88 	down_write(&driver->sem);
90 	up_write(&driver->sem);
100 	down_write(&driver->sem);  in psb_mmu_flush()
117 	up_write(&driver->sem);  in psb_mmu_flush()
127 	down_write(&pd->driver->sem);  in psb_mmu_set_pd_context()
132 	up_write(&pd->driver->sem);  in psb_mmu_set_pd_context()
237 	down_write(&driver->sem);  in psb_mmu_free_pagedir()
257 	up_write(&driver->sem);  in psb_mmu_free_pagedir()
402 	down_read(&driver->sem);  in psb_mmu_get_default_pd()
404 	up_read(&driver->sem);  in psb_mmu_get_default_pd()
439 	init_rwsem(&driver->sem);  in psb_mmu_driver_init()
440 	down_write(&driver->sem);  in psb_mmu_driver_init()
469 	up_write(&driver->sem);  in psb_mmu_driver_init()
534 	down_read(&pd->driver->sem);  in psb_mmu_remove_pfn_sequence()
556 	up_read(&pd->driver->sem);  in psb_mmu_remove_pfn_sequence()
586 	down_read(&pd->driver->sem);  in psb_mmu_remove_pages()
614 	up_read(&pd->driver->sem);  in psb_mmu_remove_pages()
632 	down_read(&pd->driver->sem);  in psb_mmu_insert_pfn_sequence()
658 	up_read(&pd->driver->sem);  in psb_mmu_insert_pfn_sequence()
694 	down_read(&pd->driver->sem);  in psb_mmu_insert_pages()
725 	up_read(&pd->driver->sem);  in psb_mmu_insert_pages()
741 	down_read(&pd->driver->sem);  in psb_mmu_virtual_to_pfn()
770 	up_read(&pd->driver->sem);  in psb_mmu_virtual_to_pfn()