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,并使用 devm_request_threaded_irq 请求中断,同时注册我们之前定义的中断处理函数 irq_handler。 ### 步骤 3:中断处理 ```c // 中断处理函数中具体的中断...
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...
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); @@ -311,8 +312,6 @@ static int wm831x_gp_ldo_remove(struct ...
1回答 如何在内核Linux中使用内核irq线程? 、、、 我在mmc driver中看到过devm_request_threaded_irq用来启动sdhci_msm_pwr_irq的函数,如下所示: ret = devm_request_threaded_irq 浏览6提问于2020-03-20得票数 0 1回答 Linux reg_read 、、 在reg_read调用之后覆盖reg_write和devm_regmap_init_spi是个好主...
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, ...
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 sprdbat_register_ext_ops(&sprd_2721_op); charger_...
在下文中一共展示了devm_request_threaded_irq函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。 示例1: cpcap_rtc_probe ▲点赞 6▼ staticintcpcap_rtc_probe(struct platform_device *pdev){structdevice*dev= &pdev...
struct xxx_data"类型的指针，这是因为你在调用"devm_request_threaded_irq"时传递了"data"变量，它是...
+ 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...
dev_err(&i2c->dev,"failed to add PMIC irq chip: %d\n", ret);returnret; } ret = devm_mfd_add_devices(max77686->dev,-1, cells, n_devs,NULL,0,NULL);if(ret <0) { dev_err(&i2c->dev,"failed to add MFD devices: %d\n", ret);returnret; ...