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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 If you have a legacy free Toshiba laptop (such as the Libretto L1
series), say Y. series), say Y.
config ACPI_CUSTOM_DSDT config ACPI_CUSTOM_DSDT_FILE
bool "Include Custom DSDT" string "Custom DSDT Table file to include"
default ""
depends on !STANDALONE depends on !STANDALONE
default n
help help
This option supports a custom DSDT by linking it into the kernel. This option supports a custom DSDT by linking it into the kernel.
See Documentation/acpi/dsdt-override.txt 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 Enter the full path name to the file which includes the AmlCode
declaration. declaration.
If unsure, don't enter a file name.
config ACPI_CUSTOM_DSDT
bool
default ACPI_CUSTOM_DSDT_FILE != ""
config ACPI_CUSTOM_DSDT_INITRD config ACPI_CUSTOM_DSDT_INITRD
bool "Read Custom DSDT from initramfs" bool "Read Custom DSDT from initramfs"
depends on BLK_DEV_INITRD depends on BLK_DEV_INITRD