REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2068

This change sets the serial IRQ mode to continuous to allow the PS/2
keyboard and mouse to function properly in the OS. In the UEFI boot
environment, the device uses a polling model so this change is not
strictly required for that environment.

Cc: Ankit Sinha <ankit.si...@intel.com>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Signed-off-by: Michael Kubacki <michael.a.kuba...@intel.com>
---
 
Platform/Intel/ClevoOpenBoardPkg/N1xxWU/FspWrapper/Library/PeiSiliconPolicyUpdateLibFsp/PeiPchPolicyUpdate.c
 | 2 ++
 1 file changed, 2 insertions(+)

diff --git 
a/Platform/Intel/ClevoOpenBoardPkg/N1xxWU/FspWrapper/Library/PeiSiliconPolicyUpdateLibFsp/PeiPchPolicyUpdate.c
 
b/Platform/Intel/ClevoOpenBoardPkg/N1xxWU/FspWrapper/Library/PeiSiliconPolicyUpdateLibFsp/PeiPchPolicyUpdate.c
index 0bdd51d288..9cd2bc4d17 100644
--- 
a/Platform/Intel/ClevoOpenBoardPkg/N1xxWU/FspWrapper/Library/PeiSiliconPolicyUpdateLibFsp/PeiPchPolicyUpdate.c
+++ 
b/Platform/Intel/ClevoOpenBoardPkg/N1xxWU/FspWrapper/Library/PeiSiliconPolicyUpdateLibFsp/PeiPchPolicyUpdate.c
@@ -148,6 +148,8 @@ if ((PcdGet8 (PcdSerialIoUartDebugEnable) == 1) &&
   }
 DEBUG_CODE_END();
 
+  FspsUpd->FspsConfig.PchSirqMode = PchContinuousMode;
+
   return EFI_SUCCESS;
 }
 
-- 
2.16.2.windows.1


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