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Driver data structuresThe socket buffer structureSocket buffer allocationNetwork interface structureThe device methodsOpening and closingPacket handlingPacket receptionPacket transmissionDriver exampleStatus

Driver data structuresDevice methodsDriver methodsDetailed fb_opsChecking informationSet controller’s parametersScreen blankingAccelerated methodsPutting it all togetherFramebuffer from user space

PMIC/producer driver interfaceDriver data structuresDescription structureConstraints structureinit data structureFeeding init data into the DTConfiguration structureDevice operation structureDriver methodsProbe functionRemove.

PWM controller driverDriver examplePWM controller bindingPWM consumer interfacePWM clients bindingUsing PWMs with the sysfs interface

Allocating and registering an input devicePolled input device sub-classGenerating and reporting an input event

Pin control subsystemPinctrl and the device treeThe GPIO subsystemThe descriptor-based GPIO interfaceGPIO descriptor mapping - the device treeAllocating and using GPIOPutting it all togetherThe GPIO interface and the de

LDM data structuresThe busBus registrationDevice driverDevice driver registrationDeviceDevice registrationDeep inside LDMkobject structurekobj_typeksetsAttributeAttributes groupDevice model and sysfsSys

DMA mappingsCoherent mappingStreaming DMA mappingSingle buffer mappingScatter/gather mapping

System memory layout - kernel space and user spaceKernel addresses – concept of low and high memoryLow memoryHigh memoryUser space addressesVirtual Memory Area (VMA)Address translation and MMUPage look up and TLBHow do

IIO data structuresiio_dev structureiio_info structureIIO channelsChannel attribute naming conventionsDistinguishing channelsPutting it all together

regmap_config structure一红线处应为"cacheable_table"regmap initializationSPI initializationI2C initializationDevice access functionsregmap_update_bits function要对哪一位修改，“mask"中对应位要设为"1”，"val"中对应位修改值。...

The driver architectureThe device structureSPI driver structureThe probe function

The driver architectureThe i2c_driver structureThe probe() functionThe remove() functionDriver initialization and registrationDriver and device provisioningAccessing the clientPlain I2C communication

目录Device tree mechanismNaming conventionAliases, labels, and phandleRepresenting and addressing devicesDevice tree mechanismNaming conventionAliases, labels, and phandleRepresenting and addressing devices

目录Platform Driver二级目录三级目录Platform Driver二级目录三级目录

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目录container_of()Linked Lists创建和初始化Linked List创建一个list节点添加删除一个list节点遍历Linked Listcontainer_of()用于获取某指针所属的结构体。Linked ListsLinked List是基于双向链表的。后续内容基于下列数据结构。创建和初始化Linked List仅介绍动态方法。创建一个list节点添加stack式Linked ListQueue式Linked List删除一个list节点

目录module_init()和module_exit()EXPORT_SYMBOL()module_param()和MODULE_PARM_DESC()module_init()和module_exit()static ini __init function_init(void) //__init 必须要有{ //初始化代码}module_init(function_init); //注册函数static __exit function_exit(void) //__exit 必须要有{