diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index 5ae58ec025c8b740d4c5ab8cadea202366bc428c..4e6cf8804979499e6ec4b96f7e4d4b57d0f7d2c0 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -312,6 +312,9 @@ static int pcie_init(struct sh7786_pcie_port *port)
 	data |= 0x1;
 	pci_write_reg(chan, data, SH4A_PCIETCTLR);
 
+	/* Let things settle down a bit.. */
+	mdelay(100);
+
 	/* Enable DL_Active Interrupt generation */
 	data = pci_read_reg(chan, SH4A_PCIEDLINTENR);
 	data |= PCIEDLINTENR_DLL_ACT_ENABLE;