Revert "msm: mdss: Turn off backlight while power off"

This reverts commit 6a499ed36c3ce93b41bd8aea40272b8dd6d70eeb.
Revert "ASoC: jack: Use power efficient workqueue"

This reverts commit 15444df87b63d469be5ef9c0fc6f52308436ab85.
Revert "regulator: core: Use the power efficient workqueue for delayed powerdown"

This reverts commit 923247985a72c345bd5594f3de31a72ca85fd5c7.
Revert "ASoC: pcm: Use the power efficient workqueue for delayed powerdown"

This reverts commit 12a4ff2c324939dc22d72f84af9b201d4d302455.
Revert "PHYLIB: queue work on system_power_efficient_wq"

This reverts commit 1638d7447a542bf4b9e9cd5146fb4d9383891bf3.
Revert "block: queue work on power efficient wq"

This reverts commit 3d3ba8aee44032ec4401a8daef102d67d35d5b8d.
Revert "workqueue: Add system wide power_efficient workqueues"

This reverts commit b13e9649fb5ee6a52a8989866b5de51c8e4957c4.
Revert "workqueues: Introduce new flag WQ_POWER_EFFICIENT for power oriented workqueues"

This reverts commit e90b4ba7f4ae31bcd30b5e429fdad9123a0e1ddf.

Conflicts:
	kernel/workqueue.c