[PATCH] PCI: tegra: Don't print an error on -EPROBE_DEFER

[Vidya Sagar]

APIs like devm_regulator_get() and devm_phy_get() have the potential to
return -EPROBE_DEFER when the respective sub-systems are not ready yet.
So avoid printing an error message as .probe() will be tried out again
at a later point of time anyway.

Signed-off-by: Vidya Sagar <vid...@nvidia.com>
---
 drivers/pci/controller/dwc/pcie-tegra194.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c 
b/drivers/pci/controller/dwc/pcie-tegra194.c
index fc0dbeb31d78..c730986ed34d 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1368,9 +1368,11 @@ static int tegra_pcie_dw_probe(struct platform_device 
*pdev)
 
        pcie->pex_ctl_supply = devm_regulator_get(dev, "vddio-pex-ctl");
        if (IS_ERR(pcie->pex_ctl_supply)) {
-               dev_err(dev, "Failed to get regulator: %ld\n",
-                       PTR_ERR(pcie->pex_ctl_supply));
-               return PTR_ERR(pcie->pex_ctl_supply);
+               ret = PTR_ERR(pcie->pex_ctl_supply);
+               if (ret != -EPROBE_DEFER)
+                       dev_err(dev, "Failed to get regulator: %ld\n",
+                               PTR_ERR(pcie->pex_ctl_supply));
+               return ret;
        }
 
        pcie->core_clk = devm_clk_get(dev, "core");
@@ -1412,7 +1414,8 @@ static int tegra_pcie_dw_probe(struct platform_device 
*pdev)
                kfree(name);
                if (IS_ERR(phys[i])) {
                        ret = PTR_ERR(phys[i]);
-                       dev_err(dev, "Failed to get PHY: %d\n", ret);
+                       if (ret != -EPROBE_DEFER)
+                               dev_err(dev, "Failed to get PHY: %d\n", ret);
                        return ret;
                }
        }
-- 
2.17.1