drivers/mailbox/bcm-flexrm-mailbox.c

294 static u64 flexrm_read_desc(void *desc_ptr)
296 	return le64_to_cpu(*((u64 *)desc_ptr));
299 static void flexrm_write_desc(void *desc_ptr, u64 desc)
301 	*((u64 *)desc_ptr) = cpu_to_le64(desc);
327 static bool flexrm_is_next_table_desc(void *desc_ptr)
329 	u64 desc = flexrm_read_desc(desc_ptr);
366 static void flexrm_flip_header_toggle(void *desc_ptr)
368 	u64 desc = flexrm_read_desc(desc_ptr);
375 	flexrm_write_desc(desc_ptr, desc);
395 				 u64 desc, void **desc_ptr, u32 *toggle,
445 		flexrm_write_desc(*desc_ptr, d);
448 		*desc_ptr += sizeof(desc);
449 		if (*desc_ptr == end_desc)
450 			*desc_ptr = start_desc;
453 		while (flexrm_is_next_table_desc(*desc_ptr)) {
455 			*desc_ptr += sizeof(desc);
456 			if (*desc_ptr == end_desc)
457 				*desc_ptr = start_desc;
462 	flexrm_write_desc(*desc_ptr, desc);
465 	*desc_ptr += sizeof(desc);
466 	if (*desc_ptr == end_desc)
467 		*desc_ptr = start_desc;
470 	while (flexrm_is_next_table_desc(*desc_ptr)) {
472 		*desc_ptr += sizeof(desc);
473 		if (*desc_ptr == end_desc)
474 			*desc_ptr = start_desc;
648 				     u32 reqid, void *desc_ptr, u32 toggle,
653 	void *orig_desc_ptr = desc_ptr;
666 					     d, &desc_ptr, &toggle,
682 					     d, &desc_ptr, &toggle,
694 	flexrm_write_desc(desc_ptr, flexrm_null_desc(!toggle));
702 	return desc_ptr;
757 				     u32 reqid, void *desc_ptr, u32 toggle,
763 	void *orig_desc_ptr = desc_ptr;
774 					     d, &desc_ptr, &toggle,
781 					     d, &desc_ptr, &toggle,
790 					     d, &desc_ptr, &toggle,
799 					     d, &desc_ptr, &toggle,
806 					     d, &desc_ptr, &toggle,
816 					     d, &desc_ptr, &toggle,
823 	flexrm_write_desc(desc_ptr, flexrm_null_desc(!toggle));
831 	return desc_ptr;
894 				u32 reqid, void *desc_ptr, u32 toggle,
897 	if (!msg || !desc_ptr || !start_desc || !end_desc)
900 	if ((desc_ptr < start_desc) || (end_desc <= desc_ptr))
906 					       desc_ptr, toggle,
910 					       desc_ptr, toggle,