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 e3e9b7de85920186d004d52ddbc0d9fd268abae7..ec394f6a19c8e6b50cd22c4bea0c5e2e01c59ac8 100644 (file)
--- 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);