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Subjectdrivers/spi/spi-meson-spicc.c:363:6: warning: variable 'data' set but not used
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9cb1fd0efd195590b828b9b865421ad345a4a145
commit: 0eb707ac7dd7a4329d93d47feada6c9bb5ea8ee9 spi: meson-spicc: adapt burst handling for G12A support
date: 2 months ago
config: h8300-randconfig-r006-20200526 (attached as .config)
compiler: h8300-linux-gcc (GCC) 9.3.0
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
git checkout 0eb707ac7dd7a4329d93d47feada6c9bb5ea8ee9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/spi/spi-meson-spicc.c: In function 'meson_spicc_reset_fifo':
>> drivers/spi/spi-meson-spicc.c:363:6: warning: variable 'data' set but not used [-Wunused-but-set-variable]
363 | u32 data;
| ^~~~

vim +/data +363 drivers/spi/spi-meson-spicc.c

360
361 static void meson_spicc_reset_fifo(struct meson_spicc_device *spicc)
362 {
> 363 u32 data;
364
365 if (spicc->data->has_oen)
366 writel_bits_relaxed(SPICC_ENH_MAIN_CLK_AO,
367 SPICC_ENH_MAIN_CLK_AO,
368 spicc->base + SPICC_ENH_CTL0);
369
370 writel_bits_relaxed(SPICC_FIFORST_W1_MASK, SPICC_FIFORST_W1_MASK,
371 spicc->base + SPICC_TESTREG);
372
373 while (meson_spicc_rxready(spicc))
374 data = readl_relaxed(spicc->base + SPICC_RXDATA);
375
376 if (spicc->data->has_oen)
377 writel_bits_relaxed(SPICC_ENH_MAIN_CLK_AO, 0,
378 spicc->base + SPICC_ENH_CTL0);
379 }
380

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