diff options
Diffstat (limited to 'drivers/usb/dwc3/dwc3-qcom.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-qcom.c | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 959fc925ca7c..3de43df6bbe8 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -167,7 +167,8 @@ static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom) qcom->edev = extcon_get_edev_by_phandle(dev, 0); if (IS_ERR(qcom->edev)) - return PTR_ERR(qcom->edev); + return dev_err_probe(dev, PTR_ERR(qcom->edev), + "Failed to get extcon\n"); qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier; @@ -252,16 +253,14 @@ static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom) qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr"); if (IS_ERR(qcom->icc_path_ddr)) { - dev_err(dev, "failed to get usb-ddr path: %ld\n", - PTR_ERR(qcom->icc_path_ddr)); - return PTR_ERR(qcom->icc_path_ddr); + return dev_err_probe(dev, PTR_ERR(qcom->icc_path_ddr), + "failed to get usb-ddr path\n"); } qcom->icc_path_apps = of_icc_get(dev, "apps-usb"); if (IS_ERR(qcom->icc_path_apps)) { - dev_err(dev, "failed to get apps-usb path: %ld\n", - PTR_ERR(qcom->icc_path_apps)); - ret = PTR_ERR(qcom->icc_path_apps); + ret = dev_err_probe(dev, PTR_ERR(qcom->icc_path_apps), + "failed to get apps-usb path\n"); goto put_path_ddr; } @@ -308,7 +307,16 @@ static void dwc3_qcom_interconnect_exit(struct dwc3_qcom *qcom) /* Only usable in contexts where the role can not change. */ static bool dwc3_qcom_is_host(struct dwc3_qcom *qcom) { - struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); + struct dwc3 *dwc; + + /* + * FIXME: Fix this layering violation. + */ + dwc = platform_get_drvdata(qcom->dwc3); + + /* Core driver may not have probed yet. */ + if (!dwc) + return false; return dwc->xhci; } @@ -791,6 +799,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct dwc3_qcom *qcom; struct resource *res, *parent_res = NULL; + struct resource local_res; int ret, i; bool ignore_pipe_clk; bool wakeup_source; @@ -812,9 +821,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev) qcom->resets = devm_reset_control_array_get_optional_exclusive(dev); if (IS_ERR(qcom->resets)) { - ret = PTR_ERR(qcom->resets); - dev_err(&pdev->dev, "failed to get resets, err=%d\n", ret); - return ret; + return dev_err_probe(&pdev->dev, PTR_ERR(qcom->resets), + "failed to get resets\n"); } ret = reset_control_assert(qcom->resets); @@ -833,7 +841,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev) ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np)); if (ret) { - dev_err(dev, "failed to get clocks\n"); + dev_err_probe(dev, ret, "failed to get clocks\n"); goto reset_assert; } @@ -842,9 +850,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev) if (np) { parent_res = res; } else { - parent_res = kmemdup(res, sizeof(struct resource), GFP_KERNEL); - if (!parent_res) - return -ENOMEM; + memcpy(&local_res, res, sizeof(struct resource)); + parent_res = &local_res; parent_res->start = res->start + qcom->acpi_pdata->qscratch_base_offset; @@ -856,9 +863,10 @@ static int dwc3_qcom_probe(struct platform_device *pdev) if (IS_ERR_OR_NULL(qcom->urs_usb)) { dev_err(dev, "failed to create URS USB platdev\n"); if (!qcom->urs_usb) - return -ENODEV; + ret = -ENODEV; else - return PTR_ERR(qcom->urs_usb); + ret = PTR_ERR(qcom->urs_usb); + goto clk_disable; } } } @@ -938,14 +946,18 @@ reset_assert: return ret; } -static int dwc3_qcom_remove(struct platform_device *pdev) +static void dwc3_qcom_remove(struct platform_device *pdev) { struct dwc3_qcom *qcom = platform_get_drvdata(pdev); + struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; int i; device_remove_software_node(&qcom->dwc3->dev); - of_platform_depopulate(dev); + if (np) + of_platform_depopulate(&pdev->dev); + else + platform_device_put(pdev); for (i = qcom->num_clocks - 1; i >= 0; i--) { clk_disable_unprepare(qcom->clks[i]); @@ -958,8 +970,6 @@ static int dwc3_qcom_remove(struct platform_device *pdev) pm_runtime_allow(dev); pm_runtime_disable(dev); - - return 0; } static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev) @@ -1052,7 +1062,7 @@ MODULE_DEVICE_TABLE(acpi, dwc3_qcom_acpi_match); static struct platform_driver dwc3_qcom_driver = { .probe = dwc3_qcom_probe, - .remove = dwc3_qcom_remove, + .remove_new = dwc3_qcom_remove, .driver = { .name = "dwc3-qcom", .pm = &dwc3_qcom_dev_pm_ops, |