diff options
| -rw-r--r-- | ArmPkg/Drivers/PL390Gic/PL390GicDxe.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c b/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c index 3292988502..f382431e90 100644 --- a/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c +++ b/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c @@ -259,9 +259,10 @@ IrqInterruptHandler ( HARDWARE_INTERRUPT_HANDLER InterruptHandler; GicInterrupt = MmioRead32 (PcdGet32(PcdGicInterruptInterfaceBase) + ARM_GIC_ICCIAR); - //TODO: Comment me + + // Special Interrupts (ID1020-ID1023) have an Interrupt ID greater than the number of interrupt (ie: Spurious interrupt). if (GicInterrupt >= PcdGet32(PcdGicNumInterrupts)) { - MmioWrite32 (PcdGet32(PcdGicInterruptInterfaceBase) + ARM_GIC_ICCEIOR, GicInterrupt); + // The special interrupt do not need to be acknowledge return; } |