106 	down_write(&driver->sem);
108 	up_write(&driver->sem);
118 	down_write(&driver->sem);  in psb_mmu_flush()
135 	up_write(&driver->sem);  in psb_mmu_flush()
145 	down_write(&pd->driver->sem);  in psb_mmu_set_pd_context()
150 	up_write(&pd->driver->sem);  in psb_mmu_set_pd_context()
255 	down_write(&driver->sem);  in psb_mmu_free_pagedir()
275 	up_write(&driver->sem);  in psb_mmu_free_pagedir()
422 	down_read(&driver->sem);  in psb_mmu_get_default_pd()
424 	up_read(&driver->sem);  in psb_mmu_get_default_pd()
468 	init_rwsem(&driver->sem);  in psb_mmu_driver_init()
469 	down_write(&driver->sem);  in psb_mmu_driver_init()
500 	up_write(&driver->sem);  in psb_mmu_driver_init()
574 	down_read(&pd->driver->sem);  in psb_mmu_remove_pfn_sequence()
596 	up_read(&pd->driver->sem);  in psb_mmu_remove_pfn_sequence()
626 	down_read(&pd->driver->sem);  in psb_mmu_remove_pages()
654 	up_read(&pd->driver->sem);  in psb_mmu_remove_pages()
672 	down_read(&pd->driver->sem);  in psb_mmu_insert_pfn_sequence()
698 	up_read(&pd->driver->sem);  in psb_mmu_insert_pfn_sequence()
734 	down_read(&pd->driver->sem);  in psb_mmu_insert_pages()
765 	up_read(&pd->driver->sem);  in psb_mmu_insert_pages()
781 	down_read(&pd->driver->sem);  in psb_mmu_virtual_to_pfn()
810 	up_read(&pd->driver->sem);  in psb_mmu_virtual_to_pfn()