i.MX MU used as MSI controller
modulename: irq-imx-mu-msi.ko
configname: CONFIG_IMX_MU_MSI
Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>Device Tree and Open Firmware support
└─>i.MX MU used as MSI controller
In linux kernel since version 6.1 (release Date: 2022-12-11)
Provide a driver for the i.MX Messaging Unit block used as a
CPU-to-CPU MSI controller. This requires a specially crafted DT
to make use of this driver.
If unsure, say N
CPU-to-CPU MSI controller. This requires a specially crafted DT
to make use of this driver.
If unsure, say N
source code:
selects
CONFIG_IRQ_DOMAINCONFIG_IRQ_DOMAIN_HIERARCHY
CONFIG_GENERIC_MSI_IRQ