RX_BIT_CHAN       107 drivers/mailbox/stm32-ipcc.c 				    RX_BIT_CHAN(chan));
RX_BIT_CHAN       180 drivers/mailbox/stm32-ipcc.c 			    RX_BIT_CHAN(chan));
RX_BIT_CHAN       193 drivers/mailbox/stm32-ipcc.c 			    RX_BIT_CHAN(chan) | TX_BIT_CHAN(chan));