linux-kernel - drivers/spi/spi-rspi.c:1136:29: warning: 'qspi

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Date:   Mon, 20 Feb 2023 16:05:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: drivers/spi/spi-rspi.c:1136:29: warning: 'qspi_ops' defined but not
 used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c9c3395d5e3dcc6daee66c6908354d47bf98cb0c
commit: 851c902fd2d09b2ed85181e74b43477b7a3882be spi: rspi: Remove obsolete platform_device_id entries
date:   3 years, 2 months ago
config: x86_64-buildonly-randconfig-r004-20230220 (https://download.01.org/0day-ci/archive/20230220/202302201551.l6HP3T7S-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # 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 config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/clk/imx/ drivers/hwspinlock/ drivers/mmc/host/ drivers/spi/ drivers/usb/phy/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302201551.l6HP3T7S-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/spi/spi-rspi.c:1136:29: warning: 'qspi_ops' defined but not used [-Wunused-const-variable=]
    1136 | static const struct spi_ops qspi_ops = {
         |                             ^~~~~~~~
>> drivers/spi/spi-rspi.c:1128:29: warning: 'rspi_rz_ops' defined but not used [-Wunused-const-variable=]
    1128 | static const struct spi_ops rspi_rz_ops = {
         |                             ^~~~~~~~~~~


vim +/qspi_ops +1136 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 1136 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>

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