This patch set is against acpi-test sysfs branch,
and will duplicate several ACPI procfs functions in sysfs.
Patch 01:
add a Kconfig option to make ACPI procfs configurable.
This will be used by all the following sysfs conversion patches.
Patch 02:
add ACPI debug attribute in sysfs.
/proc/acpi/debug_layer && debug_level is deprecated by
/sys/module/acpi/parameter/debug_layer && debug_level.
Patch 03:
add ACPICA version in sysfs.
/proc/acpi/info is deprecated by /sys/firmware/acpi/version.
Wish list:
Sysfs interfaces for all the ACPI tables, like the multiple ssdts and
dynamic loaded ssdts, which are likely to be listed under
/sys/firmware/acpi/tables/...
"wakeup" attribute for ACPI wakeup devices.
1. Try to map ACPI devices to the physical devices.
It's not very easy, as we can not find a generic method to
map ACPI wakeup devices to physical devices. So I have to
divide them into several groups, e.g. PCI, legacy serial,
legacy PS2, etc. And verify which group the ACPI device
belongs to.
2. add "wakeup" properly to /sys/device/(not ACPI)/...
I'll investigate the possibility of integrating this one into
/sys/device/.../power/wakeup.
3. consolidate all wakeup devices in one place for convenience.
E.g. /sys/power/wakeup/, symbolic links with useful names.
(note that links here are from "real" devices node in sysfs,
so it's a generic interface for systems both w/ and w/o ACPI)
4. remove /proc/acpi/wakeup,
since it's replaced by /sys/power/wakeup/...
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