Re: [PATCH] iio: imu: Add initial support for Bosch BMI160

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Hi Daniel,

[auto build test WARNING on iio/togreg]
[also build test WARNING on v4.6-rc1 next-20160401]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Daniel-Baluta/iio-imu-Add-initial-support-for-Bosch-BMI160/20160401-203058
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: parisc-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=parisc 

All warnings (new ones prefixed by >>):

   drivers/iio/imu/bmi160/bmi160_i2c.c:57:1: warning: data definition has no type or storage class
    MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
    ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:57:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
   drivers/iio/imu/bmi160/bmi160_i2c.c:57:1: warning: parameter names (without types) in function declaration
   drivers/iio/imu/bmi160/bmi160_i2c.c:63:1: warning: data definition has no type or storage class
    MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
    ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:63:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
   drivers/iio/imu/bmi160/bmi160_i2c.c:63:1: warning: parameter names (without types) in function declaration
   In file included from include/linux/i2c.h:30:0,
                    from drivers/iio/imu/bmi160/bmi160_i2c.c:14:
   include/linux/device.h:1332:1: warning: data definition has no type or storage class
    module_init(__driver##_init); \
    ^
   include/linux/i2c.h:666:2: note: in expansion of macro 'module_driver'
     module_driver(__i2c_driver, i2c_add_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   include/linux/device.h:1332:1: error: type defaults to 'int' in declaration of 'module_init' [-Werror=implicit-int]
    module_init(__driver##_init); \
    ^
   include/linux/i2c.h:666:2: note: in expansion of macro 'module_driver'
     module_driver(__i2c_driver, i2c_add_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   In file included from include/linux/linkage.h:6:0,
                    from include/linux/kernel.h:6,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/linux/i2c.h:30,
                    from drivers/iio/imu/bmi160/bmi160_i2c.c:14:
   include/linux/export.h:36:30: warning: parameter names (without types) in function declaration
    #define THIS_MODULE ((struct module *)0)
                                 ^
>> include/linux/i2c.h:610:22: note: in expansion of macro 'THIS_MODULE'
     i2c_register_driver(THIS_MODULE, driver)
                         ^
>> include/linux/device.h:1330:9: note: in expansion of macro 'i2c_add_driver'
     return __register(&(__driver) , ##__VA_ARGS__); \
            ^
   include/linux/i2c.h:666:2: note: in expansion of macro 'module_driver'
     module_driver(__i2c_driver, i2c_add_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   In file included from include/linux/i2c.h:30:0,
                    from drivers/iio/imu/bmi160/bmi160_i2c.c:14:
   include/linux/device.h:1337:1: warning: data definition has no type or storage class
    module_exit(__driver##_exit);
    ^
   include/linux/i2c.h:666:2: note: in expansion of macro 'module_driver'
     module_driver(__i2c_driver, i2c_add_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   include/linux/device.h:1337:1: error: type defaults to 'int' in declaration of 'module_exit' [-Werror=implicit-int]
    module_exit(__driver##_exit);
    ^
   include/linux/i2c.h:666:2: note: in expansion of macro 'module_driver'
     module_driver(__i2c_driver, i2c_add_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   In file included from include/linux/linkage.h:6:0,
                    from include/linux/kernel.h:6,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/linux/i2c.h:30,
                    from drivers/iio/imu/bmi160/bmi160_i2c.c:14:
   include/linux/export.h:36:30: warning: parameter names (without types) in function declaration
    #define THIS_MODULE ((struct module *)0)
                                 ^
>> include/linux/i2c.h:610:22: note: in expansion of macro 'THIS_MODULE'
     i2c_register_driver(THIS_MODULE, driver)
                         ^
>> include/linux/device.h:1330:9: note: in expansion of macro 'i2c_add_driver'
     return __register(&(__driver) , ##__VA_ARGS__); \
            ^
   include/linux/i2c.h:666:2: note: in expansion of macro 'module_driver'
     module_driver(__i2c_driver, i2c_add_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:77:15: error: expected declaration specifiers or '...' before string constant
    MODULE_AUTHOR("Daniel Baluta <daniel.baluta@xxxxxxxxx>");
                  ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:78:20: error: expected declaration specifiers or '...' before string constant
    MODULE_DESCRIPTION("BMI160 I2C driver");
                       ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:79:16: error: expected declaration specifiers or '...' before string constant
    MODULE_LICENSE("GPL v2");
                   ^
   In file included from include/linux/i2c.h:30:0,
                    from drivers/iio/imu/bmi160/bmi160_i2c.c:14:
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:19: warning: 'bmi160_i2c_driver_init' defined but not used [-Wunused-function]
    module_i2c_driver(bmi160_i2c_driver);
                      ^
   include/linux/device.h:1328:19: note: in definition of macro 'module_driver'
    static int __init __driver##_init(void) \
