int device_add(struct device *dev) { error = device_private_init(dev); klist_add_tail(&dev->p->knode_parent, &parent->p->klist_children); } 初始化自身的klist_children static int device_private_init(struct device *dev) { dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL); dev->p...
* the device; typically because it depends on another driver getting * probed first. * @device - pointer back to the struct device that this structure is * associated with. * * Nothing outside of the driver core should ever touch these fields. */ struct device_private { struct klist klis...
struct device *parent; struct device_private *p; struct kobject kobj; const char *init_name; /* initial name of the device */ const struct device_type *type; struct mutex mutex; /* mutex to synchronize calls to its driver.*/ struct bus_type *bus; /* type of bus device is on */ ...
* @of_node: Associated device tree node. * @fwnode: Associated device node supplied by platform firmware. * @devt: For creating the sysfs "dev". * @id: device instance * @devres_lock: Spinlock to protect the resource of the device. * @devres_head: The resources list of the device. ...
void(*shutdown) (struct device *dev); int(*suspend) (struct device *dev,pm_message_tstate); int(*resume) (struct device *dev); conststructattribute_group**groups; conststructdev_pm_ops*pm; structdriver_private*p; }; 其中: constchar*name; ...
struct device_private *p; struct kobject kobj; const char *init_name; /* initial name of the device */ const struct device_type *type; struct mutex mutex; /* mutex to synchronize calls to * its driver. */ struct bus_type *bus; /* type of bus device is on */ ...
struct subsys_private *p; ... }; struct bus_type i2c_bus_type = { .name = "i2c", .match = i2c_device_match, .probe = i2c_device_probe, .remove = i2c_device_remove, .shutdown = i2c_device_shutdown, }; 当这个模块被加载进系统时,就会执行i2c_init函数来进行初始化。
private标识日志的作用是什么,如何通过hilog打印的日志查看标识为private的内容 如何进行全局异常捕获机制,类似ANR机制 如何通过hdc命令将.hsp文件安装到设备中 如何查看ArkCompiler出现Error日志时,具体的异常调用栈信息 hdc工具的属性开关有哪些?例如Ark属性开关等 hdc工具导出/导入文件等常用hdc命令有哪些 如何...
/*type of bus device is on*/12structdevice_driver *driver;/*which driver has allocated this13device*/14void*driver_data;/*data private to the driver*/15void*platform_data;/*Platform specific data (e.g. ACPI,16BIOS data relevant to device)*/17structdev_pm_info power;1819u32 detach_...
void *i_private; /* fs or device private pointer */ }; 2、struct file ──字符设备驱动相关重要结构 文件结构 代表一个打开的文件描述符,它不是专门给驱动程序使用的,系统中每一个打开的文件在内核中都有一个关联的struct file。它由内核在open时创建,并传递给在文件上操作的任何函数,知道最后关闭。当...