kernelversion:
stable - 6.5.12
mainline - 4.19.299
mainline - 5.4.261
mainline - 6.1.63
mainline - 5.10.201
mainline - 5.15.139
mainline - 6.6.2
mainline - 4.14.330
mainline - 6.7-rc2
[click here for custom version]
architecture:
>
x86
arm
arm64
powerpc
mips
sparc
ia64
arc
riscv
nds32
m68k
microblaze
alpha
unicore32
parisc
blackfin
selects
CONFIG_IRQ_DOMAIN
CONFIG_IRQ_DOMAIN_HIERARCHY
CONFIG_GENERIC_MSI_IRQ_DOMAIN
depends
CONFIG_HAS_IOMEM
CONFIG_OF
CONFIG_ARCH_MXC
or CONFIG_COMPILE_TEST
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
source code:
drivers/irqchip/irq-imx-mu-msi.c
CPU-to-CPU MSI controller. This requires a specially crafted DT
to make use of this driver.
If unsure, say N