                      ^
   drivers/iio/imu/bmi160/bmi160_i2c.c:75:1: note: in expansion of macro 'module_i2c_driver'
    module_i2c_driver(bmi160_i2c_driver);
    ^
   cc1: some warnings being treated as errors
--
   drivers/iio/imu/bmi160/bmi160_spi.c:50:1: warning: data definition has no type or storage class
    MODULE_DEVICE_TABLE(spi, bmi160_spi_id);
    ^
   drivers/iio/imu/bmi160/bmi160_spi.c:50:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
   drivers/iio/imu/bmi160/bmi160_spi.c:50:1: warning: parameter names (without types) in function declaration
   drivers/iio/imu/bmi160/bmi160_spi.c:56:1: warning: data definition has no type or storage class
    MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
    ^
   drivers/iio/imu/bmi160/bmi160_spi.c:56:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
   drivers/iio/imu/bmi160/bmi160_spi.c:56:1: warning: parameter names (without types) in function declaration
   In file included from include/linux/spi/spi.h:18:0,
                    from drivers/iio/imu/bmi160/bmi160_spi.c:11:
   include/linux/device.h:1332:1: warning: data definition has no type or storage class
    module_init(__driver##_init); \
    ^
   include/linux/spi/spi.h:283:2: note: in expansion of macro 'module_driver'
     module_driver(__spi_driver, spi_register_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   include/linux/device.h:1332:1: error: type defaults to 'int' in declaration of 'module_init' [-Werror=implicit-int]
    module_init(__driver##_init); \
    ^
   include/linux/spi/spi.h:283:2: note: in expansion of macro 'module_driver'
     module_driver(__spi_driver, spi_register_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   In file included from include/linux/linkage.h:6:0,
                    from include/linux/kernel.h:6,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/linux/spi/spi.h:18,
                    from drivers/iio/imu/bmi160/bmi160_spi.c:11:
   include/linux/export.h:36:30: warning: parameter names (without types) in function declaration
    #define THIS_MODULE ((struct module *)0)
                                 ^
>> include/linux/spi/spi.h:272:24: note: in expansion of macro 'THIS_MODULE'
     __spi_register_driver(THIS_MODULE, driver)
                           ^
>> include/linux/device.h:1330:9: note: in expansion of macro 'spi_register_driver'
     return __register(&(__driver) , ##__VA_ARGS__); \
            ^
   include/linux/spi/spi.h:283:2: note: in expansion of macro 'module_driver'
     module_driver(__spi_driver, spi_register_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   In file included from include/linux/spi/spi.h:18:0,
                    from drivers/iio/imu/bmi160/bmi160_spi.c:11:
   include/linux/device.h:1337:1: warning: data definition has no type or storage class
    module_exit(__driver##_exit);
    ^
   include/linux/spi/spi.h:283:2: note: in expansion of macro 'module_driver'
     module_driver(__spi_driver, spi_register_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   include/linux/device.h:1337:1: error: type defaults to 'int' in declaration of 'module_exit' [-Werror=implicit-int]
    module_exit(__driver##_exit);
    ^
   include/linux/spi/spi.h:283:2: note: in expansion of macro 'module_driver'
     module_driver(__spi_driver, spi_register_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   In file included from include/linux/linkage.h:6:0,
                    from include/linux/kernel.h:6,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/linux/spi/spi.h:18,
                    from drivers/iio/imu/bmi160/bmi160_spi.c:11:
   include/linux/export.h:36:30: warning: parameter names (without types) in function declaration
    #define THIS_MODULE ((struct module *)0)
                                 ^
>> include/linux/spi/spi.h:272:24: note: in expansion of macro 'THIS_MODULE'
     __spi_register_driver(THIS_MODULE, driver)
                           ^
>> include/linux/device.h:1330:9: note: in expansion of macro 'spi_register_driver'
     return __register(&(__driver) , ##__VA_ARGS__); \
            ^
   include/linux/spi/spi.h:283:2: note: in expansion of macro 'module_driver'
     module_driver(__spi_driver, spi_register_driver, \
     ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   drivers/iio/imu/bmi160/bmi160_spi.c:69:15: error: expected declaration specifiers or '...' before string constant
    MODULE_AUTHOR("Daniel Baluta <daniel.baluta@xxxxxxxxx");
                  ^
   drivers/iio/imu/bmi160/bmi160_spi.c:70:20: error: expected declaration specifiers or '...' before string constant
    MODULE_DESCRIPTION("Bosch BMI160 SPI driver");
                       ^
   drivers/iio/imu/bmi160/bmi160_spi.c:71:16: error: expected declaration specifiers or '...' before string constant
    MODULE_LICENSE("GPL v2");
                   ^
   In file included from include/linux/spi/spi.h:18:0,
                    from drivers/iio/imu/bmi160/bmi160_spi.c:11:
   drivers/iio/imu/bmi160/bmi160_spi.c:67:19: warning: 'bmi160_spi_driver_init' defined but not used [-Wunused-function]
    module_spi_driver(bmi160_spi_driver);
                      ^
   include/linux/device.h:1328:19: note: in definition of macro 'module_driver'
    static int __init __driver##_init(void) \
                      ^
   drivers/iio/imu/bmi160/bmi160_spi.c:67:1: note: in expansion of macro 'module_spi_driver'
    module_spi_driver(bmi160_spi_driver);
    ^
   cc1: some warnings being treated as errors

