Re: [PATCH 3/3] hwrng: npcm - Add a local variable for struct device pointer

[kernel test robot <lkp@xxxxxxxxx>]

Hi Sakari,

kernel test robot noticed the following build errors:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus herbert-cryptodev-2.6/master linus/master v6.15-rc1 next-20250410]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Sakari-Ailus/hwrng-atmel-Add-a-local-variable-for-struct-device-pointer/20250410-151223
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20250410070623.3676647-4-sakari.ailus%40linux.intel.com
patch subject: [PATCH 3/3] hwrng: npcm - Add a local variable for struct device pointer
config: arm-randconfig-001-20250410 (https://download.01.org/0day-ci/archive/20250410/202504102028.H0evWtkl-lkp@xxxxxxxxx/config)
compiler: clang version 19.1.1 (https://github.com/llvm/llvm-project d401987fe349a87c53fe25829215b080b70c0c1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250410/202504102028.H0evWtkl-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504102028.H0evWtkl-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/char/hw_random/npcm-rng.c:57:54: error: expected ';' at end of declaration
      57 |         struct device *dev = (struct device *)priv->rng.priv
         |                                                             ^
         |                                                             ;
   1 error generated.


vim +57 drivers/char/hw_random/npcm-rng.c

    53	
    54	static int npcm_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
    55	{
    56		struct npcm_rng *priv = to_npcm_rng(rng);
  > 57		struct device *dev = (struct device *)priv->rng.priv
    58		int retval = 0;
    59		int ready;
    60	
    61		pm_runtime_get_sync(dev);
    62	
    63		while (max) {
    64			if (wait) {
    65				if (readb_poll_timeout(priv->base + NPCM_RNGCS_REG,
    66						       ready,
    67						       ready & NPCM_RNG_DATA_VALID,
    68						       NPCM_RNG_POLL_USEC,
    69						       NPCM_RNG_TIMEOUT_USEC))
    70					break;
    71			} else {
    72				if ((readb(priv->base + NPCM_RNGCS_REG) &
    73				    NPCM_RNG_DATA_VALID) == 0)
    74					break;
    75			}
    76	
    77			*(u8 *)buf = readb(priv->base + NPCM_RNGD_REG);
    78			retval++;
    79			buf++;
    80			max--;
    81		}
    82	
    83		pm_runtime_mark_last_busy(dev);
    84		pm_runtime_put_sync_autosuspend(dev);
    85	
    86		return retval || !wait ? retval : -EIO;
    87	}
    88	

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