From: Alan Douglas <adouglas@cadence.com>
Date: Mon, 25 Jun 2018 08:30:53 +0000 (+0100)
Subject: PCI: cadence: Add shutdown callback to host driver
X-Git-Tag: v4.19-rc1~123^2~6^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0ae7383e83c6b1cea1e31173e362765dc24068c7;p=thirdparty%2Fkernel%2Flinux.git

PCI: cadence: Add shutdown callback to host driver

Add shutdown callback to host driver which will disable PHY and
PM runtime.

Signed-off-by: Alan Douglas <adouglas@cadence.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
---

diff --git a/drivers/pci/controller/pcie-cadence-host.c b/drivers/pci/controller/pcie-cadence-host.c
index e3e9b7de85920..ec394f6a19c8e 100644
--- a/drivers/pci/controller/pcie-cadence-host.c
+++ b/drivers/pci/controller/pcie-cadence-host.c
@@ -343,6 +343,20 @@ static int cdns_pcie_host_probe(struct platform_device *pdev)
 	return ret;
 }
 
+static void cdns_pcie_shutdown(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct cdns_pcie *pcie = dev_get_drvdata(dev);
+	int ret;
+
+	ret = pm_runtime_put_sync(dev);
+	if (ret < 0)
+		dev_dbg(dev, "pm_runtime_put_sync failed\n");
+
+	pm_runtime_disable(dev);
+	cdns_pcie_disable_phy(pcie);
+}
+
 static struct platform_driver cdns_pcie_host_driver = {
 	.driver = {
 		.name = "cdns-pcie-host",
@@ -350,5 +364,6 @@ static struct platform_driver cdns_pcie_host_driver = {
 		.pm	= &cdns_pcie_pm_ops,
 	},
 	.probe = cdns_pcie_host_probe,
+	.shutdown = cdns_pcie_shutdown,
 };
 builtin_platform_driver(cdns_pcie_host_driver);