reinstall device driver

does not support random access or request buffers.In Linux, a network device can also be called a network interface, it does not have the same device number as the character device and the block device, only a unique name such as eth0, eth1, etc., the name does not need to correspond to the

First, we know that the driver is part of the kernel, so what role does the driver play in the kernel?The role of the device driver in the kernel: they are separate "black boxes" that enable a particular hardware to respond to a well-defined internal programming interface that completely hides the work details of the

1, equipment description structure CdevDrive modelIn the Linux system, the device type is very numerous, character device, block device, network interface device, USB device, PCI device, platform

Transferred from: http://blog.csdn.net/droidphone/article/details/23367051/Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.Directory (?) [-] Hardware structure Working time series Software architecture SPI Controller Driver SPI Universal Interface Package layer SPI Protocol Driver SPI Universal

2011-03-24 Linux has been a hit recently. As a result, it is still just getting started, barely starting. But I'm glad that I finally started, and everything was hard at the beginning, especially the study of "Linux device drivers. It's also strange that I have had many activities recently. I organized "CS competitions" and bought bicycles. I often went out to ride bicycles with my classmates. In a simple summary, I spent one week in the Teaching

Through the introduction of the previous article, we know that the SPI Universal interface layer is used to connect the specific SPI device protocol driver and SPI Controller driver, the general interface layer in addition to the protocol driver and controller driver to prov

The 0th chapter: The Tug of the lightTo summarize the process of writing a simple character device driver, I would like to highlight the "top down" approach, because I think it is easier to understand that the child shoes that do not have contact with the device driver are more understandable, "top-down" was originally

We studied the character device structure Cdev Linux character device driver Development (i)--character device drive structure (upper) below continue to learn several important data structures of character devices. First look at the following diagram, which is the virtual file system in Linux, general

1. Misc_open function AnalysisIn DRIVER/CHAR/MISC.C, the MISC.C is implemented by the driver framework, which is an interface for the Misc driver framework to open a misc device for the application layer.1, first we need to know in misc.c in the Misc_init function, misc This kind of

Device bus driver Model: http://blog.csdn.net/lizuobin2/article/details/51570196This article main reference: Http://www.wowotech.net/device_model/platform_device.htmlPlatform platform device driver is based on the device bus driver