96 	down_write(&driver->sem);
98 	up_write(&driver->sem);
108 	down_write(&driver->sem);  in psb_mmu_flush()
125 	up_write(&driver->sem);  in psb_mmu_flush()
135 	down_write(&pd->driver->sem);  in psb_mmu_set_pd_context()
140 	up_write(&pd->driver->sem);  in psb_mmu_set_pd_context()
245 	down_write(&driver->sem);  in psb_mmu_free_pagedir()
265 	up_write(&driver->sem);  in psb_mmu_free_pagedir()
412 	down_read(&driver->sem);  in psb_mmu_get_default_pd()
414 	up_read(&driver->sem);  in psb_mmu_get_default_pd()
458 	init_rwsem(&driver->sem);  in psb_mmu_driver_init()
459 	down_write(&driver->sem);  in psb_mmu_driver_init()
490 	up_write(&driver->sem);  in psb_mmu_driver_init()
564 	down_read(&pd->driver->sem);  in psb_mmu_remove_pfn_sequence()
586 	up_read(&pd->driver->sem);  in psb_mmu_remove_pfn_sequence()
616 	down_read(&pd->driver->sem);  in psb_mmu_remove_pages()
644 	up_read(&pd->driver->sem);  in psb_mmu_remove_pages()
662 	down_read(&pd->driver->sem);  in psb_mmu_insert_pfn_sequence()
688 	up_read(&pd->driver->sem);  in psb_mmu_insert_pfn_sequence()
724 	down_read(&pd->driver->sem);  in psb_mmu_insert_pages()
755 	up_read(&pd->driver->sem);  in psb_mmu_insert_pages()
771 	down_read(&pd->driver->sem);  in psb_mmu_virtual_to_pfn()
800 	up_read(&pd->driver->sem);  in psb_mmu_virtual_to_pfn()