firmware: imx-scu: Support one TX and one RX
Current imx-scu requires four TX and four RX to communicate with SCU. This is low efficient and causes lots of mailbox interrupts. With imx-mailbox driver could support one TX to use all four transmit registers and one RX to use all four receive registers, imx-scu could use one TX and one RX. Signed-off-by:Peng Fan <peng.fan@nxp.com> Signed-off-by:
Shawn Guo <shawnguo@kernel.org>
parent
04df45fb