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Searched refs:dn (Results 1 – 25 of 269) sorted by relevance

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/linux/drivers/pci/hotplug/
H A Drpadlpar_core.c44 struct device_node *dn; in find_vio_slot_node() local
50 for_each_child_of_node(parent, dn) { in find_vio_slot_node()
51 rc = rpaphp_check_drc_props(dn, drc_name, NULL); in find_vio_slot_node()
57 return dn; in find_vio_slot_node()
79 struct device_node *dn; in find_dlpar_node() local
81 dn = find_php_slot_pci_node(drc_name, "SLOT"); in find_dlpar_node()
82 if (dn) { in find_dlpar_node()
84 return dn; in find_dlpar_node()
87 dn = find_php_slot_pci_node(drc_name, "PHB"); in find_dlpar_node()
88 if (dn) { in find_dlpar_node()
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H A Dpnv_php.c38 static void pnv_php_register(struct device_node *dn);
39 static void pnv_php_unregister_one(struct device_node *dn);
40 static void pnv_php_unregister(struct device_node *dn);
93 static struct pnv_php_slot *pnv_php_match(struct device_node *dn, in pnv_php_match() argument
98 if (php_slot->dn == dn) { in pnv_php_match()
104 target = pnv_php_match(dn, tmp); in pnv_php_match()
112 struct pnv_php_slot *pnv_php_find_slot(struct device_node *dn) in pnv_php_find_slot() argument
119 php_slot = pnv_php_match(dn, tmp); in pnv_php_find_slot()
135 static void pnv_php_rmv_pdns(struct device_node *dn) in pnv_php_rmv_pdns() argument
139 for_each_child_of_node(dn, child) { in pnv_php_rmv_pdns()
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H A Drpaphp_core.c159 static int get_children_props(struct device_node *dn, const __be32 **drc_indexes, in get_children_props() argument
165 indexes = of_get_property(dn, "ibm,drc-indexes", NULL); in get_children_props()
166 names = of_get_property(dn, "ibm,drc-names", NULL); in get_children_props()
167 types = of_get_property(dn, "ibm,drc-types", NULL); in get_children_props()
168 domains = of_get_property(dn, "ibm,drc-power-domains", NULL); in get_children_props()
195 static int rpaphp_check_drc_props_v1(struct device_node *dn, char *drc_name, in rpaphp_check_drc_props_v1() argument
203 rc = get_children_props(dn->parent, &indexes, &names, &types, &domains); in rpaphp_check_drc_props_v1()
227 static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name, in rpaphp_check_drc_props_v2() argument
237 info = of_find_property(dn->parent, "ibm,drc-info", NULL); in rpaphp_check_drc_props_v2()
270 int rpaphp_check_drc_props(struct device_node *dn, char *drc_name, in rpaphp_check_drc_props() argument
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/linux/fs/notify/dnotify/
H A Ddnotify.c51 struct dnotify_struct *dn; member
65 struct dnotify_struct *dn; in dnotify_recalc_inode_mask() local
72 for (dn = dn_mark->dn; dn != NULL; dn = dn->dn_next) in dnotify_recalc_inode_mask()
73 new_mask |= (dn->dn_mask & ~FS_DN_MULTISHOT); in dnotify_recalc_inode_mask()
94 struct dnotify_struct *dn; in dnotify_handle_event() local
106 prev = &dn_mark->dn; in dnotify_handle_event()
107 while ((dn = *prev) != NULL) { in dnotify_handle_event()
108 if ((dn->dn_mask & test_mask) == 0) { in dnotify_handle_event()
109 prev = &dn->dn_next; in dnotify_handle_event()
