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曲径通幽,安觅芳踪。
#include <linux/interrupt.h> void free_irq (unsigned int irq, void *dev_id);
int xxx_release (struct inode *inode, struct file *filp) { /*硬件中断禁止处理程序*/ ... ... free_irq (XXX_IRQ, NULL); return (0); }
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