Interrupt low time for ARMv8-A53

[pro-supportengi]

I want to now what is the minimum low time required for the ARMv8-A53 interrupt to detect as a valid interrupt.

Pls guide with proper reference.

For example, the ethernet driver for the LS1043ARDB and/or toggling a GPIO for an interrupt?

[r8070z]

Have a great day,

The LS1043A interrupt controller (GIC) inputs are asynchronous to any visible clock. GIC inputs are required to be valid for at least 3 SYSCLKs to ensure proper operation.

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[pro-supportengi]

What is the best and worst case latency for interrupts on the LS1043A?  Latency between the occurrences of the interrupt and the start of the ISR.