zyfeier opened a new pull request, #8863:
URL: https://github.com/apache/nuttx/pull/8863

   ## Summary
   
   On a GICv2 implementation, setting GICC_CTLR.EOImode to 1 separates the 
priority drop and interrupt deactivation operations, and interrupt handling 
software must:
   1. Perform a valid EOIR write, to cause priority drop on the GIC CPU 
interface.
   2. Subsequently, write to the GICC_DIR, to deactivate the interrupt.
   
   ## Impact
   
   irq
   
   ## Testing
   
   sabre-6quad:nsh ostest pass


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