Rafael J. Wysocki dc2251bf98 cpuidle: Eliminate the CPUIDLE_DRIVER_STATE_START symbol ... On some architectures the first (index 0) idle state is a polling one and it doesn't really save energy, so there is the CPUIDLE_DRIVER_STATE_START symbol allowing some pieces of cpuidle code to avoid using that state. However, this makes the code rather hard to follow. It is better to explicitly avoid the polling state, so add a new cpuidle state flag CPUIDLE_FLAG_POLLING to mark it and make the relevant code check that flag for the first state instead of using the CPUIDLE_DRIVER_STATE_START symbol. In the ACPI processor driver that cannot always rely on the state flags (like before the states table has been set up) define a new internal symbol ACPI_IDLE_STATE_START equivalent to the CPUIDLE_DRIVER_STATE_START one and drop the latter. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>		2017-08-30 03:05:29 +02:00
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ladder.c	cpuidle: Eliminate the CPUIDLE_DRIVER_STATE_START symbol	2017-08-30 03:05:29 +02:00
Makefile	cpuidle: consolidate 2.6.22 cpuidle branch into one patch	2007-10-10 00:12:41 -04:00
menu.c	cpuidle: Eliminate the CPUIDLE_DRIVER_STATE_START symbol	2017-08-30 03:05:29 +02:00