Reviewed-by: Guo Dong <guo.d...@intel.com>
-----Original Message-----
From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of kavya
Sent: Thursday, August 11, 2022 12:08 AM
To: devel@edk2.groups.io
Cc: Sravanthi, K KavyaX <k.kavyax.sravan...@intel.com>; Dong, Guo
<guo.d...@intel.com>; Ni, Ray <ray...@intel.com>; Rhodes, Sean
<sean@starlabs.systems>; Guo, Gua <gua....@intel.com>
Subject: [edk2-devel] [PATCH] UefiPayloadPkg: Return PciRootBridges instead of
NULL
Return PciRootBridges instead of NULL and set PcdPciDisableBusEnumeration to
FALSE when root bridge count is zero.
Cc: Guo Dong <guo.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
Cc: Gua Guo <gua....@intel.com>
Signed-off-by: Kavya <k.kavyax.sravan...@intel.com>
---
UefiPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/UefiPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c
b/UefiPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c
index e1faa24ae7..fb76853072 100644
--- a/UefiPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c
+++ b/UefiPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeSupport.c
@@ -549,6 +549,7 @@ RetrieveRootBridgeInfoFromHob (
}
if (PciRootBridgeInfo->Count == 0) {
+ PcdSetBoolS (PcdPciDisableBusEnumeration, FALSE);
return NULL;
}
@@ -589,9 +590,8 @@ RetrieveRootBridgeInfoFromHob (
if (PciRootBridgeInfo->ResourceAssigned) {
PcdSetBoolS (PcdPciDisableBusEnumeration, TRUE);
} else {
- DEBUG ((DEBUG_ERROR, "There is root bridge whose ResourceAssigned is
FALSE\n"));
+ DEBUG ((DEBUG_INFO, "There is root bridge whose ResourceAssigned is
+ FALSE\n"));
PcdSetBoolS (PcdPciDisableBusEnumeration, FALSE);
- return NULL;
}
return PciRootBridges;
--
2.30.2.windows.1
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