112 fown = file_f_owner(dn->dn_filp); in dnotify_handle_event()
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/linux/arch/powerpc/platforms/pseries/
H A Dhotplug-cpu.c328 static int dlpar_offline_cpu(struct device_node *dn) in dlpar_offline_cpu() argument
336 intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); in dlpar_offline_cpu()
360 pr_warn("Unable to remove last online CPU %pOFn\n", dn); in dlpar_offline_cpu()
384 static int dlpar_online_cpu(struct device_node *dn) in dlpar_online_cpu() argument
392 intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); in dlpar_online_cpu()
416 dlpar_offline_cpu(dn); in dlpar_online_cpu()
531 static int pseries_cpuhp_attach_nodes(struct device_node *dn) in pseries_cpuhp_attach_nodes() argument
540 for (of_changeset_init(&cs); dn != NULL; dn = dn->sibling) { in pseries_cpuhp_attach_nodes()
541 ret = of_changeset_attach_node(&cs, dn); in pseries_cpuhp_attach_nodes()
554 struct device_node *dn, *parent; in dlpar_cpu_add() local
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H A Ddlpar.c80 struct device_node *dn; in dlpar_parse_cc_node() local
83 dn = kzalloc_obj(*dn); in dlpar_parse_cc_node()
84 if (!dn) in dlpar_parse_cc_node()
88 dn->full_name = kstrdup(name, GFP_KERNEL); in dlpar_parse_cc_node()
89 if (!dn->full_name) { in dlpar_parse_cc_node()
90 kfree(dn); in dlpar_parse_cc_node()
94 of_node_set_flag(dn, OF_DYNAMIC); in dlpar_parse_cc_node()
95 of_node_init(dn); in dlpar_parse_cc_node()
97 return dn; in dlpar_parse_cc_node()
100 static void dlpar_free_one_cc_node(struct device_node *dn) in dlpar_free_one_cc_node() argument
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H A Dpmem.c31 struct device_node *dn; in pmem_drc_add_node() local
43 dn = dlpar_configure_connector(cpu_to_be32(drc_index), pmem_node); in pmem_drc_add_node()
44 if (!dn) { in pmem_drc_add_node()
51 rc = dlpar_attach_node(dn, pmem_node); in pmem_drc_add_node()
54 dn, rc, drc_index); in pmem_drc_add_node()
57 dlpar_free_cc_nodes(dn); in pmem_drc_add_node()
62 pr_info("Successfully added %pOF, drc index: %x\n", dn, drc_index); in pmem_drc_add_node()
69 struct device_node *dn; in pmem_drc_remove_node() local
73 for_each_child_of_node(pmem_node, dn) { in pmem_drc_remove_node()
74 if (of_property_read_u32(dn, "ibm,my-drc-index", &index)) in pmem_drc_remove_node()
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H A Dmsi.c124 struct device_node *dn; in check_req() local
128 dn = pci_device_to_OF_node(pdev); in check_req()
130 p = of_get_property(dn, prop_name, NULL); in check_req()
132 pr_debug("rtas_msi: No %s on %pOF\n", prop_name, dn); in check_req()
163 struct device_node *dn; in __find_pe_total_msi() local
166 dn = of_node_get(node); in __find_pe_total_msi()
167 while (dn) { in __find_pe_total_msi()
168 p = of_get_property(dn, "ibm,pe-total-#msi", NULL); in __find_pe_total_msi()
171 dn); in __find_pe_total_msi()
173 return dn; in __find_pe_total_msi()
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H A Dmobility.c91 static int delete_dt_node(struct device_node *dn) in delete_dt_node() argument
96 pdn = of_get_parent(dn); in delete_dt_node()
97 is_platfac = of_node_is_type(dn, "ibm,platform-facilities") || in delete_dt_node()
