[freescale-fslc:6.6-2.0.x-imx 5875/16788] arch/arm/mach-imx/mach-imx7ulp.c:22:24: warning: 'mx7ulp_io_desc' defined but not used

[freescale-fslc:6.6-2.0.x-imx 5875/16788] arch/arm/mach-imx/mach-imx7ulp.c:22:24: warning: 'mx7ulp_io_desc' defined but not used

[kernel test robot]

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: arm-randconfig-001-20240928 (https://download.01.org/0day-ci/archive/20240928/202409282245.vUXo49RF-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240928/202409282245.vUXo49RF-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/202409282245.vUXo49RF-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm/mach-imx/mach-imx7ulp.c:22:24: warning: 'mx7ulp_io_desc' defined but not used [-Wunused-variable]
      22 | static struct map_desc mx7ulp_io_desc[] __initdata = {
         |                        ^~~~~~~~~~~~~~
   In file included from arch/arm/mach-imx/mach-imx7ulp.c:15:
   arch/arm/mach-imx/common.h:164:18: warning: 'imx53_suspend_sz' defined but not used [-Wunused-const-variable=]
     164 | static const u32 imx53_suspend_sz;
         |                  ^~~~~~~~~~~~~~~~
--
>> arch/arm/mach-imx/pm-imx7ulp.c:649:13: warning: no previous prototype for 'imx7ulp_pm_common_init' [-Wmissing-prototypes]
     649 | void __init imx7ulp_pm_common_init(const struct imx7ulp_pm_socdata
         |             ^~~~~~~~~~~~~~~~~~~~~~
   In file included from arch/arm/mach-imx/pm-imx7ulp.c:34:
   arch/arm/mach-imx/common.h:164:18: warning: 'imx53_suspend_sz' defined but not used [-Wunused-const-variable=]
     164 | static const u32 imx53_suspend_sz;
         |                  ^~~~~~~~~~~~~~~~
--
   arch/arm/mach-imx/busfreq_ddr3.c:217:5: warning: no previous prototype for 'can_change_ddr_freq' [-Wmissing-prototypes]
     217 | int can_change_ddr_freq(void)
         |     ^~~~~~~~~~~~~~~~~~~
   arch/arm/mach-imx/busfreq_ddr3.c:254:5: warning: no previous prototype for 'update_ddr_freq_imx_smp' [-Wmissing-prototypes]
     254 | int update_ddr_freq_imx_smp(int ddr_rate)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/busfreq_ddr3.c:379:5: warning: no previous prototype for 'update_ddr_freq_imx6_up' [-Wmissing-prototypes]
     379 | int update_ddr_freq_imx6_up(int ddr_rate)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   arch/arm/mach-imx/busfreq_ddr3.c:424:5: warning: no previous prototype for 'init_ddrc_ddr_settings' [-Wmissing-prototypes]
     424 | int init_ddrc_ddr_settings(struct platform_device *busfreq_pdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/busfreq_ddr3.c:496:5: warning: no previous prototype for 'init_mmdc_ddr3_settings_imx6_up' [-Wmissing-prototypes]
     496 | int init_mmdc_ddr3_settings_imx6_up(struct platform_device *busfreq_pdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/busfreq_ddr3.c:593:5: warning: no previous prototype for 'init_mmdc_ddr3_settings_imx6_smp' [-Wmissing-prototypes]
     593 | int init_mmdc_ddr3_settings_imx6_smp(struct platform_device *busfreq_pdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from arch/arm/mach-imx/busfreq_ddr3.c:48:
   arch/arm/mach-imx/common.h:164:18: warning: 'imx53_suspend_sz' defined but not used [-Wunused-const-variable=]
     164 | static const u32 imx53_suspend_sz;
         |                  ^~~~~~~~~~~~~~~~
--
>> arch/arm/mach-imx/busfreq_lpddr2.c:124:5: warning: no previous prototype for 'update_lpddr2_freq' [-Wmissing-prototypes]
     124 | int update_lpddr2_freq(int ddr_rate)
         |     ^~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/busfreq_lpddr2.c:159:5: warning: no previous prototype for 'init_mmdc_lpddr2_settings' [-Wmissing-prototypes]
     159 | int init_mmdc_lpddr2_settings(struct platform_device *busfreq_pdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/busfreq_lpddr2.c:185:5: warning: no previous prototype for 'update_lpddr2_freq_smp' [-Wmissing-prototypes]
     185 | int update_lpddr2_freq_smp(int ddr_rate)
         |     ^~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/busfreq_lpddr2.c:283:5: warning: no previous prototype for 'init_mmdc_lpddr2_settings_mx6q' [-Wmissing-prototypes]
     283 | int init_mmdc_lpddr2_settings_mx6q(struct platform_device *busfreq_pdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from arch/arm/mach-imx/busfreq_lpddr2.c:48:
   arch/arm/mach-imx/common.h:164:18: warning: 'imx53_suspend_sz' defined but not used [-Wunused-const-variable=]
     164 | static const u32 imx53_suspend_sz;
         |                  ^~~~~~~~~~~~~~~~
--
>> arch/arm/mach-imx/busfreq-imx.c:96: warning: Cannot understand  * @brief  Functions to init and update the busfreq function of
    on line 96 - I thought it was a doc line


vim +/mx7ulp_io_desc +22 arch/arm/mach-imx/mach-imx7ulp.c

9edf908a16c43c Anson Huang 2019-01-11  20  
eeff332d6fc9b2 Anson Huang 2019-08-07  21  /* static IO mapping, and ioremap() could always share the same mapping. */
eeff332d6fc9b2 Anson Huang 2019-08-07 @22  static struct map_desc mx7ulp_io_desc[] __initdata = {
eeff332d6fc9b2 Anson Huang 2019-08-07  23  	mx7ulp_aips_map_entry(1, MT_DEVICE),
eeff332d6fc9b2 Anson Huang 2019-08-07  24  	mx7ulp_aips_map_entry(2, MT_DEVICE),
eeff332d6fc9b2 Anson Huang 2019-08-07  25  	mx7ulp_aips_map_entry(3, MT_DEVICE),
eeff332d6fc9b2 Anson Huang 2019-08-07  26  	mx7ulp_aips_map_entry(4, MT_DEVICE),
eeff332d6fc9b2 Anson Huang 2019-08-07  27  	mx7ulp_aips_map_entry(5, MT_DEVICE),
eeff332d6fc9b2 Anson Huang 2019-08-07  28  };
eeff332d6fc9b2 Anson Huang 2019-08-07  29  

:::::: The code at line 22 was first introduced by commit
:::::: eeff332d6fc9b27509e378e29ce956bf9e8342f3 ARM: imx: Add i.MX7ULP suspend/resume support

:::::: TO: Anson Huang <Anson.Huang@nxp.com>
:::::: CC: Dong Aisheng <aisheng.dong@nxp.com>

-- 
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https://github.com/intel/lkp-tests/wiki