diff options
| author | Vidya Sagar <vidyas@nvidia.com> | 2026-03-24 22:07:47 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2026-04-09 00:58:14 +0300 |
| commit | f62bc7917de1374dce86a852ffba8baf9cb7a56a (patch) | |
| tree | 9e549097053e5ffdc15b3b304718a52ada487132 | |
| parent | 40658a31b6e134169c648041efc84944c4c71dcd (diff) | |
| download | linux-f62bc7917de1374dce86a852ffba8baf9cb7a56a.tar.xz | |
PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select"
The GPIO DT property "nvidia,refclk-select", to select the PCIe reference
clock is optional. Use devm_gpiod_get_optional() to get it.
Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>
Link: https://patch.msgid.link/20260324190755.1094879-7-mmaddireddy@nvidia.com
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-tegra194.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index ceb34110a50b..71b80edd10c8 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1167,9 +1167,9 @@ static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) return err; } - pcie->pex_refclk_sel_gpiod = devm_gpiod_get(pcie->dev, - "nvidia,refclk-select", - GPIOD_OUT_HIGH); + pcie->pex_refclk_sel_gpiod = devm_gpiod_get_optional(pcie->dev, + "nvidia,refclk-select", + GPIOD_OUT_HIGH); if (IS_ERR(pcie->pex_refclk_sel_gpiod)) { int err = PTR_ERR(pcie->pex_refclk_sel_gpiod); const char *level = KERN_ERR; |