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));