[coreboot-gerrit] Change in coreboot[master]: libpayload/libpci: Add parent pointer to pci_dev

[Felix Singer (Code Review)]

Felix Singer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/46346 )

Change subject: libpayload/libpci: Add parent pointer to pci_dev
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libpayload/libpci: Add parent pointer to pci_dev

Change-Id: I4c0aa4f23d4173c09cfc343f657be9eefc8038d1
Signed-off-by: Felix Singer 
---
M payloads/libpayload/include/pci/pci.h
M payloads/libpayload/libpci/libpci.c
2 files changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/46/46346/1

diff --git a/payloads/libpayload/include/pci/pci.h b/payloads/libpayload/include/pci/pci.h
index 8c11d6b..37aeafa 100644
--- a/payloads/libpayload/include/pci/pci.h
+++ b/payloads/libpayload/include/pci/pci.h
@@ -74,6 +74,7 @@
    u16 domain;
    u8 bus, dev, func;
    u16 vendor_id, device_id;
+	struct pci_dev *parent;
    struct pci_dev *next;
 };

diff --git a/payloads/libpayload/libpci/libpci.c b/payloads/libpayload/libpci/libpci.c
index 3e3513c..50cd228 100644
--- a/payloads/libpayload/libpci/libpci.c
+++ b/payloads/libpayload/libpci/libpci.c
@@ -170,7 +170,11 @@
    	    val == 0x0000ffff || val == 0xffff0000)
    		continue;

+		/* Create new child device */
    	dev->next = malloc(sizeof(struct pci_dev));
+		dev->next->parent = dev;
+
+		/* Configure new child device */
    	dev = dev->next;
    	dev->domain = 0;
    	dev->bus = bus;