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Commit 91dda51a authored by Aleksey Makarov's avatar Aleksey Makarov Committed by Rafael J. Wysocki
Browse files

ACPI / tables: introduce ARCH_HAS_ACPI_TABLE_UPGRADE 



We want to use the table upgrade feature in ARM64.
Introduce a new configuration option that allows that.

Signed-off-by: default avatarAleksey Makarov <aleksey.makarov@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 84b06ca3

arch/x86/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ config X86 
	select ANON_INODES

	select ARCH_CLOCKSOURCE_DATA

	select ARCH_DISCARD_MEMBLOCK

	select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI

	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE

	select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS

	select ARCH_HAS_DEVMEM_IS_ALLOWED

drivers/acpi/Kconfig

+4 −1
Original line number Diff line number Diff line
@@ -311,9 +311,12 @@ config ACPI_CUSTOM_DSDT 
	bool

	default ACPI_CUSTOM_DSDT_FILE != ""



config ARCH_HAS_ACPI_TABLE_UPGRADE

	def_bool n



config ACPI_TABLE_UPGRADE

	bool "Allow upgrading ACPI tables via initrd"

	depends on BLK_DEV_INITRD && X86

	depends on BLK_DEV_INITRD && ARCH_HAS_ACPI_TABLE_UPGRADE

	default y

	help

	  This option provides functionality to upgrade arbitrary ACPI tables