diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-tegra194.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-tegra194.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 9ad6e7d6fb99..648e731bccfa 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1063,9 +1063,16 @@ phy_exit: static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) { + struct platform_device *pdev = to_platform_device(pcie->dev); struct device_node *np = pcie->dev->of_node; int ret; + pcie->dbi_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi"); + if (!pcie->dbi_res) { + dev_err(pcie->dev, "Failed to find \"dbi\" region\n"); + return -ENODEV; + } + ret = of_property_read_u32(np, "nvidia,aspm-cmrt-us", &pcie->aspm_cmrt); if (ret < 0) { dev_info(pcie->dev, "Failed to read ASPM T_cmrt: %d\n", ret); |