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 <l...@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-...@lists.01.org

Attachment: .config.gz
Description: application/gzip

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