From 0ae7383e83c6b1cea1e31173e362765dc24068c7 Mon Sep 17 00:00:00 2001
From: Alan Douglas <adouglas@cadence.com>
Date: Mon, 25 Jun 2018 09:30:53 +0100
Subject: [PATCH] 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>
---
drivers/pci/controller/pcie-cadence-host.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
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);
--
GitLab