Re: [PATCH v2 05/13] media: xilinx-tpg: use of_graph_get_next_endpoint_raw()

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Hi Kuninori,

kernel test robot noticed the following build errors:

[auto build test ERROR on broonie-sound/for-next]
[also build test ERROR on drm-misc/drm-misc-next linus/master v6.8-rc2 next-20240130]
[cannot apply to robh/for-next]
[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/Kuninori-Morimoto/of-property-add-port-base-loop/20240129-085726
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/878r49klg1.wl-kuninori.morimoto.gx%40renesas.com
patch subject: [PATCH v2 05/13] media: xilinx-tpg: use of_graph_get_next_endpoint_raw()
config: mips-randconfig-r113-20240130 (https://download.01.org/0day-ci/archive/20240130/202401302148.K0ZR110q-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20240130/202401302148.K0ZR110q-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/202401302148.K0ZR110q-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

>> drivers/media/platform/xilinx/xilinx-tpg.c:747:15: error: implicit declaration of function 'of_graph_get_next_endpoint_raw' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                           endpoint = of_graph_get_next_endpoint_raw(port, NULL);
                                      ^
   drivers/media/platform/xilinx/xilinx-tpg.c:747:15: note: did you mean 'acpi_graph_get_next_endpoint'?
   include/linux/acpi.h:1409:1: note: 'acpi_graph_get_next_endpoint' declared here
   acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
   ^
>> drivers/media/platform/xilinx/xilinx-tpg.c:747:13: warning: incompatible integer to pointer conversion assigning to 'struct device_node *' from 'int' [-Wint-conversion]
                           endpoint = of_graph_get_next_endpoint_raw(port, NULL);
                                    ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning and 1 error generated.


vim +/of_graph_get_next_endpoint_raw +747 drivers/media/platform/xilinx/xilinx-tpg.c

   705	
   706	/* -----------------------------------------------------------------------------
   707	 * Platform Device Driver
   708	 */
   709	
   710	static int xtpg_parse_of(struct xtpg_device *xtpg)
   711	{
   712		struct device *dev = xtpg->xvip.dev;
   713		struct device_node *node = xtpg->xvip.dev->of_node;
   714		struct device_node *ports;
   715		struct device_node *port;
   716		unsigned int nports = 0;
   717		bool has_endpoint = false;
   718	
   719		ports = of_get_child_by_name(node, "ports");
   720		if (ports == NULL)
   721			ports = node;
   722	
   723		for_each_child_of_node(ports, port) {
   724			const struct xvip_video_format *format;
   725			struct device_node *endpoint;
   726	
   727			if (!of_node_name_eq(port, "port"))
   728				continue;
   729	
   730			format = xvip_of_get_format(port);
   731			if (IS_ERR(format)) {
   732				dev_err(dev, "invalid format in DT");
   733				of_node_put(port);
   734				return PTR_ERR(format);
   735			}
   736	
   737			/* Get and check the format description */
   738			if (!xtpg->vip_format) {
   739				xtpg->vip_format = format;
   740			} else if (xtpg->vip_format != format) {
   741				dev_err(dev, "in/out format mismatch in DT");
   742				of_node_put(port);
   743				return -EINVAL;
   744			}
   745	
   746			if (nports == 0) {
 > 747				endpoint = of_graph_get_next_endpoint_raw(port, NULL);
   748				if (endpoint)
   749					has_endpoint = true;
   750				of_node_put(endpoint);
   751			}
   752	
   753			/* Count the number of ports. */
   754			nports++;
   755		}
   756	
   757		if (nports != 1 && nports != 2) {
   758			dev_err(dev, "invalid number of ports %u\n", nports);
   759			return -EINVAL;
   760		}
   761	
   762		xtpg->npads = nports;
   763		if (nports == 2 && has_endpoint)
   764			xtpg->has_input = true;
   765	
   766		return 0;
   767	}
   768	

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



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