devm_request_threaded_irq怎么用 获取设备uniqueIdentifier :[UIDevice currentDevice].uniqueIdentifier;,但在ios5中,它已被废弃。 http://kensou.blog.51cto.com/3495587/655083 [[UIDevice currentDevice] systemName]; [[UIDevice currentDevice] systemVersion];//os version [[UIDevice currentDevice] uniqueIdentif...
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...
request_irq() / devm_request_irq() / request_threaded_irq() /devm_request_threaded_irq() 下半部的函数: tasklet,workqueue,softirq 下半部分仍然在原子或中断上下文中运行! 不能传输数据(用户和内核空间); 分配内存要使用GFP_ATOMIC; 不能直接间接调用schedule(); tasklet #include <linux/interrupt.h> ...
ret =devm_request_threaded_irq(&pdev->dev, pm805->irq_audio_short1,NULL, pm805_short_handler, IRQF_ONESHOT,"audio_short1", pm805);if(ret <0) dev_err(&pdev->dev,"Failed to request IRQ: #%d: %d\n", pm805->irq_audio_short1, ret); ret =devm_request_threaded_irq(&pdev->de...
+ 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...
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, + dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); ...
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- IRQF_TRIGGER_RISING, isink->name, isink); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_isink_irq, + IRQF_TRIGGER_RISING, isink->name, + isink); if (ret != 0) { dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n", ...