[android-common:incoming-android15-6.6-desktop-chromeos 498/498] drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:310:10: warning: returning 'int' from a function with return type 'struct mtk_apu_hw_logger *' makes pointer from integer without a cast

[android-common:incoming-android15-6.6-desktop-chromeos 498/498] drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:310:10: warning: returning 'int' from a function with return type 'struct mtk_apu_hw_logger *' makes pointer from integer without a cast

[kernel test robot]

Hi Karl,

First bad commit (maybe != root cause):

tree:   https://android.googlesource.com/kernel/common incoming-android15-6.6-desktop-chromeos
head:   971c23c737d79895eb40ddbbed5817f6ee6ea162
commit: 6861d60ceacc0798de74530b42a39ef0c801434e [498/498] CHROMIUM: remoteproc: mediatek: Enable APU rproc building
config: arm-randconfig-004-20250328 (https://download.01.org/0day-ci/archive/20250328/202503280822.VoMCynL1-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250328/202503280822.VoMCynL1-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/202503280822.VoMCynL1-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/remoteproc/mediatek_apusys/mtk_apu_config.c: In function 'mtk_apu_config_setup':
>> drivers/remoteproc/mediatek_apusys/mtk_apu_config.c:120:19: warning: assignment to 'uint64_t' {aka 'long long unsigned int'} from 'void *' makes integer from pointer without a cast [-Wint-conversion]
     mdla_rv_mem->buf = mdla_buf;
                      ^
--
   In file included from drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:11:
   drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c: In function 'ioread32_atf':
   drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:132:45: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
       dev_err(dev, "Not support addr: 0x%llx", (unsigned long long)addr[i]);
                                                ^
   include/linux/dev_printk.h:110:23: note: in definition of macro 'dev_printk_index_wrap'
      _p_func(dev, fmt, ##__VA_ARGS__);   \
                          ^~~~~~~~~~~
   drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:132:4: note: in expansion of macro 'dev_err'
       dev_err(dev, "Not support addr: 0x%llx", (unsigned long long)addr[i]);
       ^~~~~~~
   drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c: In function 'get_mtk_apu_hw_logger_device':
>> drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:310:10: warning: returning 'int' from a function with return type 'struct mtk_apu_hw_logger *' makes pointer from integer without a cast [-Wint-conversion]
      return -EPROBE_DEFER;
             ^
   drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c:313:10: warning: returning 'int' from a function with return type 'struct mtk_apu_hw_logger *' makes pointer from integer without a cast [-Wint-conversion]
      return -EINVAL;
             ^


vim +310 drivers/remoteproc/mediatek_apusys/mtk_apu_hw_logger.c

1516d6dc338235 Karl Li 2025-01-02  295  
1516d6dc338235 Karl Li 2025-01-02  296  static struct platform_driver hw_logger_driver;
1516d6dc338235 Karl Li 2025-01-02  297  struct mtk_apu_hw_logger *get_mtk_apu_hw_logger_device(struct device_node *hw_logger_np)
1516d6dc338235 Karl Li 2025-01-02  298  {
1516d6dc338235 Karl Li 2025-01-02  299  	struct platform_device *pdev;
1516d6dc338235 Karl Li 2025-01-02  300  	struct device *dev;
1516d6dc338235 Karl Li 2025-01-02  301  	struct mtk_apu_hw_logger *hw_logger_data;
1516d6dc338235 Karl Li 2025-01-02  302  
1516d6dc338235 Karl Li 2025-01-02  303  	pdev = of_find_device_by_node(hw_logger_np);
1516d6dc338235 Karl Li 2025-01-02  304  	if (!pdev)
1516d6dc338235 Karl Li 2025-01-02  305  		return ERR_PTR(-ENODEV);
1516d6dc338235 Karl Li 2025-01-02  306  
1516d6dc338235 Karl Li 2025-01-02  307  	dev = &pdev->dev;
1516d6dc338235 Karl Li 2025-01-02  308  
1516d6dc338235 Karl Li 2025-01-02  309  	if (!dev->driver)
1516d6dc338235 Karl Li 2025-01-02 @310  		return -EPROBE_DEFER;
1516d6dc338235 Karl Li 2025-01-02  311  
1516d6dc338235 Karl Li 2025-01-02  312  	if (dev->driver != &hw_logger_driver.driver)
1516d6dc338235 Karl Li 2025-01-02  313  		return -EINVAL;
1516d6dc338235 Karl Li 2025-01-02  314  
1516d6dc338235 Karl Li 2025-01-02  315  	hw_logger_data = dev_get_drvdata(dev);
1516d6dc338235 Karl Li 2025-01-02  316  	put_device(dev);
1516d6dc338235 Karl Li 2025-01-02  317  
1516d6dc338235 Karl Li 2025-01-02  318  	return hw_logger_data;
1516d6dc338235 Karl Li 2025-01-02  319  }
1516d6dc338235 Karl Li 2025-01-02  320  

:::::: The code at line 310 was first introduced by commit
:::::: 1516d6dc33823500488342fce50de7ad8c838abf CHROMIUM: remoteproc: mediatek: Add APU hw_logger

:::::: TO: Karl Li <karl.li@mediatek.corp-partner.google.com>
:::::: CC: Hubert Mazur <hmazur@google.com>

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