Merge tag 'pci-v5.9-fixes-2' of git://git.kernel.org/pub/scm/linux/ke…

…rnel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - Fix rockchip regression in rockchip_pcie_valid_device() (Lorenzo
   Pieralisi)

 - Add Pali Rohár as aardvark PCI maintainer (Pali Rohár)

* tag 'pci-v5.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  MAINTAINERS: Add Pali Rohár as aardvark PCI maintainer
  PCI: rockchip: Fix bus checks in rockchip_pcie_valid_device()

MAINTAINERS

@@ -13182,6 +13182,7 @@ F:	drivers/firmware/pcdp.*
 
 PCI DRIVER FOR AARDVARK (Marvell Armada 3700)
 M:	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
+M:	Pali Rohár <pali@kernel.org>
 L:	linux-pci@vger.kernel.org
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained

drivers/pci/controller/pcie-rockchip-host.c

@@ -71,16 +71,13 @@ static void rockchip_pcie_update_txcredit_mui(struct rockchip_pcie *rockchip)
 static int rockchip_pcie_valid_device(struct rockchip_pcie *rockchip,
 				      struct pci_bus *bus, int dev)
 {
-	/* access only one slot on each root port */
-	if (pci_is_root_bus(bus) && dev > 0)
-		return 0;
-
 	/*
-	 * do not read more than one device on the bus directly attached
+	 * Access only one slot on each root port.
+	 * Do not read more than one device on the bus directly attached
 	 * to RC's downstream side.
 	 */
-	if (pci_is_root_bus(bus->parent) && dev > 0)
-		return 0;
+	if (pci_is_root_bus(bus) || pci_is_root_bus(bus->parent))
+		return dev == 0;
 
 	return 1;
 }