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CONFIG_PM_SYSFS_DEPRECATED: Driver model /sys/devices/.../power/state files (DEPRECATED)

General informations

The Linux kernel configuration item CONFIG_PM_SYSFS_DEPRECATED:

Help text

The driver model started out with a sysfs file intended to provide a userspace hook for device power management. This feature has never worked very well, except for limited testing purposes, and so it will be removed. It's not clear that a generic mechanism could really handle the wide variability of device power states; any replacements are likely to be bus or driver specific.



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