2f030f5
        # 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/gpu/drm/solomon/

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/gpu/drm/solomon/ssd130x-spi.c:154:35: warning: unused variable 'ssd130x_spi_table' [-Wunused-const-variable]
   static const struct spi_device_id ssd130x_spi_table[] = {
                                     ^
   1 warning generated.


vim +/ssd130x_spi_table +154 drivers/gpu/drm/solomon/ssd130x-spi.c

   145	
   146	/*
   147	 * The SPI core always reports a MODALIAS uevent of the form "spi:<dev>", even
   148	 * if the device was registered via OF. This means that the module will not be
   149	 * auto loaded, unless it contains an alias that matches the MODALIAS reported.
   150	 *
   151	 * To workaround this issue, add a SPI device ID table. Even when this should
   152	 * not be needed for this driver to match the registered SPI devices.
   153	 */
 > 154	static const struct spi_device_id ssd130x_spi_table[] = {
   155		{ "sh1106",  SH1106_ID },
   156		{ "ssd1305", SSD1305_ID },
   157		{ "ssd1306", SSD1306_ID },
   158		{ "ssd1307", SSD1307_ID },
   159		{ "ssd1309", SSD1309_ID },
   160		{ /* sentinel */ }
   161	};
   162	MODULE_DEVICE_TABLE(spi, ssd130x_spi_table);
   163	

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