[PATCH 3/6] PCI: tegra: Add support to configure sideband pins
From: Vidya Sagar <hidden>
Date: 2019-08-26 07:32:11
Also in:
linux-arm-kernel, linux-pci, linux-tegra, lkml
Subsystem:
pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
Add support to configure sideband signal pins when information is present in respective controller's device-tree node. Signed-off-by: Vidya Sagar <redacted> --- 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