[PATCH] efivars: add to drivers/firmware

From: Matt Tolentino <metolent@snoqualmie.dp.intel.com>

Second efivars driver update patch that adds efivars into the drivers/firmware
directory.

arch/ia64/Kconfig

@@ -294,6 +294,8 @@ config IA64_PALINFO
 	  To use this option, you have to ensure that the "/proc file system
 	  support" (CONFIG_PROC_FS) is enabled, too.
 
+source "drivers/firmware/Kconfig"
+
 source "fs/Kconfig.binfmt"
 
 endmenu

drivers/firmware/Kconfig

@@ -8,6 +8,7 @@ menu "Firmware Drivers"
 config EDD
 	tristate "BIOS Enhanced Disk Drive calls determine boot disk (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
+	depends on !IA64
 	help
 	  Say Y or M here if you want to enable BIOS Enhanced Disk Drive
 	  Services real mode BIOS calls to determine which disk
@@ -16,4 +17,21 @@ config EDD
 	  This option is experimental, but believed to be safe,
 	  and most disk controller BIOS vendors do not yet implement this feature.
 
+config EFI_VARS
+	tristate "EFI Variable Support via sysfs"
+	depends on EFI
+	default n
+	help
+	  If you say Y here, you are able to get EFI (Extensible Firmware
+	  Interface) variable information via sysfs.  You may read,
+	  write, create, and destroy EFI variables through this interface.
+
+	  Note that using this driver in concert with efibootmgr requires
+	  at least test release version 0.5.0-test1 or later, which is
+	  available from Matt Domsch's website located at:
+	  http://domsch.com/linux/ia64/efibootmgr/testing/efibootmgr-0.5.0-test1.tar.gz
+
+	  Subsequent efibootmgr releases may be found at:
+	  http://domsch.com/linux/ia64/efibootmgr
+
 endmenu

drivers/firmware/Makefile

@@ -2,3 +2,4 @@
 # Makefile for the linux kernel.
 #
 obj-$(CONFIG_EDD)             	+= edd.o
+obj-$(CONFIG_EFI_VARS)		+= efivars.o