vim +/THIS_MODULE +610 include/linux/i2c.h

c7036673 Hans Verkuil       2009-06-19  594  
^1da177e Linus Torvalds     2005-04-16  595  
^1da177e Linus Torvalds     2005-04-16  596  /* ----- functions exported by i2c.o */
^1da177e Linus Torvalds     2005-04-16  597  
^1da177e Linus Torvalds     2005-04-16  598  /* administration...
^1da177e Linus Torvalds     2005-04-16  599   */
23af8400 Jean Delvare       2009-06-19  600  #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
^1da177e Linus Torvalds     2005-04-16  601  extern int i2c_add_adapter(struct i2c_adapter *);
71546300 Lars-Peter Clausen 2013-03-09  602  extern void i2c_del_adapter(struct i2c_adapter *);
6e13e641 David Brownell     2007-05-01  603  extern int i2c_add_numbered_adapter(struct i2c_adapter *);
^1da177e Linus Torvalds     2005-04-16  604  
de59cf9e Greg Kroah-Hartman 2005-12-06  605  extern int i2c_register_driver(struct module *, struct i2c_driver *);
b3e82096 Jean Delvare       2007-05-01  606  extern void i2c_del_driver(struct i2c_driver *);
^1da177e Linus Torvalds     2005-04-16  607  
eb5589a8 Paul Gortmaker     2011-05-27  608  /* use a define to avoid include chaining to get THIS_MODULE */
eb5589a8 Paul Gortmaker     2011-05-27  609  #define i2c_add_driver(driver) \
eb5589a8 Paul Gortmaker     2011-05-27 @610  	i2c_register_driver(THIS_MODULE, driver)
de59cf9e Greg Kroah-Hartman 2005-12-06  611  
e48d3319 Jean Delvare       2008-01-27  612  extern struct i2c_client *i2c_use_client(struct i2c_client *client);
e48d3319 Jean Delvare       2008-01-27  613  extern void i2c_release_client(struct i2c_client *client);
^1da177e Linus Torvalds     2005-04-16  614  
^1da177e Linus Torvalds     2005-04-16  615  /* call the i2c_client->command() of all attached clients with
^1da177e Linus Torvalds     2005-04-16  616   * the given arguments */
^1da177e Linus Torvalds     2005-04-16  617  extern void i2c_clients_command(struct i2c_adapter *adap,
^1da177e Linus Torvalds     2005-04-16  618  				unsigned int cmd, void *arg);

:::::: The code at line 610 was first introduced by commit
:::::: eb5589a8f0dab7e29021344228856339e6a1249c include: convert various register fcns to macros to avoid include chaining

:::::: TO: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
:::::: CC: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
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