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path: root/drivers/pci/controller/dwc/pcie-kirin.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pcie-kirin.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-kirin.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
index 66e3aefcb817..6c9fb3f219ba 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -342,6 +342,18 @@ static int hi3660_pcie_phy_init(struct platform_device *pdev,
return hi3660_pcie_phy_get_resource(phy);
}
+static int hi3660_pcie_phy_power_off(struct kirin_pcie *pcie)
+{
+ struct hi3660_pcie_phy *phy = pcie->phy_priv;
+
+ /* Drop power supply for Host */
+ regmap_write(phy->sysctrl, SCTRL_PCIE_CMOS_OFFSET, 0x00);
+
+ hi3660_pcie_phy_clk_ctrl(phy, false);
+
+ return 0;
+}
+
/*
* The non-PHY part starts here
*/
@@ -561,7 +573,6 @@ static int kirin_pcie_add_bus(struct pci_bus *bus)
return 0;
}
-
static struct pci_ops kirin_pci_ops = {
.read = kirin_pcie_rd_own_conf,
.write = kirin_pcie_wr_own_conf,
@@ -715,8 +726,12 @@ static int kirin_pcie_power_on(struct platform_device *pdev,
return 0;
err:
- if (kirin_pcie->type != PCIE_KIRIN_INTERNAL_PHY)
+ 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);
+ }
return ret;
}
@@ -726,7 +741,7 @@ 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 0;
+ return hi3660_pcie_phy_power_off(kirin_pcie);
phy_power_off(kirin_pcie->phy);
phy_exit(kirin_pcie->phy);