linux-kernel - drivers/spi/spi-rspi.c:1128:29: warning: unused variable 'rspi_rz

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Message-ID: <202009292251.CkOmX6mG-lkp@intel.com>
Date:   Tue, 29 Sep 2020 22:36:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: drivers/spi/spi-rspi.c:1128:29: warning: unused variable
 'rspi_rz_ops'

Hi Geert,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fb0155a09b0224a7147cb07a4ce6034c8d29667f
commit: 851c902fd2d09b2ed85181e74b43477b7a3882be spi: rspi: Remove obsolete platform_device_id entries
date:   10 months ago
config: x86_64-randconfig-r036-20200929 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 6d374cf78c8a80a0bbfc7ce9bc80b3f183f44c80)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=851c902fd2d09b2ed85181e74b43477b7a3882be
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 851c902fd2d09b2ed85181e74b43477b7a3882be
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> drivers/spi/spi-rspi.c:1128:29: warning: unused variable 'rspi_rz_ops' [-Wunused-const-variable]
   static const struct spi_ops rspi_rz_ops = {
                               ^
>> drivers/spi/spi-rspi.c:1136:29: warning: unused variable 'qspi_ops' [-Wunused-const-variable]
   static const struct spi_ops qspi_ops = {
                               ^
   2 warnings generated.

vim +/rspi_rz_ops +1128 drivers/spi/spi-rspi.c

426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1127  
426ef76dd8a394 Geert Uytterhoeven 2014-01-28 @1128  static const struct spi_ops rspi_rz_ops = {
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1129  	.set_config_register =	rspi_rz_set_config_register,
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1130  	.transfer_one =		rspi_rz_transfer_one,
880c6d114fd79a Geert Uytterhoeven 2014-01-30  1131  	.mode_bits =		SPI_CPHA | SPI_CPOL | SPI_LOOP,
9428a073eb703d Geert Uytterhoeven 2019-02-08  1132  	.flags =		SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX,
2f777ec91aa062 Geert Uytterhoeven 2014-06-02  1133  	.fifo_size =		8,	/* 8 for TX, 32 for RX */
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1134  };
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1135  
426ef76dd8a394 Geert Uytterhoeven 2014-01-28 @1136  static const struct spi_ops qspi_ops = {
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1137  	.set_config_register =	qspi_set_config_register,
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1138  	.transfer_one =		qspi_transfer_one,
880c6d114fd79a Geert Uytterhoeven 2014-01-30  1139  	.mode_bits =		SPI_CPHA | SPI_CPOL | SPI_LOOP |
880c6d114fd79a Geert Uytterhoeven 2014-01-30  1140  				SPI_TX_DUAL | SPI_TX_QUAD |
880c6d114fd79a Geert Uytterhoeven 2014-01-30  1141  				SPI_RX_DUAL | SPI_RX_QUAD,
9428a073eb703d Geert Uytterhoeven 2019-02-08  1142  	.flags =		SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX,
2f777ec91aa062 Geert Uytterhoeven 2014-06-02  1143  	.fifo_size =		32,
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1144  };
426ef76dd8a394 Geert Uytterhoeven 2014-01-28  1145  

:::::: The code at line 1128 was first introduced by commit
:::::: 426ef76dd8a394a0e04d096941cd9acb49539a3e spi: rspi: Add DT support

:::::: TO: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
:::::: CC: Mark Brown <broonie@...aro.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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