Re: [PATCHv3 5/5] misc: gehc-achc: new driver

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

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Hi Sebastian,

I love your patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on char-misc/char-misc-testing v5.13-rc3]
[cannot apply to spi/for-next next-20210528]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Sebastian-Reichel/GE-Healthcare-PPD-firmware-upgrade-driver-for-ACHC/20210528-193816
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/dac014da90e2715a80e4f7139ac40333cd3d4bec
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sebastian-Reichel/GE-Healthcare-PPD-firmware-upgrade-driver-for-ACHC/20210528-193816
        git checkout dac014da90e2715a80e4f7139ac40333cd3d4bec
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:409,
                    from include/linux/kernel.h:17,
                    from include/linux/delay.h:22,
                    from drivers/misc/nxp-ezport.c:12:
   drivers/misc/nxp-ezport.c: In function 'ezport_flash_transfer':
>> drivers/misc/nxp-ezport.c:221:21: warning: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
     221 |  dev_dbg(&spi->dev, "EzPort write %u bytes @ 0x%06x...\n", payload_size, address);
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:129:15: note: in definition of macro '__dynamic_func_call'
     129 |   func(&id, ##__VA_ARGS__);  \
         |               ^~~~~~~~~~~
   include/linux/dynamic_debug.h:161:2: note: in expansion of macro '_dynamic_func_call'
     161 |  _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
         |  ^~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:2: note: in expansion of macro 'dynamic_dev_dbg'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:23: note: in expansion of macro 'dev_fmt'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                       ^~~~~~~
   drivers/misc/nxp-ezport.c:221:2: note: in expansion of macro 'dev_dbg'
     221 |  dev_dbg(&spi->dev, "EzPort write %u bytes @ 0x%06x...\n", payload_size, address);
         |  ^~~~~~~
   drivers/misc/nxp-ezport.c:221:36: note: format string is defined here
     221 |  dev_dbg(&spi->dev, "EzPort write %u bytes @ 0x%06x...\n", payload_size, address);
         |                                   ~^
         |                                    |
         |                                    unsigned int
         |                                   %lu
   In file included from include/linux/printk.h:409,
                    from include/linux/kernel.h:17,
                    from include/linux/delay.h:22,
                    from drivers/misc/nxp-ezport.c:12:
   drivers/misc/nxp-ezport.c: In function 'ezport_firmware_compare_data':
   drivers/misc/nxp-ezport.c:292:21: warning: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
     292 |  dev_dbg(&spi->dev, "EzPort compare data with %u bytes...\n", size);
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:129:15: note: in definition of macro '__dynamic_func_call'
     129 |   func(&id, ##__VA_ARGS__);  \
         |               ^~~~~~~~~~~
   include/linux/dynamic_debug.h:161:2: note: in expansion of macro '_dynamic_func_call'
     161 |  _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
         |  ^~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:2: note: in expansion of macro 'dynamic_dev_dbg'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:23: note: in expansion of macro 'dev_fmt'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                       ^~~~~~~
   drivers/misc/nxp-ezport.c:292:2: note: in expansion of macro 'dev_dbg'
     292 |  dev_dbg(&spi->dev, "EzPort compare data with %u bytes...\n", size);
         |  ^~~~~~~
   drivers/misc/nxp-ezport.c:292:48: note: format string is defined here
     292 |  dev_dbg(&spi->dev, "EzPort compare data with %u bytes...\n", size);
         |                                               ~^
         |                                                |
         |                                                unsigned int
         |                                               %lu
   In file included from include/linux/kernel.h:15,
                    from include/linux/delay.h:22,
                    from drivers/misc/nxp-ezport.c:12:
   include/linux/minmax.h:18:28: warning: comparison of distinct pointer types lacks a cast
      18 |  (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
         |                            ^~
   include/linux/minmax.h:32:4: note: in expansion of macro '__typecheck'
      32 |   (__typecheck(x, y) && __no_side_effects(x, y))
         |    ^~~~~~~~~~~
   include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp'
      42 |  __builtin_choose_expr(__safe_cmp(x, y), \
         |                        ^~~~~~~~~~
   include/linux/minmax.h:51:19: note: in expansion of macro '__careful_cmp'
      51 | #define min(x, y) __careful_cmp(x, y, <)
         |                   ^~~~~~~~~~~~~
   drivers/misc/nxp-ezport.c:305:19: note: in expansion of macro 'min'
     305 |   transfer_size = min((u32) EZPORT_TRANSFER_SIZE, size - address);
         |                   ^~~
   In file included from include/linux/printk.h:409,
                    from include/linux/kernel.h:17,
                    from include/linux/delay.h:22,
                    from drivers/misc/nxp-ezport.c:12:
   drivers/misc/nxp-ezport.c: In function 'ezport_firmware_flash_data':
   drivers/misc/nxp-ezport.c:324:21: warning: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
     324 |  dev_dbg(&spi->dev, "EzPort flash data with %u bytes...\n", size);
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:129:15: note: in definition of macro '__dynamic_func_call'
     129 |   func(&id, ##__VA_ARGS__);  \
         |               ^~~~~~~~~~~
   include/linux/dynamic_debug.h:161:2: note: in expansion of macro '_dynamic_func_call'
     161 |  _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
         |  ^~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:2: note: in expansion of macro 'dynamic_dev_dbg'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:23: note: in expansion of macro 'dev_fmt'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                       ^~~~~~~
   drivers/misc/nxp-ezport.c:324:2: note: in expansion of macro 'dev_dbg'
     324 |  dev_dbg(&spi->dev, "EzPort flash data with %u bytes...\n", size);
         |  ^~~~~~~
   drivers/misc/nxp-ezport.c:324:46: note: format string is defined here
     324 |  dev_dbg(&spi->dev, "EzPort flash data with %u bytes...\n", size);
         |                                             ~^
         |                                              |
         |                                              unsigned int
         |                                             %lu
   In file included from include/linux/kernel.h:15,
--
   drivers/misc/gehc-achc.c: In function 'gehc_achc_probe':
>> drivers/misc/gehc-achc.c:123:8: error: implicit declaration of function 'spidev_probe' [-Werror=implicit-function-declaration]
     123 |  ret = spidev_probe(spi);
         |        ^~~~~~~~~~~~
   drivers/misc/gehc-achc.c: In function 'gehc_achc_remove':
>> drivers/misc/gehc-achc.c:132:9: error: implicit declaration of function 'spidev_remove'; did you mean 'idr_remove'? [-Werror=implicit-function-declaration]
     132 |  return spidev_remove(spi);
         |         ^~~~~~~~~~~~~
         |         idr_remove
   cc1: some warnings being treated as errors