110 pr_notice("ignoring remove operation for %pOFfp\n", dn); in delete_dt_node()
114 pr_debug("removing node %pOFfp\n", dn); in delete_dt_node()
115 dlpar_detach_node(dn); in delete_dt_node()
119 static int update_dt_property(struct device_node *dn, struct property **prop, in update_dt_property() argument
172 pr_debug("updating node %pOF property %s\n", dn, name); in update_dt_property()
173 of_update_property(dn, new_prop); in update_dt_property()
180 static int update_dt_node(struct device_node *dn, s32 scope) in update_dt_node() argument
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H A Diommu.c582 struct device_node *dn, in iommu_table_setparms() argument
595 node = phb->dn; in iommu_table_setparms()
600 "missing tce entries !\n", dn); in iommu_table_setparms()
624 struct device_node *dn; in pci_dma_bus_setup_pSeries() local
631 dn = pci_bus_to_OF_node(bus); in pci_dma_bus_setup_pSeries()
633 pr_debug("pci_dma_bus_setup_pSeries: setting up bus %pOF\n", dn); in pci_dma_bus_setup_pSeries()
641 pci = PCI_DN(dn); in pci_dma_bus_setup_pSeries()
648 while (isa_dn && isa_dn != dn) in pci_dma_bus_setup_pSeries()
654 for (children = 0, tmp = dn->child; tmp; tmp = tmp->sibling) in pci_dma_bus_setup_pSeries()
689 iommu_table_setparms(pci->phb, dn, tbl); in pci_dma_bus_setup_pSeries()
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/linux/arch/powerpc/kernel/
H A Dpci_dn.c33 struct device_node *dn; in pci_bus_to_pdn() local
52 dn = pci_bus_to_OF_node(pbus); in pci_bus_to_pdn()
53 pdn = dn ? PCI_DN(dn) : NULL; in pci_bus_to_pdn()
61 struct device_node *dn = NULL; in pci_get_pdn_by_devfn() local
71 dn = pci_device_to_OF_node(pdev); in pci_get_pdn_by_devfn()
77 pdn = dn ? PCI_DN(dn) : NULL; in pci_get_pdn_by_devfn()
97 struct device_node *dn; in pci_get_pdn() local
105 dn = pci_device_to_OF_node(pdev); in pci_get_pdn()
106 pdn = dn ? PCI_DN(dn) : NULL; in pci_get_pdn()
283 struct device_node *dn) in pci_add_device_node_info() argument
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H A Dpci-hotplug.c22 struct device_node *dn) in find_bus_among_children() argument
27 if (pci_bus_to_OF_node(bus) == dn) in find_bus_among_children()
31 child = find_bus_among_children(tmp, dn); in find_bus_among_children()
39 struct pci_bus *pci_find_bus_by_node(struct device_node *dn) in pci_find_bus_by_node() argument
41 struct pci_dn *pdn = PCI_DN(dn); in pci_find_bus_by_node()
46 return find_bus_among_children(pdn->phb->bus, dn); in pci_find_bus_by_node()
98 struct device_node *dn; in traverse_siblings_and_scan_slot() local
113 for_each_child_of_node(start, dn) { in traverse_siblings_and_scan_slot()
119 slotno = PCI_SLOT(PCI_DN(dn)->devfn); in traverse_siblings_and_scan_slot()
142 struct device_node *dn = pci_bus_to_OF_node(bus); in pci_hp_add_devices() local
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/linux/arch/powerpc/platforms/powernv/
H A Drng.c101 struct device_node *dn) in rng_init_per_cpu() argument
105 chip_id = of_get_ibm_chip_id(dn); in rng_init_per_cpu()
107 pr_warn("No ibm,chip-id found for %pOF.\n", dn); in rng_init_per_cpu()
117 static __init int rng_create(struct device_node *dn) in rng_create() argument
127 if (of_address_to_resource(dn, 0, &res)) { in rng_create()
134 rng->regs = of_iomap(dn, 0); in rng_create()
