int ret = devm_request_threaded_irq(dev, irq, NULL, irq_handler, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "my_interrupt", NULL); if (ret) { dev_err(dev, "Unable to request IRQ: %d\n", irq); return ret; } ``` 在上面的代码示例中,我们首先通过 gpio_to_irq 将 GPIO 转换为中断号,并...
devm_request_threaded_irq ## 了解如何使用devm_request_threaded_irq 实现中断处理 作为一名经验丰富的开发者,掌握如何正确地使用devm_request_threaded_irq 是非常重要的。在本文中,我将向你介绍如何实现这一过程,并提供代码示例帮助你更好地理解。 ### 什么是devm_request_threaded_irq? 在 Linux 内核开发中,de...
将设备树中断标志映射到devm_request_irq 、、 .flags = IRQF_TRIGGER_FALLING; ret =devm_request_irq(&pdev/drivers/crypto/mxs-dcp.c: ret =devm_request_irq(dev, dcp_vmi_irq, mxs_dcp_irq, 0, ./drivers/crypto/mxs-dcp.c: ret =d
{ ret = devm_gpio_request...gpio_chg_cv_state); irq_set_status_flags(pdata->irq_chg_cv_state, IRQ_NOAUTOEN); ret = devm_request_threaded_irq...%d\n", ret); return ret; } } if (pdata->gpio_vchg_ovi) { ret = devm_gpio_request...sprdchg_cccv_cal_get(); //注册回调函数...
err =devm_request_threaded_irq(dev, rtc->alarm_irq,NULL, cpcap_rtc_alarm_irq, IRQF_TRIGGER_NONE,"rtc_alarm", rtc);if(err) { dev_err(dev,"Could not request alarm irq: %d\n", err);returnerr; } disable_irq(rtc->alarm_irq);/* Stock Android uses the 1 Hz interrupt for "secure...
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_ldo_uv_irq, + IRQF_TRIGGER_RISING, ldo->name, ldo); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); @@ -536,8 +536,6 @@ static int wm831x_aldo_remove(str...
err = devm_request_threaded_irq(dev, irq,NULL, chtdc_ti_pwrbtn_interrupt,0, KBUILD_MODNAME, input);if(err)returnerr; device_init_wakeup(dev,true); dev_pm_set_wake_irq(dev, irq);return0; } 開發者ID:Lyude,項目名稱:linux,代碼行數:33,代碼來源:intel_chtdc_ti_pwrbtn.c ...
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_oc_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request HC IRQ %d: %d\n", irq, ret);
先看一个使用device resource management的例子(IRQ模块):1:/*include/linux/interrupt.h*/2:staticinlineint__must_check3: devm_request_irq(structdevice *dev, unsignedintirq, irq_handler_t handler,4: unsignedlongirqflags,constchar*devname,void*dev_id)5: {6:returndevm_request_threaded_irq(dev, ...