diff mbox series

[V1,1/9] PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select"

Message ID 20220919143627.13803-2-vidyas@nvidia.com (mailing list archive)
State Superseded
Delegated to: Lorenzo Pieralisi
Headers show
Series Enhancements to pcie-tegra194 driver | expand

Commit Message

Vidya Sagar Sept. 19, 2022, 2:36 p.m. UTC 
The GPIO DT property "nvidia,refclk-select" to select the PCIe reference
clock is optional. Use devm_gpiod_get_optional() to get it.

Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
---
 drivers/pci/controller/dwc/pcie-tegra194.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index 1b6b437823d2..2631685e3315 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1176,9 +1176,9 @@  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;