[PATCH v7 3/7] PCI: j721e: Use dev_err_probe() in the probe() function

Thomas Richard
2024-06-19T10:15:53Z

Use dev_err_probe() instead of dev_err() in the probe() function to
simplify the code and standardize the error output.

Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
drivers/pci/controller/cadence/pci-j721e.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 85718246016b..98484f001562 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -482,20 +482,20 @@ static int j721e_pcie_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
- dev_err(dev, "pm_runtime_get_sync failed\n");
+ dev_err_probe(dev, ret, "pm_runtime_get_sync failed\n");
goto err_get_sync;
}

ret = j721e_pcie_ctrl_init(pcie);
if (ret < 0) {
- dev_err(dev, "pm_runtime_get_sync failed\n");
+ dev_err_probe(dev, ret, "pm_runtime_get_sync failed\n");
goto err_get_sync;
}

ret = devm_request_irq(dev, irq, j721e_pcie_link_irq_handler, 0,
"j721e-pcie-link-down-irq", pcie);
if (ret < 0) {
- dev_err(dev, "failed to request link state IRQ %d\n", irq);
+ dev_err_probe(dev, ret, "failed to request link state IRQ %d\n", irq);
goto err_get_sync;
}

@@ -505,28 +505,25 @@ static int j721e_pcie_probe(struct platform_device *pdev)
case PCI_MODE_RC:
gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(gpiod)) {
- ret = PTR_ERR(gpiod);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to get reset GPIO\n");
+ ret = dev_err_probe(dev, PTR_ERR(gpiod), "Failed to get reset GPIO\n");
goto err_get_sync;
}

ret = cdns_pcie_init_phy(dev, cdns_pcie);
if (ret) {
- dev_err(dev, "Failed to init phy\n");
+ dev_err_probe(dev, ret, "Failed to init phy\n");
goto err_get_sync;
}

clk = devm_clk_get_optional(dev, "pcie_refclk");
if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- dev_err(dev, "failed to get pcie_refclk\n");
+ ret = dev_err_probe(dev, PTR_ERR(clk), "failed to get pcie_refclk\n");
goto err_pcie_setup;
}

ret = clk_prepare_enable(clk);
if (ret) {
- dev_err(dev, "failed to enable pcie_refclk\n");
+ dev_err_probe(dev, ret, "failed to enable pcie_refclk\n");
goto err_pcie_setup;
}
pcie->refclk = clk;
@@ -554,7 +551,7 @@ static int j721e_pcie_probe(struct platform_device *pdev)
case PCI_MODE_EP:
ret = cdns_pcie_init_phy(dev, cdns_pcie);
if (ret) {
- dev_err(dev, "Failed to init phy\n");
+ dev_err_probe(dev, ret, "Failed to init phy\n");
goto err_get_sync;
}

--
2.39.2