QEMU fw_cfg device support in sysfs
modulename: qemu_fw_cfg.ko
configname: CONFIG_FW_CFG_SYSFS
Linux Kernel Configuration
└─>Firmware Drivers
└─>QEMU fw_cfg device support in sysfs
In linux kernel since version 3.10 (release Date: 2013-06-30)
Say Y or M here to enable the exporting of the QEMU firmware
configuration (fw_cfg) file entries via sysfs. Entries are
found under /sys/firmware/fw_cfg when this option is enabled
and loaded.
configuration (fw_cfg) file entries via sysfs. Entries are
found under /sys/firmware/fw_cfg when this option is enabled
and loaded.
source code:
depends
CONFIG_HAS_IOPORT_MAPCONFIG_SYSFS
CONFIG_ARM or CONFIG_ARM64 or CONFIG_PPC_PMAC or CONFIG_SPARC or CONFIG_X86