驱动编写流程图 (精炼).pdf

模块加载函数： static int s5pc100_platform_init(void) struct platform_driver s5pc100_adc_driver = { static int s5pc100_adc_remove(struct platform_device *pdev) s5pc100_adc_probe, .probe = s5pc100_adc_probe, 禁止adc时钟，释放adc clk； .remove = __devexit_p(s5pc100_adc_remove), s5pc100_adc_remove clk_disable(clk); ssize_t s5pc100_adc_read(struct file *file, char __user *buf, size_t count, loff_t *loff) .driver = { 注册platform_driver; .name = s5pc100-adc, clk_put(clk); s5pc100_adc_driver 通知内核删除cdev ； Platform_driver_register( s5pc100_adc_driver ); }, }; cdev_del(cdev); 选择adc通道0 ；