From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 31 Mar 2011 11:28:25 +0000 (+0000)
Subject: ArmPkg/PL390GixDxe: Return from the interrupt handler when it is a sporadic interrupt
X-Git-Tag: edk2-stable201903~15010
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=fe93eba096ebd65f10d97372a9c4acbd0de13b8b

ArmPkg/PL390GixDxe: Return from the interrupt handler when it is a sporadic interrupt

Sporadic interrupts must not be handled by any interrupt handlers.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11469 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c b/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c
index da86bbcd84..94da7f5a74 100644
--- a/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c
+++ b/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c
@@ -257,6 +257,7 @@ IrqInterruptHandler (
   GicInterrupt = MmioRead32 (PcdGet32(PcdGicInterruptInterfaceBase) + GIC_ICCIAR);
   if (GicInterrupt >= PcdGet32(PcdGicNumInterrupts)) {
     MmioWrite32 (PcdGet32(PcdGicInterruptInterfaceBase) + GIC_ICCEIOR, GicInterrupt);
+    return;
   }
   
   InterruptHandler = gRegisteredInterruptHandlers[GicInterrupt];