Merge tag 'for-linus-4.6-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-beck.git] / drivers / firmware / Kconfig

diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 49a3a1185bb607ed45297fe4dea5ff2c6344f37f..6664f1108c7c2f8c54a3d1d0f32f6c1c7f622bb3 100644 (file)
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -161,6 +161,26 @@ config RASPBERRYPI_FIRMWARE
          This option enables support for communicating with the firmware on the
          Raspberry Pi.
 
+config FW_CFG_SYSFS
+       tristate "QEMU fw_cfg device support in sysfs"
+       depends on SYSFS && (ARM || ARM64 || PPC_PMAC || SPARC || X86)
+       depends on HAS_IOPORT_MAP
+       default n
+       help
+         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.
+
+config FW_CFG_SYSFS_CMDLINE
+       bool "QEMU fw_cfg device parameter parsing"
+       depends on FW_CFG_SYSFS
+       help
+         Allow the qemu_fw_cfg device to be initialized via the kernel
+         command line or using a module parameter.
+         WARNING: Using incorrect parameters (base address in particular)
+         may crash your system.
+
 config QCOM_SCM
        bool
        depends on ARM || ARM64