drivers/spi/spi-mpc52xx-psc.c:195:5: sparse: sparse: symbol 'mpc52xx_psc_spi_transfer_one_message' was not declared. Should it be static?

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0b5547c51827e053cc754db47d3ec3e6c2c451d2
commit: 145cfc3840e5931a789a8e2e76af841ab4cad44b spi: mpc52xx-psc: Switch to using core message queue
date:   1 year, 1 month ago
config: powerpc-randconfig-r081-20230725 (https://download.01.org/0day-ci/archive/20230725/202307251816.gcbUAjbM-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230725/202307251816.gcbUAjbM-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/202307251816.gcbUAjbM-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/spi/spi-mpc52xx-psc.c:195:5: sparse: sparse: symbol 'mpc52xx_psc_spi_transfer_one_message' was not declared. Should it be static?
   drivers/spi/spi-mpc52xx-psc.c:398:19: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int const [usertype] *regaddr_p @@     got restricted __be32 const [usertype] * @@
   drivers/spi/spi-mpc52xx-psc.c:398:19: sparse:     expected unsigned int const [usertype] *regaddr_p
   drivers/spi/spi-mpc52xx-psc.c:398:19: sparse:     got restricted __be32 const [usertype] *
   drivers/spi/spi-mpc52xx-psc.c:403:59: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted __be32 const [usertype] *addr @@     got unsigned int const [usertype] *regaddr_p @@
   drivers/spi/spi-mpc52xx-psc.c:403:59: sparse:     expected restricted __be32 const [usertype] *addr
   drivers/spi/spi-mpc52xx-psc.c:403:59: sparse:     got unsigned int const [usertype] *regaddr_p

vim +/mpc52xx_psc_spi_transfer_one_message +195 drivers/spi/spi-mpc52xx-psc.c

   177	
   178	int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr,
   179						 struct spi_message *m)
   180	{
   181		struct spi_device *spi;
   182		struct spi_transfer *t = NULL;
   183		unsigned cs_change;
   184		int status;
   185	
   186		spi = m->spi;
   187		cs_change = 1;
   188		status = 0;
   189		list_for_each_entry (t, &m->transfers, transfer_list) {
   190			if (t->bits_per_word || t->speed_hz) {
   191				status = mpc52xx_psc_spi_transfer_setup(spi, t);
   192				if (status < 0)
   193					break;
   194			}
 > 195	
   196			if (cs_change)
   197				mpc52xx_psc_spi_activate_cs(spi);
   198			cs_change = t->cs_change;
   199	
   200			status = mpc52xx_psc_spi_transfer_rxtx(spi, t);
   201			if (status)
   202				break;
   203			m->actual_length += t->len;
   204	
   205			spi_transfer_delay_exec(t);
   206		}
   207	
   208		m->status = status;
   209	
   210		mpc52xx_psc_spi_transfer_setup(spi, NULL);
   211	
   212		spi_finalize_current_message(ctlr);
   213	
   214		return 0;
   215	}
   216	

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