| 标题 | 阅读 | 评论 | 转发 | 发布日期 | |
|---|---|---|---|---|---|
| S3C2410的外部中断 | 1854 | 0 | 0 | 2010-05-26 | |
| Linux时钟基本概念 | 1305 | 0 | 0 | 2010-05-25 | |
| Linux 时钟处理机制 | 906 | 0 | 0 | 2010-05-25 | |
| linux新内核的时钟机制代码读后感 | 1523 | 0 | 0 | 2010-05-24 | |
| hrtimer小记 | 2854 | 0 | 0 | 2010-05-24 | |
| hrtimer + clockevent + Timekeeping | 1032 | 0 | 0 | 2010-05-24 | |
| S3C2410 中断程序的实现 | 925 | 0 | 0 | 2010-05-16 | |
| s3c2410 Timer工作原理 | 938 | 0 | 0 | 2010-05-16 | |
| The Kernel Boot Process | 991 | 0 | 0 | 2010-04-26 | |
| memory-translation-and-segmentation | 1228 | 0 | 0 | 2010-04-26 | |
| Getting Physical With Memory | 944 | 0 | 0 | 2010-04-26 | |
| Page Cache, the Affair Between Memory and Files | 1583 | 0 | 0 | 2010-04-26 | |
| Anatomy of a Program in Memory | 1015 | 0 | 0 | 2010-04-26 | |
| start_kernel()函数分析 | 883 | 0 | 0 | 2010-04-26 | |
| Linux内核从start_kernel到init | 1841 | 0 | 0 | 2010-04-26 | |
| ARM Linux启动分析----head-armv.S内幕 | 784 | 0 | 0 | 2010-04-26 | |
| u-boot 启动过程 —— 基于S3C2410 | 1053 | 0 | 0 | 2010-04-26 | |
| linux引导分析 | 1133 | 0 | 0 | 2010-04-26 | |
| linux内核启动过程——基于S3C2410 （2）Image早期初始化 | 1842 | 0 | 0 | 2010-04-23 | |
| linux内核启动过程——基于S3C2410 | 1045 | 0 | 0 | 2010-04-23 |
chen_chuang2012-10-11 16:33
高手，有本书上写cdev初始化和注册是这样写的
static void VirtualDisk_setup_cdev(struct VirtualDisk *dev, int minor)
{
int err;
devno = MDDEV(VirtualDisk_major, minor);
cdev_init(&dev->cdev, &VirtualDisk_fops);
dev->cdev.owner = THIS_MOUDULE;
dev->cdev.ops = &VirtualDisk_fops;
err = cdev_add(&dev->cdev, debno, 1);
if (err)
printk(KERN_NOTICE "Error in cdev_add()\n");
}
而cdev_init里
void cdev_init(struct cdev *cdev, const struct file_operations *fops)
{
memset(cdev, 0, sizeof *cdev);
INIT_LIST_HEAD(&cdev->list);
kobject_init(&cdev->kobj, &ktype_cdev_default);
cdev->ops = fops;
}
已经有cdev->ops = fops了
那上面的代码cdev_init之后又有dev->cdev.ops ，这两个函数不一样吗，自我感觉有点多次一举，，，不太明白
