| Message ID | 20230608085544.16211-3-quic_tnimkar@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add provision to keep idle state disabled | expand |
On 08/06/2023 10:55, Tushar Nimkar wrote: > This change adds idle-state-disabled property using which certain or all > idle-states can be kept disabled during boot-up. Once boot-up is completed > same can be enabled using below command. > > echo N > /sys/devices/system/cpu/cpuX/cpuidle/stateX/disab This is a duplicated patch. I already commented on other so to make it clear: NAK for this one :) Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/cpu/idle-states.yaml b/Documentation/devicetree/bindings/cpu/idle-states.yaml index b8cc826c9501..f999bc666bbd 100644 --- a/Documentation/devicetree/bindings/cpu/idle-states.yaml +++ b/Documentation/devicetree/bindings/cpu/idle-states.yaml @@ -358,6 +358,13 @@ patternProperties: systems entry-latency-us + exit-latency-us will exceed wakeup-latency-us by this duration. + idle-state-disabled: + description: | + If present the idle state stays disabled. It can be enabled back from + shell using below command. + echo N > /sys/devices/system/cpu/cpuX/cpuidle/stateX/disable + type: boolean + idle-state-name: $ref: /schemas/types.yaml#/definitions/string description: @@ -548,6 +555,7 @@ examples: CPU_SLEEP_0_0: cpu-sleep-0-0 { compatible = "arm,idle-state"; local-timer-stop; + idle-state-disabled; arm,psci-suspend-param = <0x0010000>; entry-latency-us = <250>; exit-latency-us = <500>;
This change adds idle-state-disabled property using which certain or all idle-states can be kept disabled during boot-up. Once boot-up is completed same can be enabled using below command. echo N > /sys/devices/system/cpu/cpuX/cpuidle/stateX/disable Cc: devicetree@vger.kernel.org Signed-off-by: Tushar Nimkar <quic_tnimkar@quicinc.com> --- Documentation/devicetree/bindings/cpu/idle-states.yaml | 8 ++++++++ 1 file changed, 8 insertions(+)