[freescale-fslc:5.15-2.2.x-imx 6099/24604] drivers/gpu/drm/imx/imx-drm-core.c:264:6: warning: format specifies type 'long' but the argument has type 'unsigned int'

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

Hi Dong,

FYI, the error/warning still remains.

tree:   https://github.com/Freescale/linux-fslc 5.15-2.2.x-imx
head:   7c13adcd3af7dcd541144655102e1cdb941ad538
commit: 82b6c17d1b10377f16ba6127e5aaf94fa151fbc6 [6099/24604] Merge remote-tracking branch 'origin/display/lcdif' into display/next
config: hexagon-randconfig-r013-20230831 (https://download.01.org/0day-ci/archive/20230831/202308311653.LQ4WzmAC-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230831/202308311653.LQ4WzmAC-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/202308311653.LQ4WzmAC-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/imx/imx-drm-core.c:264:6: warning: format specifies type 'long' but the argument has type 'unsigned int' [-Wformat]
                                           ARRAY_SIZE(dpu));
                                           ^~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err'
           dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
                                                                  ~~~     ^~~~~~~~~~~
   include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
                   _p_func(dev, fmt, ##__VA_ARGS__);                       \
                                ~~~    ^~~~~~~~~~~
   include/linux/kernel.h:44:25: note: expanded from macro 'ARRAY_SIZE'
   #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +264 drivers/gpu/drm/imx/imx-drm-core.c

c8079f00f58de8 Xianzhong 2021-06-09  229  
c8079f00f58de8 Xianzhong 2021-06-09  230  static void add_dpu_bliteng_components(struct device *dev,
c8079f00f58de8 Xianzhong 2021-06-09  231  				       struct component_match **matchptr)
c8079f00f58de8 Xianzhong 2021-06-09  232  {
c8079f00f58de8 Xianzhong 2021-06-09  233  	/*
c8079f00f58de8 Xianzhong 2021-06-09  234  	 * As there may be two dpu bliteng device,
c8079f00f58de8 Xianzhong 2021-06-09  235  	 * so need add something in compare data to distinguish.
c8079f00f58de8 Xianzhong 2021-06-09  236  	 * Use its parent dpu's of_node as the data here.
c8079f00f58de8 Xianzhong 2021-06-09  237  	 */
c8079f00f58de8 Xianzhong 2021-06-09  238  	struct device_node *port, *parent;
c8079f00f58de8 Xianzhong 2021-06-09  239  	/* assume max dpu number is 8 */
c8079f00f58de8 Xianzhong 2021-06-09  240  	struct device_node *dpu[8];
c8079f00f58de8 Xianzhong 2021-06-09  241  	int num_dpu = 0;
c8079f00f58de8 Xianzhong 2021-06-09  242  	int i, j;
c8079f00f58de8 Xianzhong 2021-06-09  243  	bool found = false;
c8079f00f58de8 Xianzhong 2021-06-09  244  
c8079f00f58de8 Xianzhong 2021-06-09  245  	for (i = 0; ; i++) {
c8079f00f58de8 Xianzhong 2021-06-09  246  		port = of_parse_phandle(dev->of_node, "ports", i);
c8079f00f58de8 Xianzhong 2021-06-09  247  		if (!port)
c8079f00f58de8 Xianzhong 2021-06-09  248  			break;
c8079f00f58de8 Xianzhong 2021-06-09  249  
c8079f00f58de8 Xianzhong 2021-06-09  250  		parent = of_get_parent(port);
c8079f00f58de8 Xianzhong 2021-06-09  251  
c8079f00f58de8 Xianzhong 2021-06-09  252  		for (j = 0; j < num_dpu; j++) {
c8079f00f58de8 Xianzhong 2021-06-09  253  			if (dpu[j] == parent) {
c8079f00f58de8 Xianzhong 2021-06-09  254  				found = true;
c8079f00f58de8 Xianzhong 2021-06-09  255  				break;
c8079f00f58de8 Xianzhong 2021-06-09  256  			}
c8079f00f58de8 Xianzhong 2021-06-09  257  		}
c8079f00f58de8 Xianzhong 2021-06-09  258  
c8079f00f58de8 Xianzhong 2021-06-09  259  		if (found) {
c8079f00f58de8 Xianzhong 2021-06-09  260  			found = false;
c8079f00f58de8 Xianzhong 2021-06-09  261  		} else {
c8079f00f58de8 Xianzhong 2021-06-09  262  			if (num_dpu >= ARRAY_SIZE(dpu)) {
c8079f00f58de8 Xianzhong 2021-06-09  263  				dev_err(dev, "The number of found dpu is greater than max [%ld].\n",
c8079f00f58de8 Xianzhong 2021-06-09 @264  					ARRAY_SIZE(dpu));
c8079f00f58de8 Xianzhong 2021-06-09  265  				of_node_put(parent);
c8079f00f58de8 Xianzhong 2021-06-09  266  				of_node_put(port);
c8079f00f58de8 Xianzhong 2021-06-09  267  				break;
c8079f00f58de8 Xianzhong 2021-06-09  268  			}
c8079f00f58de8 Xianzhong 2021-06-09  269  
c8079f00f58de8 Xianzhong 2021-06-09  270  			dpu[num_dpu] = parent;
c8079f00f58de8 Xianzhong 2021-06-09  271  			num_dpu++;
c8079f00f58de8 Xianzhong 2021-06-09  272  
c8079f00f58de8 Xianzhong 2021-06-09  273  			component_match_add(dev, matchptr, compare_of, parent);
c8079f00f58de8 Xianzhong 2021-06-09  274  		}
c8079f00f58de8 Xianzhong 2021-06-09  275  
c8079f00f58de8 Xianzhong 2021-06-09  276  		of_node_put(parent);
c8079f00f58de8 Xianzhong 2021-06-09  277  		of_node_put(port);
c8079f00f58de8 Xianzhong 2021-06-09  278  	}
c8079f00f58de8 Xianzhong 2021-06-09  279  }
c8079f00f58de8 Xianzhong 2021-06-09  280  

:::::: The code at line 264 was first introduced by commit
:::::: c8079f00f58de86abf3ab885ed6337601923e32d MLK-15321-4 drm/imx: core: Add bliteng as component of imx-drm

:::::: TO: Xianzhong <xianzhong.li@nxp.com>
:::::: CC: Dong Aisheng <aisheng.dong@nxp.com>

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