PCI: kirin: Move the power-off code to a common routine

Instead of having two copies of the same logic, place the power-off logic
in a separate function.

No functional changes.

Link: https://lore.kernel.org/r/64f6e8da3e5fff38b6c8fcb208ace46efe6555bb.1634812676.git.mchehab+huawei@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Xiaowei Song <songxiaowei@hisilicon.com>

drivers/pci/controller/dwc/pcie-kirin.c

@@ -681,6 +681,19 @@ static const struct dw_pcie_host_ops kirin_pcie_host_ops = {
 	.host_init = kirin_pcie_host_init,
 };
 
+static int kirin_pcie_power_off(struct kirin_pcie *kirin_pcie)
+{
+	int i;
+
+	if (kirin_pcie->type == PCIE_KIRIN_INTERNAL_PHY)
+		return hi3660_pcie_phy_power_off(kirin_pcie);
+
+	phy_power_off(kirin_pcie->phy);
+	phy_exit(kirin_pcie->phy);
+
+	return 0;
+}
+
 static int kirin_pcie_power_on(struct platform_device *pdev,
 			       struct kirin_pcie *kirin_pcie)
 {
@@ -726,12 +739,7 @@ static int kirin_pcie_power_on(struct platform_device *pdev,
 
 	return 0;
 err:
-	if (kirin_pcie->type == PCIE_KIRIN_INTERNAL_PHY) {
-		hi3660_pcie_phy_power_off(kirin_pcie);
-	} else {
-		phy_power_off(kirin_pcie->phy);
-		phy_exit(kirin_pcie->phy);
-	}
+	kirin_pcie_power_off(kirin_pcie);
 
 	return ret;
 }
@@ -740,11 +748,7 @@ static int __exit kirin_pcie_remove(struct platform_device *pdev)
 {
 	struct kirin_pcie *kirin_pcie = platform_get_drvdata(pdev);
 
-	if (kirin_pcie->type == PCIE_KIRIN_INTERNAL_PHY)
-		return hi3660_pcie_phy_power_off(kirin_pcie);
-
-	phy_power_off(kirin_pcie->phy);
-	phy_exit(kirin_pcie->phy);
+	kirin_pcie_power_off(kirin_pcie);
 
 	return 0;
 }