diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 9595fad..f63491c 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -127,7 +127,7 @@ static void dra7xx_pcie_enable_interrupts(struct dra7xx_pcie *dra7xx)
 				   LEG_EP_INTERRUPTS);
 }
 
-static void dra7xx_pcie_host_init(struct pcie_port *pp)
+static int dra7xx_pcie_host_init(struct pcie_port *pp)
 {
 	struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp);
 
@@ -142,6 +142,8 @@ 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(dra7xx);
+
+	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 f1c544b..b5a8f11 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -458,12 +458,14 @@ 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)
 {
 	struct exynos_pcie *exynos_pcie = to_exynos_pcie(pp);
 
 	exynos_pcie_establish_link(exynos_pcie);
 	exynos_pcie_enable_interrupts(exynos_pcie);
+
+	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 c8cefb0..4844367 100644
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -550,7 +550,7 @@ static int imx6_pcie_establish_link(struct imx6_pcie *imx6_pcie)
 	return ret;
 }
 
-static void imx6_pcie_host_init(struct pcie_port *pp)
+static int imx6_pcie_host_init(struct pcie_port *pp)
 {
 	struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
 
@@ -562,6 +562,8 @@ static void imx6_pcie_host_init(struct pcie_port *pp)
 
 	if (IS_ENABLED(CONFIG_PCI_MSI))
 		dw_pcie_msi_init(pp);
+
+	return 0;
 }
 
 static int imx6_pcie_link_up(struct pcie_port *pp)
diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c
index 043c19a..fded7f9 100644
--- a/drivers/pci/host/pci-keystone.c
+++ b/drivers/pci/host/pci-keystone.c
@@ -260,7 +260,7 @@ 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;
@@ -287,6 +287,8 @@ 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 6537079..d3a7266 100644
--- a/drivers/pci/host/pci-layerscape.c
+++ b/drivers/pci/host/pci-layerscape.c
@@ -103,7 +103,7 @@ 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)
 {
 	struct device *dev = pp->dev;
 	struct ls_pcie *pcie = to_ls_pcie(pp);
@@ -114,19 +114,21 @@ static void ls1021_pcie_host_init(struct pcie_port *pp)
 	if (IS_ERR(pcie->scfg)) {
 		dev_err(dev, "No syscfg phandle specified\n");
 		pcie->scfg = NULL;
-		return;
+		return 0;
 	}
 
 	if (of_property_read_u32_array(dev->of_node,
 				       "fsl,pcie-scfg", index, 2)) {
 		pcie->scfg = NULL;
-		return;
+		return 0;
 	}
 	pcie->index = index[1];
 
 	dw_pcie_setup_rc(pp);
 
 	ls_pcie_drop_msg_tlp(pcie);
+
+	return 0;
 }
 
 static int ls_pcie_link_up(struct pcie_port *pp)
@@ -144,7 +146,7 @@ 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);
 
@@ -153,6 +155,8 @@ static void ls_pcie_host_init(struct pcie_port *pp)
 	ls_pcie_clear_multifunction(pcie);
 	ls_pcie_drop_msg_tlp(pcie);
 	iowrite32(0, pcie->pp.dbi_base + 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-armada8k.c b/drivers/pci/host/pcie-armada8k.c
index 0ac0f18..29bdd8b 100644
--- a/drivers/pci/host/pcie-armada8k.c
+++ b/drivers/pci/host/pcie-armada8k.c
@@ -134,12 +134,14 @@ static void armada8k_pcie_establish_link(struct armada8k_pcie *pcie)
 		dev_err(pp->dev, "Link not up after reconfiguration\n");
 }
 
-static void armada8k_pcie_host_init(struct pcie_port *pp)
+static int armada8k_pcie_host_init(struct pcie_port *pp)
 {
 	struct armada8k_pcie *pcie = to_armada8k_pcie(pp);
 
 	dw_pcie_setup_rc(pp);
 	armada8k_pcie_establish_link(pcie);
+
+	return 0;
 }
 
 static irqreturn_t armada8k_pcie_irq_handler(int irq, void *arg)
diff --git a/drivers/pci/host/pcie-designware-plat.c b/drivers/pci/host/pcie-designware-plat.c
index 8df6312..a4f146a 100644
--- a/drivers/pci/host/pcie-designware-plat.c
+++ b/drivers/pci/host/pcie-designware-plat.c
@@ -35,13 +35,15 @@ static irqreturn_t dw_plat_pcie_msi_irq_handler(int irq, void *arg)
 	return dw_handle_msi_irq(pp);
 }
 
-static void dw_plat_pcie_host_init(struct pcie_port *pp)
+static int dw_plat_pcie_host_init(struct pcie_port *pp)
 {
 	dw_pcie_setup_rc(pp);
 	dw_pcie_wait_for_link(pp);
 
 	if (IS_ENABLED(CONFIG_PCI_MSI))
 		dw_pcie_msi_init(pp);
+
+	return 0;
 }
 
 static struct pcie_host_ops dw_plat_pcie_host_ops = {
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index bed1999..4a81b72 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -638,7 +638,9 @@ int dw_pcie_host_init(struct pcie_port *pp)
 	}
 
 	if (pp->ops->host_init)
-		pp->ops->host_init(pp);
+		ret = pp->ops->host_init(pp);
+			if (ret < 0)
+				goto error;
 
 	pp->root_bus_nr = pp->busn->start;
 	if (IS_ENABLED(CONFIG_PCI_MSI)) {
diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h
index a567ea2..eacf18f 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-qcom.c b/drivers/pci/host/pcie-qcom.c
index f37c690..14f730a 100644
--- a/drivers/pci/host/pcie-qcom.c
+++ b/drivers/pci/host/pcie-qcom.c
@@ -582,7 +582,7 @@ static void qcom_pcie_deinit_v2(struct qcom_pcie *pcie)
 	clk_disable_unprepare(res->pipe_clk);
 }
 
-static void qcom_pcie_host_init(struct pcie_port *pp)
+static int qcom_pcie_host_init(struct pcie_port *pp)
 {
 	struct qcom_pcie *pcie = to_qcom_pcie(pp);
 	int ret;
@@ -611,12 +611,14 @@ static void qcom_pcie_host_init(struct pcie_port *pp)
 	if (ret)
 		goto err;
 
-	return;
+	return ret;
 err:
 	qcom_ep_reset_assert(pcie);
 	phy_power_off(pcie->phy);
 err_deinit:
 	pcie->ops->deinit(pcie);
+
+	return ret;
 }
 
 static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
index 3cf197b..5f7ae90 100644
--- a/drivers/pci/host/pcie-spear13xx.c
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -174,12 +174,14 @@ 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)
 {
 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);
 
 	spear13xx_pcie_establish_link(spear13xx_pcie);
 	spear13xx_pcie_enable_interrupts(spear13xx_pcie);
+
+	return 0;
 }
 
 static struct pcie_host_ops spear13xx_pcie_host_ops = {
