Re: [PATCH 4/7] phy: allwinner: a523: add USB3/PCIe PHY driver
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2025-08-16 09:33:13
Also in:
linux-arm-kernel, linux-clk, linux-phy, linux-sunxi, lkml
On 16/08/2025 10:46, iuncuim wrote:
+
+ phy->reset = devm_reset_control_get(dev, NULL);
+ if (IS_ERR(phy->reset)) {
+ dev_err(dev, "failed to get reset control\n");
+ return PTR_ERR(phy->reset);Syntax is return dev_err_probe.
+ }
+
+ phy->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(phy->regs))
+ return PTR_ERR(phy->regs);
+
+ phy->regs_clk = phy->regs + PHY_CLK_OFFSET;
+ if (IS_ERR(phy->regs_clk))
+ return PTR_ERR(phy->regs_clk);
+
+ phy->phy = devm_phy_create(dev, NULL, &sun55i_usb3_pcie_phy_ops);
+ if (IS_ERR(phy->phy)) {
+ dev_err(dev, "failed to create PHY\n");
+ return PTR_ERR(phy->phy);
+ }
+
+ phy_set_drvdata(phy->phy, phy);
+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+
+ ret = sun55i_usb3_pcie_clk_init(phy);
+ if (ret)
+ return ret;
+ dev_info(phy->dev, "phy version is: 0x%x\n", readl(phy->regs));This should be rather dev_dbg. See coding style.
+
+ return PTR_ERR_OR_ZERO(phy_provider);
+}
+
+static const struct of_device_id sun55i_usb3_pcie_phy_of_match[] = {
+ { .compatible = "allwinner,sun55i-a523-usb3-pcie-phy" },Please run scripts/checkpatch.pl on the patches and fix reported warnings. After that, run also 'scripts/checkpatch.pl --strict' on the patches and (probably) fix more warnings. Some warnings can be ignored, especially from --strict run, but the code here looks like it needs a fix. Feel free to get in touch if the warning is not clear.
+ { },
+};
+MODULE_DEVICE_TABLE(of, sun55i_usb3_pcie_phy_of_match);
+
+static struct platform_driver sun55i_usb3_pcie_phy_driver = {
+ .probe = sun55i_usb3_pcie_phy_probe,
+ .driver = {
+ .of_match_table = sun55i_usb3_pcie_phy_of_match,
+ .name = "sun55i-usb3-pcie-phy",
+ }
+};
+module_platform_driver(sun55i_usb3_pcie_phy_driver);
+
+MODULE_DESCRIPTION("Allwinner A523 USB3/PCIe phy driver");
+MODULE_AUTHOR("Mikhail Kalashnikov [off-list ref]");
+MODULE_LICENSE("GPL");Best regards, Krzysztof