143 rng_init_per_cpu(rng, dn); in rng_create()
152 struct device_node *dn; in pnv_get_random_long_early() local
161 for_each_compatible_node(dn, NULL, "ibm,power-rng") in pnv_get_random_long_early()
162 rng_create(dn); in pnv_get_random_long_early()
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/linux/arch/x86/kernel/
H A Ddevicetree.c112 struct device_node *dn; in dtb_setup_hpet() local
116 dn = of_find_compatible_node(NULL, NULL, "intel,ce4100-hpet"); in dtb_setup_hpet()
117 if (!dn) in dtb_setup_hpet()
119 ret = of_address_to_resource(dn, 0, &r); in dtb_setup_hpet()
132 struct device_node *dn; in dtb_cpu_setup() local
135 for_each_of_cpu_node(dn) { in dtb_cpu_setup()
136 apic_id = of_get_cpu_hwid(dn, 0); in dtb_cpu_setup()
138 pr_warn("%pOF: missing local APIC ID\n", dn); in dtb_cpu_setup()
142 set_apicid_to_node(apic_id, of_node_to_nid(dn)); in dtb_cpu_setup()
148 struct device_node *dn; in dtb_lapic_setup() local
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/linux/arch/powerpc/kexec/
H A Dfile_load_64.c194 static int add_usable_mem_property(void *fdt, struct device_node *dn, in add_usable_mem_property() argument
202 of_node_get(dn); in add_usable_mem_property()
204 if (snprintf(path, NODE_PATH_LEN, "%pOF", dn) > (NODE_PATH_LEN - 1)) { in add_usable_mem_property()
206 NODE_PATH_LEN, dn); in add_usable_mem_property()
230 ret = of_property_read_reg(dn, i, &base, &size); in add_usable_mem_property()
258 of_node_put(dn); in add_usable_mem_property()
275 struct device_node *dn; in update_usable_mem_fdt() local
299 dn = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); in update_usable_mem_fdt()
300 if (dn) { in update_usable_mem_fdt()
301 ret = walk_drmem_lmbs(dn, &um_info, kdump_setup_usable_lmb); in update_usable_mem_fdt()
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/linux/net/caif/
H A Dcfmuxl.c65 int cfmuxl_set_dnlayer(struct cflayer *layr, struct cflayer *dn, u8 phyid) in cfmuxl_set_dnlayer() argument
70 list_add_rcu(&dn->node, &muxl->frml_list); in cfmuxl_set_dnlayer()
107 struct cflayer *dn; in cfmuxl_remove_dnlayer() local
112 dn = get_from_id(&muxl->frml_list, phyid); in cfmuxl_remove_dnlayer()
113 if (dn == NULL) in cfmuxl_remove_dnlayer()
116 list_del_rcu(&dn->node); in cfmuxl_remove_dnlayer()
117 caif_assert(dn != NULL); in cfmuxl_remove_dnlayer()
120 return dn; in cfmuxl_remove_dnlayer()
139 struct cflayer *dn; in get_dn() local
141 dn = rcu_dereference(muxl->dn_cache[idx]); in get_dn()
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/linux/drivers/perf/
H A Darm-cmn.c381 static struct arm_cmn_nodeid arm_cmn_nid(const struct arm_cmn_node *dn) in arm_cmn_nid() argument
385 nid.dev = dn->id & ((1U << dn->deviceid_bits) - 1); in arm_cmn_nid()
386 nid.port = (dn->id >> dn->deviceid_bits) & ((1U << dn->portid_bits) - 1); in arm_cmn_nid()
391 const struct arm_cmn_node *dn) in arm_cmn_node_to_xp() argument
393 int id = dn->id >> (dn->portid_bits + dn->deviceid_bits); in arm_cmn_node_to_xp()
403 struct arm_cmn_node *dn; in arm_cmn_node() local
405 for (dn = cmn->dns; dn->type; dn++) in arm_cmn_node()
406 if (dn->type == type) in arm_cmn_node()
407 return dn; in arm_cmn_node()
