commit fd891291ed4db76f08cd897561489e3ed76f40cf
author Rizwan Qureshi <rizwan.qureshi@intel.com> Wed Apr 26 21:00:37 2017 +0530
committer Martin Roth <martinroth@google.com> Mon May 01 01:06:02 2017 +0200
tree 5c4e9f25dcbab87ca34fdd8c9430d96aed753455
parent 852debe648251bc507736fce355d9bb9102c5aaa

pci_device: Write vendor ID to subsystem vendor ID

Write vendor/device id to subsystem vendor/device id
if they are not provided.

Change-Id: I5027331a6adf9109767415ba22dfcb17b35ef54b
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/19467
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>

src/device/pci_device.c

diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index b2e3c9a..e423151 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -599,8 +599,15 @@
 	if (dev->on_mainboard && ops && ops->set_subsystem) {
 		if (CONFIG_SUBSYSTEM_VENDOR_ID)
 			dev->subsystem_vendor = CONFIG_SUBSYSTEM_VENDOR_ID;
+		else if (!dev->subsystem_vendor)
+			dev->subsystem_vendor = pci_read_config16(dev,
+							PCI_VENDOR_ID);
 		if (CONFIG_SUBSYSTEM_DEVICE_ID)
 			dev->subsystem_device = CONFIG_SUBSYSTEM_DEVICE_ID;
+		else if (!dev->subsystem_device)
+			dev->subsystem_device = pci_read_config16(dev,
+							PCI_DEVICE_ID);
+
 		printk(BIOS_DEBUG, "%s subsystem <- %04x/%04x\n",
 			dev_path(dev), dev->subsystem_vendor,
 			dev->subsystem_device);