diff --git a/Documentation/devicetree/bindings/pci/mvebu-pci.txt b/Documentation/devicetree/bindings/pci/mvebu-pci.txt
index 08c716b2c6b6..2de6f65ecfb1 100644
--- a/Documentation/devicetree/bindings/pci/mvebu-pci.txt
+++ b/Documentation/devicetree/bindings/pci/mvebu-pci.txt
@@ -78,7 +78,8 @@ and the following optional properties:
   multiple lanes. If this property is not found, we assume that the
   value is 0.
 - reset-gpios: optional gpio to PERST#
-- reset-delay-us: delay in us to wait after reset de-assertion
+- reset-delay-us: delay in us to wait after reset de-assertion, if not
+  specified will default to 100ms, as required by the PCIe specification.
 
 Example:
 
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 90e0b6f134ad..cd7d51988738 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -1181,7 +1181,7 @@ static int mvebu_pcie_powerup(struct mvebu_pcie_port *port)
 		return ret;
 
 	if (port->reset_gpio) {
-		u32 reset_udelay = 20000;
+		u32 reset_udelay = PCI_PM_D3COLD_WAIT * 1000;
 
 		of_property_read_u32(port->dn, "reset-delay-us",
 				     &reset_udelay);