vim +/spidev_probe +123 drivers/misc/gehc-achc.c

    77	
    78	static int gehc_achc_probe(struct spi_device *spi)
    79	{
    80		struct achc_data *achc;
    81		int ezport_reg, ret;
    82	
    83		spi->max_speed_hz = ACHC_MAX_FREQ;
    84		spi->bits_per_word = 8;
    85		spi->mode = SPI_MODE_0;
    86	
    87		achc = devm_kzalloc(&spi->dev, sizeof(*achc), GFP_KERNEL);
    88		if (!achc)
    89			return -ENOMEM;
    90		achc->main = spi;
    91	
    92		mutex_init(&achc->device_lock);
    93	
    94		ret = of_property_read_u32_index(spi->dev.of_node, "reg", 1, &ezport_reg);
    95		if (ret)
    96			return dev_err_probe(&spi->dev, ret, "missing second reg entry!\n");
    97	
    98		achc->ezport = spi_new_ancillary_device(spi, ezport_reg);
    99		if (IS_ERR(achc->ezport))
   100			return PTR_ERR(achc->ezport);
   101	
   102		ret = devm_add_action_or_reset(&spi->dev, unregister_ezport, achc->ezport);
   103		if (ret)
   104			return ret;
   105	
   106		achc->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);
   107		if (IS_ERR(achc->reset))
   108			return dev_err_probe(&spi->dev, PTR_ERR(achc->reset), "Could not get reset gpio\n");
   109	
   110		/*
   111		 * The sysfs properties are bound to the dummy device, since the main device already
   112		 * uses drvdata assigned by the spidev driver.
   113		 */
   114		spi_set_drvdata(achc->ezport, achc);
   115		ret = devm_device_add_group(&achc->ezport->dev, &gehc_achc_attr_group);
   116		if (ret)
   117			return ret;
   118	
   119		/*
   120		 * Anything before this must use device managed resources to ensure resources being
   121		 * free'd in reverse allocation order.
   122		 */
 > 123		ret = spidev_probe(spi);
   124		if (ret)
   125			return ret;
   126	
   127		return 0;
   128	}
   129	
   130	static int gehc_achc_remove(struct spi_device *spi)
   131	{
 > 132		return spidev_remove(spi);
   133	}
   134	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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