summaryrefslogtreecommitdiffstats
path: root/drivers/pci/controller/dwc/pci-imx6.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/controller/dwc/pci-imx6.c')
-rw-r--r--drivers/pci/controller/dwc/pci-imx6.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 52e47dac028f..80f843030e36 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -310,6 +310,9 @@ static int imx6_pcie_attach_pd(struct device *dev)
imx6_pcie->pd_pcie = dev_pm_domain_attach_by_name(dev, "pcie");
if (IS_ERR(imx6_pcie->pd_pcie))
return PTR_ERR(imx6_pcie->pd_pcie);
+ /* Do nothing when power domain missing */
+ if (!imx6_pcie->pd_pcie)
+ return 0;
link = device_link_add(dev, imx6_pcie->pd_pcie,
DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME |
@@ -323,13 +326,13 @@ static int imx6_pcie_attach_pd(struct device *dev)
if (IS_ERR(imx6_pcie->pd_pcie_phy))
return PTR_ERR(imx6_pcie->pd_pcie_phy);
- device_link_add(dev, imx6_pcie->pd_pcie_phy,
+ link = device_link_add(dev, imx6_pcie->pd_pcie_phy,
DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME |
DL_FLAG_RPM_ACTIVE);
- if (IS_ERR(link)) {
- dev_err(dev, "Failed to add device_link to pcie_phy pd: %ld\n", PTR_ERR(link));
- return PTR_ERR(link);
+ if (!link) {
+ dev_err(dev, "Failed to add device_link to pcie_phy pd.\n");
+ return -EINVAL;
}
return 0;