[freescale-fslc:6.6-2.0.x-imx 5875/16788] drivers/clk/imx/clk-imx8mm.c:731:23: warning: 'pll_setting_fops' defined but not used

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/Freescale/linux-fslc 6.6-2.0.x-imx
head:   ac32ba5fe66266329914d2020570364afe217bec
commit: 8edc700dd52e0961f046aa8e47e812efc10ae588 [5875/16788] Merge branch 'clock/next' into next
config: arc-randconfig-002-20240928 (https://download.01.org/0day-ci/archive/20240928/202409281817.76SrrpmP-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240928/202409281817.76SrrpmP-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409281817.76SrrpmP-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/debugfs.h:16,
                    from drivers/clk/imx/clk-imx8mm.c:9:
>> drivers/clk/imx/clk-imx8mm.c:731:23: warning: 'pll_setting_fops' defined but not used [-Wunused-const-variable=]
     731 | DEFINE_SHOW_ATTRIBUTE(pll_setting);
         |                       ^~~~~~~~~~~
   include/linux/seq_file.h:202:37: note: in definition of macro 'DEFINE_SHOW_ATTRIBUTE'
     202 | static const struct file_operations __name ## _fops = {                 \
         |                                     ^~~~~~
>> drivers/clk/imx/clk-imx8mm.c:710:26: warning: 'delta_k_fops' defined but not used [-Wunused-const-variable=]
     710 | DEFINE_DEBUGFS_ATTRIBUTE(delta_k_fops, NULL, pll_delta_k_set, "%lld\n");
         |                          ^~~~~~~~~~~~
   include/linux/debugfs.h:54:37: note: in definition of macro 'DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED'
      54 | static const struct file_operations __fops = {                          \
         |                                     ^~~~~~
   drivers/clk/imx/clk-imx8mm.c:710:1: note: in expansion of macro 'DEFINE_DEBUGFS_ATTRIBUTE'
     710 | DEFINE_DEBUGFS_ATTRIBUTE(delta_k_fops, NULL, pll_delta_k_set, "%lld\n");
         | ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/pll_setting_fops +731 drivers/clk/imx/clk-imx8mm.c

f2a9d6d7aea21e Jacky Bai 2020-04-07  696  
f2a9d6d7aea21e Jacky Bai 2020-04-07  697  static int pll_delta_k_set(void *data, u64 val)
f2a9d6d7aea21e Jacky Bai 2020-04-07  698  {
f2a9d6d7aea21e Jacky Bai 2020-04-07  699  	struct clk_hw *hw;
f2a9d6d7aea21e Jacky Bai 2020-04-07  700  	short int delta_k;
f2a9d6d7aea21e Jacky Bai 2020-04-07  701  
f2a9d6d7aea21e Jacky Bai 2020-04-07  702  	hw = data;
f2a9d6d7aea21e Jacky Bai 2020-04-07  703  	delta_k = (short int) (val & KDIV_MASK);
f2a9d6d7aea21e Jacky Bai 2020-04-07  704  
f2a9d6d7aea21e Jacky Bai 2020-04-07  705  	clk_set_delta_k(hw, val);
f2a9d6d7aea21e Jacky Bai 2020-04-07  706  
f2a9d6d7aea21e Jacky Bai 2020-04-07  707  	pr_debug("the delta k is %d\n", delta_k);
f2a9d6d7aea21e Jacky Bai 2020-04-07  708  	return 0;
f2a9d6d7aea21e Jacky Bai 2020-04-07  709  }
f2a9d6d7aea21e Jacky Bai 2020-04-07 @710  DEFINE_DEBUGFS_ATTRIBUTE(delta_k_fops, NULL, pll_delta_k_set, "%lld\n");
f2a9d6d7aea21e Jacky Bai 2020-04-07  711  
f2a9d6d7aea21e Jacky Bai 2020-04-07  712  static int pll_setting_show(struct seq_file *s, void *data)
f2a9d6d7aea21e Jacky Bai 2020-04-07  713  {
f2a9d6d7aea21e Jacky Bai 2020-04-07  714  	struct clk_hw *hw;
f2a9d6d7aea21e Jacky Bai 2020-04-07  715  	u32 pll_div_ctrl0, pll_div_ctrl1;
f2a9d6d7aea21e Jacky Bai 2020-04-07  716  	u32 mdiv, pdiv, sdiv, kdiv;
f2a9d6d7aea21e Jacky Bai 2020-04-07  717  
f2a9d6d7aea21e Jacky Bai 2020-04-07  718  	hw = s->private;;
f2a9d6d7aea21e Jacky Bai 2020-04-07  719  
f2a9d6d7aea21e Jacky Bai 2020-04-07  720  	clk_get_pll_setting(hw, &pll_div_ctrl0, &pll_div_ctrl1);
f2a9d6d7aea21e Jacky Bai 2020-04-07  721  	mdiv = (pll_div_ctrl0 & MDIV_MASK) >> MDIV_SHIFT;
f2a9d6d7aea21e Jacky Bai 2020-04-07  722  	pdiv = (pll_div_ctrl0 & PDIV_MASK) >> PDIV_SHIFT;
f2a9d6d7aea21e Jacky Bai 2020-04-07  723  	sdiv = (pll_div_ctrl0 & SDIV_MASK) >> SDIV_SHIFT;
f2a9d6d7aea21e Jacky Bai 2020-04-07  724  	kdiv = (pll_div_ctrl1 & KDIV_MASK);
f2a9d6d7aea21e Jacky Bai 2020-04-07  725  
f2a9d6d7aea21e Jacky Bai 2020-04-07  726  	seq_printf(s, "Mdiv: 0x%x; Pdiv: 0x%x; Sdiv: 0x%x; Kdiv: 0x%x\n",
f2a9d6d7aea21e Jacky Bai 2020-04-07  727  		mdiv, pdiv, sdiv, kdiv);
f2a9d6d7aea21e Jacky Bai 2020-04-07  728  
f2a9d6d7aea21e Jacky Bai 2020-04-07  729  	return 0;
f2a9d6d7aea21e Jacky Bai 2020-04-07  730  }
f2a9d6d7aea21e Jacky Bai 2020-04-07 @731  DEFINE_SHOW_ATTRIBUTE(pll_setting);
f2a9d6d7aea21e Jacky Bai 2020-04-07  732  

:::::: The code at line 731 was first introduced by commit
:::::: f2a9d6d7aea21e1aaa348eb588bc8022babe83c7 MLK-23751 clk: imx: Add audio PLL debug fs for K-divider monitor control

:::::: TO: Jacky Bai <ping.bai@nxp.com>
:::::: CC: Dong Aisheng <aisheng.dong@nxp.com>

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