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ACPI: prevent randconfig build failure on empty ACPI_CUSTOM_DSDT_FILE 

Make ACPI_CUSTOM_DSDT boolean config symbol a hidden and derived
value, based on the value of ACPI_CUSTOM_DSDT_FILE (string).
Only the latter is presented to the user as a config option.

This fixes problems with "make randconfig" setting ACPI_CUSTOM_DSDT
but leaving ACPI_CUSTOM_DSDT_FILE empty/blank.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Randy Dunlap 2008-02-22 11:25:04 -08:00 committed by Len Brown
parent 39273b58a4
commit 7ce9573e09
1 changed files with 9 additions and 10 deletions
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19
drivers/acpi/Kconfig
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@ -283,24 +283,23 @@ config ACPI_TOSHIBA
If you have a legacy free Toshiba laptop (such as the Libretto L1
series), say Y.
config ACPI_CUSTOM_DSDT
bool "Include Custom DSDT"
config ACPI_CUSTOM_DSDT_FILE
string "Custom DSDT Table file to include"
default ""
depends on !STANDALONE
default n
help
This option supports a custom DSDT by linking it into the kernel.
See Documentation/acpi/dsdt-override.txt
If unsure, say N.
config ACPI_CUSTOM_DSDT_FILE
string "Custom DSDT Table file to include"
depends on ACPI_CUSTOM_DSDT
default ""
help
Enter the full path name to the file which includes the AmlCode
declaration.
If unsure, don't enter a file name.
config ACPI_CUSTOM_DSDT
bool
default ACPI_CUSTOM_DSDT_FILE != ""
config ACPI_CUSTOM_DSDT_INITRD
bool "Read Custom DSDT from initramfs"
depends on BLK_DEV_INITRD