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author | Len Brown <len.brown@intel.com> | 2008-02-06 19:28:02 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2008-02-07 04:00:38 -0500 |
commit | d89e9d6b4930c6505ac3ed35f57ab7f4311d6cf6 (patch) | |
tree | e4faa7d3ba69d9891776feae6b24881c61a79a9d /Documentation/acpi/dsdt-override.txt | |
parent | 9cbc7960288d28aec95257af59854e1d14ba23b8 (diff) | |
download | kernel_samsung_tuna-d89e9d6b4930c6505ac3ed35f57ab7f4311d6cf6.zip kernel_samsung_tuna-d89e9d6b4930c6505ac3ed35f57ab7f4311d6cf6.tar.gz kernel_samsung_tuna-d89e9d6b4930c6505ac3ed35f57ab7f4311d6cf6.tar.bz2 |
ACPI: update DSDT override documentation
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/acpi/dsdt-override.txt')
-rw-r--r-- | Documentation/acpi/dsdt-override.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/acpi/dsdt-override.txt b/Documentation/acpi/dsdt-override.txt new file mode 100644 index 0000000..5008f25 --- /dev/null +++ b/Documentation/acpi/dsdt-override.txt @@ -0,0 +1,15 @@ +Linux supports two methods of overriding the BIOS DSDT: + +CONFIG_ACPI_CUSTOM_DSDT builds the image into the kernel. + +CONFIG_ACPI_CUSTOM_DSDT_INITRD adds the image to the initrd. + +When to use these methods is described in detail on the +Linux/ACPI home page: +http://www.lesswatts.org/projects/acpi/overridingDSDT.php + +Note that if both options are used, the DSDT supplied +by the INITRD method takes precedence. + +Documentation/initramfs-add-dsdt.sh is provided for convenience +for use with the CONFIG_ACPI_CUSTOM_DSDT_INITRD method. |