| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 636 | 70.59% | 2 | 22.22% | |
| 242 | 26.86% | 1 | 11.11% | |
| 15 | 1.66% | 1 | 11.11% | |
| 3 | 0.33% | 1 | 11.11% | |
| 2 | 0.22% | 1 | 11.11% | |
| 1 | 0.11% | 1 | 11.11% | |
| 1 | 0.11% | 1 | 11.11% | |
| 1 | 0.11% | 1 | 11.11% | |
| Total | 901 | 9 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Stephen Boyd | 636 | 70.59% | 2 | 22.22% |
| Anirudh Ghayal | 242 | 26.86% | 1 | 11.11% |
| Matti Vaittinen | 15 | 1.66% | 1 | 11.11% |
| Eric Miao | 3 | 0.33% | 1 | 11.11% |
| Bryan O'Donoghue | 2 | 0.22% | 1 | 11.11% |
| Thomas Gleixner | 1 | 0.11% | 1 | 11.11% |
| Chanwoo Choi | 1 | 0.11% | 1 | 11.11% |
| Randy Dunlap | 1 | 0.11% | 1 | 11.11% |
| Total | 901 | 9 |
// SPDX-License-Identifier: GPL-2.0-only /* * extcon-qcom-spmi-misc.c - Qualcomm USB extcon driver to support USB ID * and VBUS detection based on extcon-usb-gpio.c. * * Copyright (C) 2016 Linaro, Ltd. * Stephen Boyd <stephen.boyd@linaro.org> */ #include <linux/devm-helpers.h> #include <linux/extcon-provider.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/workqueue.h> #define USB_ID_DEBOUNCE_MS 5 /* ms */ struct qcom_usb_extcon_info { struct extcon_dev *edev; int id_irq; int vbus_irq; struct delayed_work wq_detcable; unsigned long debounce_jiffies; }; static const unsigned int qcom_usb_extcon_cable[] = { EXTCON_USB, EXTCON_USB_HOST, EXTCON_NONE, }; static void qcom_usb_extcon_detect_cable(struct work_struct *work) { bool state = false; int ret; union extcon_property_value val; struct qcom_usb_extcon_info *info = container_of(to_delayed_work(work), struct qcom_usb_extcon_info, wq_detcable); if (info->id_irq > 0) { /* check ID and update cable state */ ret = irq_get_irqchip_state(info->id_irq, IRQCHIP_STATE_LINE_LEVEL, &state); if (ret) return; if (!state) { val.intval = true; extcon_set_property(info->edev, EXTCON_USB_HOST, EXTCON_PROP_USB_SS, val); } extcon_set_state_sync(info->edev, EXTCON_USB_HOST, !state); } if (info->vbus_irq > 0) { /* check VBUS and update cable state */ ret = irq_get_irqchip_state(info->vbus_irq, IRQCHIP_STATE_LINE_LEVEL, &state); if (ret) return; if (state) { val.intval = true; extcon_set_property(info->edev, EXTCON_USB, EXTCON_PROP_USB_SS, val); } extcon_set_state_sync(info->edev, EXTCON_USB, state); } } static irqreturn_t qcom_usb_irq_handler(int irq, void *dev_id) { struct qcom_usb_extcon_info *info = dev_id; queue_delayed_work(system_power_efficient_wq, &info->wq_detcable, info->debounce_jiffies); return IRQ_HANDLED; } static int qcom_usb_extcon_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct qcom_usb_extcon_info *info; int ret; info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; info->edev = devm_extcon_dev_allocate(dev, qcom_usb_extcon_cable); if (IS_ERR(info->edev)) { dev_err(dev, "failed to allocate extcon device\n"); return -ENOMEM; } ret = devm_extcon_dev_register(dev, info->edev); if (ret < 0) { dev_err(dev, "failed to register extcon device\n"); return ret; } ret = extcon_set_property_capability(info->edev, EXTCON_USB, EXTCON_PROP_USB_SS); ret |= extcon_set_property_capability(info->edev, EXTCON_USB_HOST, EXTCON_PROP_USB_SS); if (ret) { dev_err(dev, "failed to register extcon props rc=%d\n", ret); return ret; } info->debounce_jiffies = msecs_to_jiffies(USB_ID_DEBOUNCE_MS); ret = devm_delayed_work_autocancel(dev, &info->wq_detcable, qcom_usb_extcon_detect_cable); if (ret) return ret; info->id_irq = platform_get_irq_byname_optional(pdev, "usb_id"); if (info->id_irq > 0) { ret = devm_request_threaded_irq(dev, info->id_irq, NULL, qcom_usb_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, pdev->name, info); if (ret < 0) { dev_err(dev, "failed to request handler for ID IRQ\n"); return ret; } } info->vbus_irq = platform_get_irq_byname_optional(pdev, "usb_vbus"); if (info->vbus_irq > 0) { ret = devm_request_threaded_irq(dev, info->vbus_irq, NULL, qcom_usb_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, pdev->name, info); if (ret < 0) { dev_err(dev, "failed to request handler for VBUS IRQ\n"); return ret; } } if (info->id_irq < 0 && info->vbus_irq < 0) { dev_err(dev, "ID and VBUS IRQ not found\n"); return -EINVAL; } platform_set_drvdata(pdev, info); device_init_wakeup(dev, 1); /* Perform initial detection */ qcom_usb_extcon_detect_cable(&info->wq_detcable.work); return 0; } #ifdef CONFIG_PM_SLEEP static int qcom_usb_extcon_suspend(struct device *dev) { struct qcom_usb_extcon_info *info = dev_get_drvdata(dev); int ret = 0; if (device_may_wakeup(dev)) { if (info->id_irq > 0) ret = enable_irq_wake(info->id_irq); if (info->vbus_irq > 0) ret = enable_irq_wake(info->vbus_irq); } return ret; } static int qcom_usb_extcon_resume(struct device *dev) { struct qcom_usb_extcon_info *info = dev_get_drvdata(dev); int ret = 0; if (device_may_wakeup(dev)) { if (info->id_irq > 0) ret = disable_irq_wake(info->id_irq); if (info->vbus_irq > 0) ret = disable_irq_wake(info->vbus_irq); } return ret; } #endif static SIMPLE_DEV_PM_OPS(qcom_usb_extcon_pm_ops, qcom_usb_extcon_suspend, qcom_usb_extcon_resume); static const struct of_device_id qcom_usb_extcon_dt_match[] = { { .compatible = "qcom,pm8941-misc", }, { } }; MODULE_DEVICE_TABLE(of, qcom_usb_extcon_dt_match); static struct platform_driver qcom_usb_extcon_driver = { .probe = qcom_usb_extcon_probe, .driver = { .name = "extcon-pm8941-misc", .pm = &qcom_usb_extcon_pm_ops, .of_match_table = qcom_usb_extcon_dt_match, }, }; module_platform_driver(qcom_usb_extcon_driver); MODULE_DESCRIPTION("QCOM USB ID extcon driver"); MODULE_AUTHOR("Stephen Boyd <stephen.boyd@linaro.org>"); MODULE_LICENSE("GPL v2");