hwtracing/coresight/coresight-cti-platform.c

74 static int cti_plat_get_cpu_at_node(struct fwnode_handle *fwnode)
76 	if (is_of_node(fwnode))
77 		return of_cti_get_cpu_at_node(to_of_node(fwnode));
81 const char *cti_plat_get_node_name(struct fwnode_handle *fwnode)
83 	if (is_of_node(fwnode))
84 		return of_node_full_name(to_of_node(fwnode));
89  * Extract a name from the fwnode.
94 cti_plat_get_csdev_or_node_name(struct fwnode_handle *fwnode,
98 	*csdev = coresight_find_csdev_by_fwnode(fwnode);
102 		name = cti_plat_get_node_name(fwnode);
106 static bool cti_plat_node_name_eq(struct fwnode_handle *fwnode,
109 	if (is_of_node(fwnode))
110 		return of_node_name_eq(to_of_node(fwnode), name);
224 	struct fwnode_handle *fwnode = dev_fwnode(dev);
226 	if (is_of_node(fwnode))
227 		return of_device_is_compatible(to_of_node(fwnode),
232 static int cti_plat_count_sig_elements(const struct fwnode_handle *fwnode,
235 	int nr_elem = fwnode_property_count_u32(fwnode, name);
241 				    const struct fwnode_handle *fwnode,
254 	err = fwnode_property_read_u32_array(fwnode, grp_name,
268 				    const struct fwnode_handle *fwnode,
280 	items = cti_plat_count_sig_elements(fwnode, type_name);
290 		err = fwnode_property_read_u32_array(fwnode, type_name,
315 					const struct fwnode_handle *fwnode)
320 	nr_filter_sigs = cti_plat_count_sig_elements(fwnode,
332 	err = cti_plat_read_trig_group(tg, fwnode, CTI_DT_FILTER_OUT_SIGS);
342 				      struct fwnode_handle *fwnode)
352 	nr_sigs_in = cti_plat_count_sig_elements(fwnode, CTI_DT_TRIGIN_SIGS);
353 	nr_sigs_out = cti_plat_count_sig_elements(fwnode, CTI_DT_TRIGOUT_SIGS);
364 	err = cti_plat_read_trig_group(tc->con_in, fwnode,
369 	err = cti_plat_read_trig_types(tc->con_in, fwnode,
374 	err = cti_plat_read_trig_group(tc->con_out, fwnode,
379 	err = cti_plat_read_trig_types(tc->con_out, fwnode,
384 	err = cti_plat_process_filter_sigs(drvdata, fwnode);
389 	fwnode_property_read_string(fwnode, CTI_DT_CONN_NAME, &assoc_name);
392 	cpuid = cti_plat_get_cpu_at_node(fwnode);
399 		struct fwnode_handle *cs_fwnode = fwnode_find_reference(fwnode,
419 	struct fwnode_handle *fwnode = dev_fwnode(dev);
422 	if (IS_ERR_OR_NULL(fwnode))
425 	fwnode_for_each_child_node(fwnode, child) {
465 	struct fwnode_handle *fwnode = dev_fwnode(dev);
468 	if (IS_ERR_OR_NULL(fwnode))