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authorRizwan Qureshi <rizwan.qureshi@intel.com>2017-04-26 21:00:37 +0530
committerMartin Roth <martinroth@google.com>2017-05-01 01:06:02 +0200
commitfd891291ed4db76f08cd897561489e3ed76f40cf (patch)
tree5c4e9f25dcbab87ca34fdd8c9430d96aed753455
parent852debe648251bc507736fce355d9bb9102c5aaa (diff)
downloadcoreboot-fd891291ed4db76f08cd897561489e3ed76f40cf.tar.xz
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>
-rw-r--r--src/device/pci_device.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index b2e3c9ac64..e42315166d 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -599,8 +599,15 @@ void pci_dev_enable_resources(struct device *dev)
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);