CONFIG_LS_SCFG_MSI (not configurable)

modulename: irq-ls-scfg-msi.ko

configname: CONFIG_LS_SCFG_MSI

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>PCI support
└─>LS_SCFG_MSI
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/irqchip/irq-ls-scfg-msi.c