Add support to configure sideband signal pins when information is present
in respective controller's device-tree node.

Signed-off-by: Vidya Sagar <vid...@nvidia.com>
---
 drivers/pci/controller/dwc/pcie-tegra194.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c 
b/drivers/pci/controller/dwc/pcie-tegra194.c
index fc0dbeb31d78..8a27b25893c9 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1308,6 +1308,12 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw 
*pcie)
                return ret;
        }
 
+       ret = pinctrl_pm_select_default_state(pcie->dev);
+       if (ret < 0) {
+               dev_err(pcie->dev, "Failed to configure sideband pins\n");
+               return ret;
+       }
+
        tegra_pcie_init_controller(pcie);
 
        pcie->link_state = tegra_pcie_dw_link_up(&pcie->pci);
-- 
2.17.1

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