Merge branch 'remotes/lorenzo/pci/aardvark'

- Emulate the PCI Bridge Subsystem Vendor ID (Pali Rohár)

* remotes/lorenzo/pci/aardvark:
  PCI: aardvark: Add support for PCI Bridge Subsystem Vendor ID on emulated bridge

Author: bjorn-helgaas

drivers/pci/controller/pci-aardvark.c

@@ -33,6 +33,7 @@
 #define PCIE_CORE_DEV_ID_REG					0x0
 #define PCIE_CORE_CMD_STATUS_REG				0x4
 #define PCIE_CORE_DEV_REV_REG					0x8
+#define PCIE_CORE_SSDEV_ID_REG					0x2c
 #define PCIE_CORE_PCIEXP_CAP					0xc0
 #define PCIE_CORE_PCIERR_CAP					0x100
 #define PCIE_CORE_ERR_CAPCTL_REG				0x118
@@ -1077,6 +1078,8 @@ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie)
 	/* Indicates supports for Completion Retry Status */
 	bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS);
 
+	bridge->subsystem_vendor_id = advk_readl(pcie, PCIE_CORE_SSDEV_ID_REG) & 0xffff;
+	bridge->subsystem_id = advk_readl(pcie, PCIE_CORE_SSDEV_ID_REG) >> 16;
 	bridge->has_pcie = true;
 	bridge->data = pcie;
 	bridge->ops = &advk_pci_bridge_emul_ops;