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Message-ID: <202305151908.MNazRAGc-lkp@intel.com>
Date:   Mon, 15 May 2023 19:18:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/spi/spi-mpc52xx-psc.c:195:5: sparse: sparse: symbol
 'mpc52xx_psc_spi_transfer_one_message' was not declared. Should it be
 static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: 145cfc3840e5931a789a8e2e76af841ab4cad44b spi: mpc52xx-psc: Switch to using core message queue
date:   11 months ago
config: powerpc-randconfig-s051-20230515 (https://download.01.org/0day-ci/archive/20230515/202305151908.MNazRAGc-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=145cfc3840e5931a789a8e2e76af841ab4cad44b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 145cfc3840e5931a789a8e2e76af841ab4cad44b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/spi/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305151908.MNazRAGc-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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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