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authorLen Brown <len.brown@intel.com>2007-01-11 01:55:25 -0500
committerLen Brown <len.brown@intel.com>2007-01-11 01:55:25 -0500
commit85f4544fbf02f60993c76f5b92517a87f220472d (patch)
treef88eb4526e9cb6684f93b04ab440b42634aa5728 /Documentation/feature-removal-schedule.txt
parentf3a2c3ee458bd614231e548c13acb0cf33a68631 (diff)
parent8b59a454c421542a51c391f542c80d165f7547a0 (diff)
Pull trivial into release branch
Diffstat (limited to 'Documentation/feature-removal-schedule.txt')
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+++ b/Documentation/feature-removal-schedule.txt
@@ -273,3 +273,48 @@ Why: Speedstep-centrino driver with ACPI hooks and acpi-cpufreq driver are
273Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> 273Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
274 274
275--------------------------- 275---------------------------
276
277What: ACPI hotkey driver (CONFIG_ACPI_HOTKEY)
278When: 2.6.21
279Why: hotkey.c was an attempt to consolidate multiple drivers that use
280 ACPI to implement hotkeys. However, hotkeys are not documented
281 in the ACPI specification, so the drivers used undocumented
282 vendor-specific hooks and turned out to be more different than
283 the same.
284
285 Further, the keys and the features supplied by each platform
286 are different, so there will always be a need for
287 platform-specific drivers.
288
289 So the new plan is to delete hotkey.c and instead, work on the
290 platform specific drivers to try to make them look the same
291 to the user when they supply the same features.
292
293 hotkey.c has always depended on CONFIG_EXPERIMENTAL
294
295Who: Len Brown <len.brown@intel.com>
296
297---------------------------
298
299What: /sys/firmware/acpi/namespace
300When: 2.6.21
301Why: The ACPI namespace is effectively the symbol list for
302 the BIOS. The device names are completely arbitrary
303 and have no place being exposed to user-space.
304
305 For those interested in the BIOS ACPI namespace,
306 the BIOS can be extracted and disassembled with acpidump
307 and iasl as documented in the pmtools package here:
308 http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils
309
310Who: Len Brown <len.brown@intel.com>
311
312---------------------------
313
314What: /proc/acpi/button
315When: August 2007
316Why: /proc/acpi/button has been replaced by events to the input layer
317 since 2.6.20.
318Who: Len Brown <len.brown@intel.com>
319
320---------------------------