[axboe-block:rw_iter 9/133] arch/powerpc/kernel/dawr.c:73:38: error: passing argument 1 of 'debugfs_write_file_bool' from incompatible pointer type

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git rw_iter
head:   1a95bcd36c1c2fd1c92f33b5ea95c2e0a5667100
commit: d96e5fb1de409722fee4d4943e5e068935321ff7 [9/133] debugfs: convert to ->read_iter()
config: powerpc-microwatt_defconfig (https://download.01.org/0day-ci/archive/20240407/202404070610.RCab7C38-lkp@intel.com/config)
compiler: powerpc64le-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240407/202404070610.RCab7C38-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/202404070610.RCab7C38-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/dawr.c: In function 'dawr_write_file_bool':
>> arch/powerpc/kernel/dawr.c:73:38: error: passing argument 1 of 'debugfs_write_file_bool' from incompatible pointer type [-Werror=incompatible-pointer-types]
      73 |         rc = debugfs_write_file_bool(iocb, from);
         |                                      ^~~~
         |                                      |
         |                                      struct kiocb *
   In file included from arch/powerpc/kernel/dawr.c:11:
   include/linux/debugfs.h:383:60: note: expected 'struct file *' but argument is of type 'struct kiocb *'
     383 | static inline ssize_t debugfs_write_file_bool(struct file *file,
         |                                               ~~~~~~~~~~~~~^~~~
   arch/powerpc/kernel/dawr.c:73:44: error: passing argument 2 of 'debugfs_write_file_bool' from incompatible pointer type [-Werror=incompatible-pointer-types]
      73 |         rc = debugfs_write_file_bool(iocb, from);
         |                                            ^~~~
         |                                            |
         |                                            struct iov_iter *
   include/linux/debugfs.h:384:66: note: expected 'const char *' but argument is of type 'struct iov_iter *'
     384 |                                               const char __user *user_buf,
         |                                               ~~~~~~~~~~~~~~~~~~~^~~~~~~~
>> arch/powerpc/kernel/dawr.c:73:14: error: too few arguments to function 'debugfs_write_file_bool'
      73 |         rc = debugfs_write_file_bool(iocb, from);
         |              ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/debugfs.h:383:23: note: declared here
     383 | static inline ssize_t debugfs_write_file_bool(struct file *file,
         |                       ^~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/kernel/dawr.c: At top level:
>> arch/powerpc/kernel/dawr.c:85:25: error: initialization of 'ssize_t (*)(struct kiocb *, struct iov_iter *)' {aka 'long int (*)(struct kiocb *, struct iov_iter *)'} from incompatible pointer type 'ssize_t (*)(struct file *, char *, size_t,  loff_t *)' {aka 'long int (*)(struct file *, char *, long unsigned int,  long long int *)'} [-Werror=incompatible-pointer-types]
      85 |         .read_iter =    debugfs_read_file_bool,
         |                         ^~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/kernel/dawr.c:85:25: note: (near initialization for 'dawr_enable_fops.read_iter')
   cc1: some warnings being treated as errors


vim +/debugfs_write_file_bool +73 arch/powerpc/kernel/dawr.c

    61	
    62	static ssize_t dawr_write_file_bool(struct kiocb *iocb, struct iov_iter *from)
    63	{
    64		struct arch_hw_breakpoint null_brk = {0};
    65		size_t rc;
    66	
    67		/* Send error to user if they hypervisor won't allow us to write DAWR */
    68		if (!dawr_force_enable &&
    69		    firmware_has_feature(FW_FEATURE_LPAR) &&
    70		    set_dawr(0, &null_brk) != H_SUCCESS)
    71			return -ENODEV;
    72	
  > 73		rc = debugfs_write_file_bool(iocb, from);
    74		if (rc)
    75			return rc;
    76	
    77		/* If we are clearing, make sure all CPUs have the DAWR cleared */
    78		if (!dawr_force_enable)
    79			smp_call_function(disable_dawrs_cb, NULL, 0);
    80	
    81		return rc;
    82	}
    83	
    84	static const struct file_operations dawr_enable_fops = {
  > 85		.read_iter =	debugfs_read_file_bool,
    86		.write_iter =	dawr_write_file_bool,
    87		.open =		simple_open,
    88		.llseek =	default_llseek,
    89	};
    90	

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