Subject: [PATCH 3/6] PCI: tegra: Add support to configure sideband pins

From: Vidya Sagar <[email-masked]>
Date: Mon, 26 Aug 2019 13:01:40 +0530

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

Signed-off-by: Vidya Sagar <[email-masked]>
---
 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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