PCI: imx6: Do not output error message when devm_clk_get() failed with -EPROBE_DEFER

When devm_clk_get() returns -EPROBE_DEFER, i.MX6 PCI driver should
NOT print error message, use dev_err_probe() to handle it.

Link: https://lore.kernel.org/r/1597109364-4739-1-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 5fef2613b223ad2188b833f29f7db850b3ebc8b2..d88d30ba6b477c654b3fa3aa02c917c62bc7ac16 100644 (file)
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1073,38 +1073,33 @@ static int imx6_pcie_probe(struct platform_device *pdev)
 
        /* Fetch clocks */
        imx6_pcie->pcie_phy = devm_clk_get(dev, "pcie_phy");
-       if (IS_ERR(imx6_pcie->pcie_phy)) {
-               dev_err(dev, "pcie_phy clock source missing or invalid\n");
-               return PTR_ERR(imx6_pcie->pcie_phy);
-       }
+       if (IS_ERR(imx6_pcie->pcie_phy))
+               return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie_phy),
+                                    "pcie_phy clock source missing or invalid\n");
 
        imx6_pcie->pcie_bus = devm_clk_get(dev, "pcie_bus");
-       if (IS_ERR(imx6_pcie->pcie_bus)) {
-               dev_err(dev, "pcie_bus clock source missing or invalid\n");
-               return PTR_ERR(imx6_pcie->pcie_bus);
-       }
+       if (IS_ERR(imx6_pcie->pcie_bus))
+               return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie_bus),
+                                    "pcie_bus clock source missing or invalid\n");
 
        imx6_pcie->pcie = devm_clk_get(dev, "pcie");
-       if (IS_ERR(imx6_pcie->pcie)) {
-               dev_err(dev, "pcie clock source missing or invalid\n");
-               return PTR_ERR(imx6_pcie->pcie);
-       }
+       if (IS_ERR(imx6_pcie->pcie))
+               return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie),
+                                    "pcie clock source missing or invalid\n");
 
        switch (imx6_pcie->drvdata->variant) {
        case IMX6SX:
                imx6_pcie->pcie_inbound_axi = devm_clk_get(dev,
                                                           "pcie_inbound_axi");
-               if (IS_ERR(imx6_pcie->pcie_inbound_axi)) {
-                       dev_err(dev, "pcie_inbound_axi clock missing or invalid\n");
-                       return PTR_ERR(imx6_pcie->pcie_inbound_axi);
-               }
+               if (IS_ERR(imx6_pcie->pcie_inbound_axi))
+                       return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie_inbound_axi),
+                                            "pcie_inbound_axi clock missing or invalid\n");
                break;
        case IMX8MQ:
                imx6_pcie->pcie_aux = devm_clk_get(dev, "pcie_aux");
-               if (IS_ERR(imx6_pcie->pcie_aux)) {
-                       dev_err(dev, "pcie_aux clock source missing or invalid\n");
-                       return PTR_ERR(imx6_pcie->pcie_aux);
-               }
+               if (IS_ERR(imx6_pcie->pcie_aux))
+                       return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie_aux),
+                                            "pcie_aux clock source missing or invalid\n");
                fallthrough;
        case IMX7D:
                if (dbi_base->start == IMX8MQ_PCIE2_BASE_ADDR)