int64_t opal_cec_reboot(void);
 int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
 int64_t opal_write_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
-int64_t opal_handle_interrupt(uint64_t isn, uint64_t *outstanding_event_mask);
+int64_t opal_handle_interrupt(uint64_t isn, __be64 *outstanding_event_mask);
 int64_t opal_poll_events(__be64 *outstanding_event_mask);
 int64_t opal_pci_set_hub_tce_memory(uint64_t hub_id, uint64_t tce_mem_addr,
                                    uint64_t tce_mem_size);
 int64_t opal_pci_config_read_byte(uint64_t phb_id, uint64_t bus_dev_func,
                                  uint64_t offset, uint8_t *data);
 int64_t opal_pci_config_read_half_word(uint64_t phb_id, uint64_t bus_dev_func,
-                                      uint64_t offset, uint16_t *data);
+                                      uint64_t offset, __be16 *data);
 int64_t opal_pci_config_read_word(uint64_t phb_id, uint64_t bus_dev_func,
-                                 uint64_t offset, uint32_t *data);
+                                 uint64_t offset, __be32 *data);
 int64_t opal_pci_config_write_byte(uint64_t phb_id, uint64_t bus_dev_func,
                                   uint64_t offset, uint8_t data);
 int64_t opal_pci_config_write_half_word(uint64_t phb_id, uint64_t bus_dev_func,
 int64_t opal_pci_config_write_word(uint64_t phb_id, uint64_t bus_dev_func,
                                   uint64_t offset, uint32_t data);
 int64_t opal_set_xive(uint32_t isn, uint16_t server, uint8_t priority);
-int64_t opal_get_xive(uint32_t isn, uint16_t *server, uint8_t *priority);
+int64_t opal_get_xive(uint32_t isn, __be16 *server, uint8_t *priority);
 int64_t opal_register_exception_handler(uint64_t opal_exception,
                                        uint64_t handler_address,
                                        uint64_t glue_cache_line);
 int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number,
                                   uint8_t *freeze_state,
-                                  uint16_t *pci_error_type,
-                                  uint64_t *phb_status);
+                                  __be16 *pci_error_type,
+                                  __be64 *phb_status);
 int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number,
                                  uint64_t eeh_action_token);
 int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state);
 int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint32_t pe_number,
                             uint32_t xive_num);
 int64_t opal_get_xive_source(uint64_t phb_id, uint32_t xive_num,
-                            int32_t *interrupt_source_number);
+                            __be32 *interrupt_source_number);
 int64_t opal_get_msi_32(uint64_t phb_id, uint32_t mve_number, uint32_t xive_num,
-                       uint8_t msi_range, uint32_t *msi_address,
-                       uint32_t *message_data);
+                       uint8_t msi_range, __be32 *msi_address,
+                       __be32 *message_data);
 int64_t opal_get_msi_64(uint64_t phb_id, uint32_t mve_number,
                        uint32_t xive_num, uint8_t msi_range,
-                       uint64_t *msi_address, uint32_t *message_data);
+                       __be64 *msi_address, __be32 *message_data);
 int64_t opal_start_cpu(uint64_t thread_number, uint64_t start_address);
 int64_t opal_query_cpu_status(uint64_t thread_number, uint8_t *thread_status);
 int64_t opal_write_oppanel(oppanel_line_t *lines, uint64_t num_lines);
 int64_t opal_pci_reinit(uint64_t phb_id, uint8_t reinit_scope);
 int64_t opal_pci_mask_pe_error(uint64_t phb_id, uint16_t pe_number, uint8_t error_type, uint8_t mask_action);
 int64_t opal_set_slot_led_status(uint64_t phb_id, uint64_t slot_id, uint8_t led_type, uint8_t led_action);
-int64_t opal_get_epow_status(uint64_t *status);
+int64_t opal_get_epow_status(__be64 *status);
 int64_t opal_set_system_attention_led(uint8_t led_action);
 int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe,
                            uint16_t *pci_error_type, uint16_t *severity);
 
 }
 
 static void pnv_pci_ioda1_tce_invalidate(struct iommu_table *tbl,
-                                        u64 *startp, u64 *endp)
+                                        __be64 *startp, __be64 *endp)
 {
        __be64 __iomem *invalidate = (__be64 __iomem *)tbl->it_index;
        unsigned long start, end, inc;
 
 static void pnv_pci_ioda2_tce_invalidate(struct pnv_ioda_pe *pe,
                                         struct iommu_table *tbl,
-                                        u64 *startp, u64 *endp)
+                                        __be64 *startp, __be64 *endp)
 {
        unsigned long start, end, inc;
        __be64 __iomem *invalidate = (__be64 __iomem *)tbl->it_index;
 }
 
 void pnv_pci_ioda_tce_invalidate(struct iommu_table *tbl,
-                                u64 *startp, u64 *endp)
+                                __be64 *startp, __be64 *endp)
 {
        struct pnv_ioda_pe *pe = container_of(tbl, struct pnv_ioda_pe,
                                              tce32_table);