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| author | Len Brown <len.brown@intel.com> | 2007-01-11 01:49:44 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-01-11 01:49:44 -0500 |
| commit | 1bb67c2582f4271488721001a707124fd0af347e (patch) | |
| tree | 1c9f941eb4b0df8ec096f10790a36022cf0c667e /Documentation | |
| parent | d6637b28ffb38f207015c990e481fde5bba233d7 (diff) | |
| download | op-kernel-dev-1bb67c2582f4271488721001a707124fd0af347e.zip op-kernel-dev-1bb67c2582f4271488721001a707124fd0af347e.tar.gz | |
ACPI: schedule obsolete features for deletion
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 30f3c8c..2ee16b49 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -256,3 +256,48 @@ Why: Speedstep-centrino driver with ACPI hooks and acpi-cpufreq driver are Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> --------------------------- + +What: ACPI hotkey driver (CONFIG_ACPI_HOTKEY) +When: 2.6.21 +Why: hotkey.c was an attempt to consolidate multiple drivers that use + ACPI to implement hotkeys. However, hotkeys are not documented + in the ACPI specification, so the drivers used undocumented + vendor-specific hooks and turned out to be more different than + the same. + + Further, the keys and the features supplied by each platform + are different, so there will always be a need for + platform-specific drivers. + + So the new plan is to delete hotkey.c and instead, work on the + platform specific drivers to try to make them look the same + to the user when they supply the same features. + + hotkey.c has always depended on CONFIG_EXPERIMENTAL + +Who: Len Brown <len.brown@intel.com> + +--------------------------- + +What: /sys/firmware/acpi/namespace +When: 2.6.21 +Why: The ACPI namespace is effectively the symbol list for + the BIOS. The device names are completely arbitrary + and have no place being exposed to user-space. + + For those interested in the BIOS ACPI namespace, + the BIOS can be extracted and disassembled with acpidump + and iasl as documented in the pmtools package here: + http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils + +Who: Len Brown <len.brown@intel.com> + +--------------------------- + +What: /proc/acpi/button +When: August 2007 +Why: /proc/acpi/button has been replaced by events to the input layer + since 2.6.20. +Who: Len Brown <len.brown@intel.com> + +--------------------------- |