429 static int arm_cmn_pmu_offset(const struct arm_cmn *cmn, const struct arm_cmn_node *dn) in arm_cmn_pmu_offset() argument
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/linux/fs/f2fs/
H A Drecovery.c493 block_t blkaddr, struct dnode_of_data *dn) in check_index_in_prev_nodes() argument
501 struct dnode_of_data tdn = *dn; in check_index_in_prev_nodes()
533 max_addrs = ADDRS_PER_PAGE(dn->node_folio, dn->inode); in check_index_in_prev_nodes()
536 ofs_in_node, dn->inode->i_ino, nid, max_addrs); in check_index_in_prev_nodes()
541 if (dn->inode->i_ino == nid) { in check_index_in_prev_nodes()
543 if (!dn->inode_folio_locked) in check_index_in_prev_nodes()
544 folio_lock(dn->inode_folio); in check_index_in_prev_nodes()
545 tdn.node_folio = dn->inode_folio; in check_index_in_prev_nodes()
548 } else if (dn->nid == nid) { in check_index_in_prev_nodes()
562 if (ino != dn->inode->i_ino) { in check_index_in_prev_nodes()
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H A Dinline.c145 int f2fs_convert_inline_folio(struct dnode_of_data *dn, struct folio *folio) in f2fs_convert_inline_folio() argument
148 .sbi = F2FS_I_SB(dn->inode), in f2fs_convert_inline_folio()
149 .ino = dn->inode->i_ino, in f2fs_convert_inline_folio()
160 if (!f2fs_exist_data(dn->inode)) in f2fs_convert_inline_folio()
163 err = f2fs_reserve_block(dn, 0); in f2fs_convert_inline_folio()
167 err = f2fs_get_node_info(fio.sbi, dn->nid, &ni, false); in f2fs_convert_inline_folio()
169 f2fs_truncate_data_blocks_range(dn, 1); in f2fs_convert_inline_folio()
170 f2fs_put_dnode(dn); in f2fs_convert_inline_folio()
176 if (unlikely(dn->data_blkaddr != NEW_ADDR)) { in f2fs_convert_inline_folio()
177 f2fs_put_dnode(dn); in f2fs_convert_inline_folio()
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H A Dnode.c686 pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs) in f2fs_get_next_page_offset() argument
688 const long direct_index = ADDRS_PER_INODE(dn->inode); in f2fs_get_next_page_offset()
689 const long direct_blks = ADDRS_PER_BLOCK(dn->inode); in f2fs_get_next_page_offset()
690 const long indirect_blks = ADDRS_PER_BLOCK(dn->inode) * NIDS_PER_BLOCK; in f2fs_get_next_page_offset()
691 unsigned int skipped_unit = ADDRS_PER_BLOCK(dn->inode); in f2fs_get_next_page_offset()
692 int cur_level = dn->cur_level; in f2fs_get_next_page_offset()
693 int max_level = dn->max_level; in f2fs_get_next_page_offset()
696 if (!dn->max_level) in f2fs_get_next_page_offset()
702 switch (dn->max_level) { in f2fs_get_next_page_offset()
713 f2fs_bug_on(F2FS_I_SB(dn->inode), 1); in f2fs_get_next_page_offset()
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H A Ddata.c1169 static void __set_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr) in __set_data_blkaddr() argument
1171 __le32 *addr = get_dnode_addr(dn->inode, dn->node_folio); in __set_data_blkaddr()
1173 dn->data_blkaddr = blkaddr; in __set_data_blkaddr()
1174 addr[dn->ofs_in_node] = cpu_to_le32(dn->data_blkaddr); in __set_data_blkaddr()
1183 void f2fs_set_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr) in f2fs_set_data_blkaddr() argument
1185 f2fs_folio_wait_writeback(dn->node_folio, NODE, true, true); in f2fs_set_data_blkaddr()
1186 __set_data_blkaddr(dn, blkaddr); in f2fs_set_data_blkaddr()
