[V5,10/13] PCI: tegra194: Apply pinctrl settings for both PCIe RP and EP

Manikanta Maddireddy posted 1 patch 2 days, 11 hours ago
drivers/pci/controller/dwc/pcie-tegra194.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
[V5,10/13] PCI: tegra194: Apply pinctrl settings for both PCIe RP and EP
Posted by Manikanta Maddireddy 2 days, 11 hours ago
From: Vidya Sagar <vidyas@nvidia.com>

PERST# and CLKREQ# pinctrl settings should be applied for both root port
and endpoint mode. Move pinctrl_pm_select_default_state() function call
from root port specific configuration function to probe().

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>
---
V5:
* Use dev_err_probe() function

V4:
* None

V3:
* None

V2:
* None

 drivers/pci/controller/dwc/pcie-tegra194.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index bed6edb3d795..ea1f6b26f8ec 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1609,12 +1609,6 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie)
 		goto fail_pm_get_sync;
 	}
 
-	ret = pinctrl_pm_select_default_state(dev);
-	if (ret < 0) {
-		dev_err(dev, "Failed to configure sideband pins: %d\n", ret);
-		goto fail_pm_get_sync;
-	}
-
 	ret = tegra_pcie_init_controller(pcie);
 	if (ret < 0) {
 		dev_err(dev, "Failed to initialize controller: %d\n", ret);
@@ -2079,6 +2073,10 @@ static int tegra_pcie_dw_probe(struct platform_device *pdev)
 	pp = &pci->pp;
 	pp->num_vectors = MAX_MSI_IRQS;
 
+	ret = pinctrl_pm_select_default_state(dev);
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "Failed to configure sideband pins: %d\n", ret);
+
 	ret = tegra_pcie_dw_parse_dt(pcie);
 	if (ret < 0) {
 		const char *level = KERN_ERR;
-- 
2.34.1