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author | Sudeep Holla <sudeep.holla@arm.com> | 2019-10-24 16:18:34 +0100 |
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committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-12-30 15:02:38 +0100 |
commit | b405af3cfa1399913fbe192b62525f924ec85b4b (patch) | |
tree | b38e53acf578fbfb2c12fcf04fdac818ae3d72b9 /block | |
parent | 8c3f67e780eb4b98d8da964031662a6bef89e0a2 (diff) |
cpuidle: psci: Align psci_power_state count with idle state count
Instead of allocating 'n-1' states in psci_power_state to manage 'n'
idle states which include "ARM WFI" state, it would be simpler to have
1:1 mapping between psci_power_state and cpuidle driver states.
ARM WFI state(i.e. idx == 0) is handled specially in the generic macro
CPU_PM_CPU_IDLE_ENTER_PARAM and hence state[-1] is not possible. However
for sake of code readability, it is better to have 1:1 mapping and not
use [idx - 1] to access psci_power_state corresponding to driver cpuidle
state for idx.
psci_power_state[0] is default initialised to 0 and is never accessed
while entering WFI state.
Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions