22 static void mcp251xfd_canframe_to_txobj(const struct can_frame *src, int mailbox_idx,  in mcp251xfd_canframe_to_txobj()  argument
46 	dst->flags |= FIELD_PREP(MCP251XFD_OBJ_FLAGS_SEQ_MASK, mailbox_idx);  in mcp251xfd_canframe_to_txobj()
159 static int mcp251xfd_fifo_write(const struct device *dev, int mailbox_idx,  in mcp251xfd_fifo_write()  argument
184 	mcp251xfd_canframe_to_txobj(msg, mailbox_idx, txobj);  in mcp251xfd_fifo_write()
487 	uint8_t mailbox_idx;  in mcp251xfd_send()  local
518 	for (mailbox_idx = 0; mailbox_idx < MCP251XFD_TX_QUEUE_ITEMS; mailbox_idx++) {  in mcp251xfd_send()
519 		if ((BIT(mailbox_idx) & dev_data->mailbox_usage) == 0) {  in mcp251xfd_send()
520 			dev_data->mailbox_usage |= BIT(mailbox_idx);  in mcp251xfd_send()
525 	if (mailbox_idx >= MCP251XFD_TX_QUEUE_ITEMS) {  in mcp251xfd_send()
531 	dev_data->mailbox[mailbox_idx].cb = callback;  in mcp251xfd_send()
532 	dev_data->mailbox[mailbox_idx].cb_arg = callback_arg;  in mcp251xfd_send()
534 	ret = mcp251xfd_fifo_write(dev, mailbox_idx, msg);  in mcp251xfd_send()
537 		dev_data->mailbox_usage &= ~BIT(mailbox_idx);  in mcp251xfd_send()
538 		dev_data->mailbox[mailbox_idx].cb = NULL;  in mcp251xfd_send()
1316 	uint8_t mailbox_idx;  in mcp251xfd_tef_fifo_handler()  local
1318 	mailbox_idx = FIELD_GET(MCP251XFD_OBJ_FLAGS_SEQ_MASK, tefobj->flags);  in mcp251xfd_tef_fifo_handler()
1319 	if (mailbox_idx >= MCP251XFD_TX_QUEUE_ITEMS) {  in mcp251xfd_tef_fifo_handler()
1325 	callback = dev_data->mailbox[mailbox_idx].cb;  in mcp251xfd_tef_fifo_handler()
1327 		callback(dev, 0, dev_data->mailbox[mailbox_idx].cb_arg);  in mcp251xfd_tef_fifo_handler()
1330 	dev_data->mailbox_usage &= ~BIT(mailbox_idx);  in mcp251xfd_tef_fifo_handler()
1331 	dev_data->mailbox[mailbox_idx].cb = NULL;  in mcp251xfd_tef_fifo_handler()