1187 if (folio_mark_dirty(dn->node_folio)) in f2fs_set_data_blkaddr()
1188 dn->node_changed = true; in f2fs_set_data_blkaddr()
1191 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr) in f2fs_update_data_blkaddr() argument
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H A Dfile.c80 struct dnode_of_data dn; in f2fs_vm_page_mkwrite() local
141 set_new_dnode(&dn, inode, NULL, NULL, 0); in f2fs_vm_page_mkwrite()
144 err = f2fs_get_block_locked(&dn, folio->index); in f2fs_vm_page_mkwrite()
146 err = f2fs_get_dnode_of_data(&dn, folio->index, LOOKUP_NODE); in f2fs_vm_page_mkwrite()
147 f2fs_put_dnode(&dn); in f2fs_vm_page_mkwrite()
149 !__is_valid_data_blkaddr(dn.data_blkaddr)) in f2fs_vm_page_mkwrite()
161 f2fs_wait_on_block_writeback(inode, dn.data_blkaddr); in f2fs_vm_page_mkwrite()
423 struct dnode_of_data *dn, pgoff_t index, int whence) in __found_offset() argument
425 block_t blkaddr = f2fs_data_blkaddr(dn); in __found_offset()
430 block_t first_blkaddr = data_blkaddr(dn->inode, dn->node_folio, in __found_offset()
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/linux/drivers/cpufreq/
H A Dpasemi-cpufreq.c131 struct device_node *cpu, *dn; in pas_cpufreq_cpu_init() local
148 dn = of_find_compatible_node(NULL, NULL, "1682m-sdc"); in pas_cpufreq_cpu_init()
149 if (!dn) in pas_cpufreq_cpu_init()
150 dn = of_find_compatible_node(NULL, NULL, in pas_cpufreq_cpu_init()
152 if (!dn) in pas_cpufreq_cpu_init()
154 err = of_address_to_resource(dn, 0, &res); in pas_cpufreq_cpu_init()
155 of_node_put(dn); in pas_cpufreq_cpu_init()
164 dn = of_find_compatible_node(NULL, NULL, "1682m-gizmo"); in pas_cpufreq_cpu_init()
165 if (!dn) in pas_cpufreq_cpu_init()
166 dn = of_find_compatible_node(NULL, NULL, in pas_cpufreq_cpu_init()
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/linux/arch/arm/mach-bcm/
H A Dbcm63xx_smp.c110 struct device_node *dn; in bcm63138_smp_boot_secondary() local
114 dn = of_find_matching_node(NULL, bcm63138_bootlut_ids); in bcm63138_smp_boot_secondary()
115 if (!dn) { in bcm63138_smp_boot_secondary()
120 bootlut_base = of_iomap(dn, 0); in bcm63138_smp_boot_secondary()
121 of_node_put(dn); in bcm63138_smp_boot_secondary()
129 dn = of_get_cpu_node(cpu, NULL); in bcm63138_smp_boot_secondary()
130 if (!dn) { in bcm63138_smp_boot_secondary()
143 ret = bcm63xx_pmb_power_on_cpu(dn); in bcm63138_smp_boot_secondary()
144 of_node_put(dn); in bcm63138_smp_boot_secondary()
/linux/drivers/acpi/
H A Dproperty.c85 struct acpi_data_node *dn; in acpi_nondev_subnode_extract() local
92 dn = kzalloc_obj(*dn); in acpi_nondev_subnode_extract()
93 if (!dn) in acpi_nondev_subnode_extract()
96 dn->name = link->package.elements[0].string.pointer; in acpi_nondev_subnode_extract()
97 fwnode_init(&dn->fwnode, &acpi_data_fwnode_ops); in acpi_nondev_subnode_extract()
98 dn->parent = parent; in acpi_nondev_subnode_extract()
99 INIT_LIST_HEAD(&dn->data.properties); in acpi_nondev_subnode_extract()
100 INIT_LIST_HEAD(&dn->data.subnodes); in acpi_nondev_subnode_extract()
118 result = acpi_extract_properties(scope, desc, &dn->data); in acpi_nondev_subnode_extract()
123 if (acpi_enumerate_nondev_subnodes(scope, desc, &dn->data, &dn->fwnode)) in acpi_nondev_subnode_extract()
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