[freescale-fslc:5.15-2.2.x-imx 6164/24604] drivers/soc/imx/secvio/imx-secvio-sc.c:140:5: warning: no previous prototype for function 'int_imx_secvio_sc_check_state'

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

Hi Dong,

FYI, the error/warning still remains.

tree:   https://github.com/Freescale/linux-fslc 5.15-2.2.x-imx
head:   7c13adcd3af7dcd541144655102e1cdb941ad538
commit: 8e33e9a47296b6a3afd7da3c950b77eaacfc42b3 [6164/24604] Merge branch 'firmware/next' into next
config: riscv-randconfig-r016-20230831 (https://download.01.org/0day-ci/archive/20230831/202308312028.fLgLCfP9-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230831/202308312028.fLgLCfP9-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/202308312028.fLgLCfP9-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/soc/imx/secvio/imx-secvio-sc.c:140:5: warning: no previous prototype for function 'int_imx_secvio_sc_check_state' [-Wmissing-prototypes]
     140 | int int_imx_secvio_sc_check_state(struct device *dev)
         |     ^
   drivers/soc/imx/secvio/imx-secvio-sc.c:140:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     140 | int int_imx_secvio_sc_check_state(struct device *dev)
         | ^
         | static 
   drivers/soc/imx/secvio/imx-secvio-sc.c:377:29: warning: variable 'data' set but not used [-Wunused-but-set-variable]
     377 |         struct imx_secvio_sc_data *data;
         |                                    ^
   2 warnings generated.
--
>> drivers/soc/imx/secvio/imx-secvio-debugfs.c:35:5: warning: no previous prototype for function 'fuse_reader' [-Wmissing-prototypes]
      35 | int fuse_reader(struct device *dev, u32 id, u32 *value, u8 mul)
         |     ^
   drivers/soc/imx/secvio/imx-secvio-debugfs.c:35:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      35 | int fuse_reader(struct device *dev, u32 id, u32 *value, u8 mul)
         | ^
         | static 
>> drivers/soc/imx/secvio/imx-secvio-debugfs.c:56:5: warning: no previous prototype for function 'snvs_reader' [-Wmissing-prototypes]
      56 | int snvs_reader(struct device *dev, u32 id, u32 *value, u8 mul)
         |     ^
   drivers/soc/imx/secvio/imx-secvio-debugfs.c:56:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      56 | int snvs_reader(struct device *dev, u32 id, u32 *value, u8 mul)
         | ^
         | static 
>> drivers/soc/imx/secvio/imx-secvio-debugfs.c:95:5: warning: no previous prototype for function 'snvs_dgo_reader' [-Wmissing-prototypes]
      95 | int snvs_dgo_reader(struct device *dev, u32 id, u32 *value, u8 mul)
         |     ^
   drivers/soc/imx/secvio/imx-secvio-debugfs.c:95:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      95 | int snvs_dgo_reader(struct device *dev, u32 id, u32 *value, u8 mul)
         | ^
         | static 
   3 warnings generated.


vim +/int_imx_secvio_sc_check_state +140 drivers/soc/imx/secvio/imx-secvio-sc.c

c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  139  
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05 @140  int int_imx_secvio_sc_check_state(struct device *dev)
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  141  {
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  142  	struct secvio_sc_notifier_info info = {0};
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  143  	int ret = 0;
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  144  
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  145  	ret = int_imx_secvio_sc_get_state(dev, &info);
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  146  	if (ret) {
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  147  		dev_err(dev, "Failed to get secvio state\n");
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  148  		goto exit;
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  149  	}
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  150  
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  151  	/* Call chain of CB registered to this module if status detected */
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  152  	if (info.hpsvs || info.lps || info.lptds)
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  153  		if (imx_secvio_sc_notifier_call_chain(&info))
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  154  			dev_warn(dev,
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  155  				 "Issues when calling the notifier chain\n");
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  156  
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  157  exit:
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  158  	return ret;
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  159  }
c4c96d8e4f4bd6 Franck LENORMAND 2019-12-05  160  

:::::: The code at line 140 was first introduced by commit
:::::: c4c96d8e4f4bd60d88bfbcedf2edefdc1e1f7cf8 SSI-87: soc: imx: secvio: Add support for SNVS secvio and tamper via SCFW

:::::: TO: Franck LENORMAND <franck.lenormand@nxp.com>
:::::: CC: Dong Aisheng <aisheng.dong@nxp.com>

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