diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 8c36880..b3160a1 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -149,7 +149,7 @@ static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp)
 				   LEG_EP_INTERRUPTS);
 }
 
-static void dra7xx_pcie_host_init(struct pcie_port *pp)
+static int dra7xx_pcie_host_init(struct pcie_port *pp)
 {
 	dw_pcie_setup_rc(pp);
 
@@ -162,6 +162,8 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp)
 	if (IS_ENABLED(CONFIG_PCI_MSI))
 		dw_pcie_msi_init(pp);
 	dra7xx_pcie_enable_interrupts(pp);
+
+	return 0;
 }
 
 static struct pcie_host_ops dra7xx_pcie_host_ops = {
diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
index 01095e1..57f370b 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -481,10 +481,12 @@ static int exynos_pcie_link_up(struct pcie_port *pp)
 	return 0;
 }
 
-static void exynos_pcie_host_init(struct pcie_port *pp)
+static int exynos_pcie_host_init(struct pcie_port *pp)
 {
 	exynos_pcie_establish_link(pp);
 	exynos_pcie_enable_interrupts(pp);
+
+	return 0;
 }
 
 static struct pcie_host_ops exynos_pcie_host_ops = {
diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index 22e8224..9a46680 100644
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -425,7 +425,7 @@ static int imx6_pcie_establish_link(struct pcie_port *pp)
 	return 0;
 }
 
-static void imx6_pcie_host_init(struct pcie_port *pp)
+static int imx6_pcie_host_init(struct pcie_port *pp)
 {
 	imx6_pcie_assert_core_reset(pp);
 
@@ -439,6 +439,8 @@ static void imx6_pcie_host_init(struct pcie_port *pp)
 
 	if (IS_ENABLED(CONFIG_PCI_MSI))
 		dw_pcie_msi_init(pp);
+
+	return 0;
 }
 
 static void imx6_pcie_reset_phy(struct pcie_port *pp)
diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c
index 0aa81bd..2604571 100644
--- a/drivers/pci/host/pci-keystone.c
+++ b/drivers/pci/host/pci-keystone.c
@@ -250,7 +250,7 @@ static int keystone_pcie_fault(unsigned long addr, unsigned int fsr,
 	return 0;
 }
 
-static void __init ks_pcie_host_init(struct pcie_port *pp)
+static int __init ks_pcie_host_init(struct pcie_port *pp)
 {
 	struct keystone_pcie *ks_pcie = to_keystone_pcie(pp);
 	u32 val;
@@ -277,6 +277,8 @@ static void __init ks_pcie_host_init(struct pcie_port *pp)
 	 */
 	hook_fault_code(17, keystone_pcie_fault, SIGBUS, 0,
 			"Asynchronous external abort");
+
+	return 0;
 }
 
 static struct pcie_host_ops keystone_pcie_host_ops = {
diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c
index 3923bed..a6e9070 100644
--- a/drivers/pci/host/pci-layerscape.c
+++ b/drivers/pci/host/pci-layerscape.c
@@ -94,8 +94,9 @@ static int ls1021_pcie_link_up(struct pcie_port *pp)
 	return 1;
 }
 
-static void ls1021_pcie_host_init(struct pcie_port *pp)
+static int ls1021_pcie_host_init(struct pcie_port *pp)
 {
+	int ret;
 	struct ls_pcie *pcie = to_ls_pcie(pp);
 	u32 val, index[2];
 
@@ -103,15 +104,14 @@ static void ls1021_pcie_host_init(struct pcie_port *pp)
 						     "fsl,pcie-scfg");
 	if (IS_ERR(pcie->scfg)) {
 		dev_err(pp->dev, "No syscfg phandle specified\n");
-		pcie->scfg = NULL;
-		return;
+		ret = PTR_ERR(pcie->scfg);
+		goto err;
 	}
 
-	if (of_property_read_u32_array(pp->dev->of_node,
-				       "fsl,pcie-scfg", index, 2)) {
-		pcie->scfg = NULL;
-		return;
-	}
+	ret = of_property_read_u32_array(pp->dev->of_node,
+					 "fsl,pcie-scfg", index, 2);
+	if (ret)
+		goto err;
 	pcie->index = index[1];
 
 	dw_pcie_setup_rc(pp);
@@ -123,6 +123,11 @@ static void ls1021_pcie_host_init(struct pcie_port *pp)
 	val = ioread32(pcie->dbi + PCIE_STRFMR1);
 	val &= 0xffff;
 	iowrite32(val, pcie->dbi + PCIE_STRFMR1);
+
+	return 0;
+err:
+	pcie->scfg = NULL;
+	return ret;
 }
 
 static int ls_pcie_link_up(struct pcie_port *pp)
@@ -140,7 +145,7 @@ static int ls_pcie_link_up(struct pcie_port *pp)
 	return 1;
 }
 
-static void ls_pcie_host_init(struct pcie_port *pp)
+static int ls_pcie_host_init(struct pcie_port *pp)
 {
 	struct ls_pcie *pcie = to_ls_pcie(pp);
 
@@ -148,6 +153,8 @@ static void ls_pcie_host_init(struct pcie_port *pp)
 	ls_pcie_fix_class(pcie);
 	ls_pcie_clear_multifunction(pcie);
 	iowrite32(0, pcie->dbi + PCIE_DBI_RO_WR_EN);
+
+	return 0;
 }
 
 static int ls_pcie_msi_host_init(struct pcie_port *pp,
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 540f077..a80a9ba 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -515,8 +515,11 @@ int dw_pcie_host_init(struct pcie_port *pp)
 		}
 	}
 
-	if (pp->ops->host_init)
-		pp->ops->host_init(pp);
+	if (pp->ops->host_init) {
+		ret = pp->ops->host_init(pp);
+		if (ret)
+			return ret;
+	}
 
 	if (!pp->ops->rd_other_conf)
 		dw_pcie_prog_outbound_atu(pp, PCIE_ATU_REGION_INDEX1,
diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h
index 2356d29..7b5317f 100644
--- a/drivers/pci/host/pcie-designware.h
+++ b/drivers/pci/host/pcie-designware.h
@@ -63,7 +63,7 @@ struct pcie_host_ops {
 	int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
 			unsigned int devfn, int where, int size, u32 val);
 	int (*link_up)(struct pcie_port *pp);
-	void (*host_init)(struct pcie_port *pp);
+	int (*host_init)(struct pcie_port *pp);
 	void (*msi_set_irq)(struct pcie_port *pp, int irq);
 	void (*msi_clear_irq)(struct pcie_port *pp, int irq);
 	phys_addr_t (*get_msi_addr)(struct pcie_port *pp);
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
index b95b756..50b3b31 100644
--- a/drivers/pci/host/pcie-spear13xx.c
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -256,10 +256,12 @@ static int spear13xx_pcie_link_up(struct pcie_port *pp)
 	return 0;
 }
 
-static void spear13xx_pcie_host_init(struct pcie_port *pp)
+static int spear13xx_pcie_host_init(struct pcie_port *pp)
 {
 	spear13xx_pcie_establish_link(pp);
 	spear13xx_pcie_enable_interrupts(pp);
+
+	return 0;
 }
 
 static struct pcie_host_ops spear13xx_pcie_host_ops = {
