1*cc4ad7daSAndroid Build Coastguard Worker #include <linux/debugfs.h> 2*cc4ad7daSAndroid Build Coastguard Worker #include <linux/init.h> 3*cc4ad7daSAndroid Build Coastguard Worker #include <linux/module.h> 4*cc4ad7daSAndroid Build Coastguard Worker 5*cc4ad7daSAndroid Build Coastguard Worker static struct dentry *debugfs_dir; 6*cc4ad7daSAndroid Build Coastguard Worker test_show(struct seq_file * s,void * data)7*cc4ad7daSAndroid Build Coastguard Workerstatic int test_show(struct seq_file *s, void *data) 8*cc4ad7daSAndroid Build Coastguard Worker { 9*cc4ad7daSAndroid Build Coastguard Worker seq_puts(s, "test"); 10*cc4ad7daSAndroid Build Coastguard Worker return 0; 11*cc4ad7daSAndroid Build Coastguard Worker } 12*cc4ad7daSAndroid Build Coastguard Worker 13*cc4ad7daSAndroid Build Coastguard Worker DEFINE_SHOW_ATTRIBUTE(test); 14*cc4ad7daSAndroid Build Coastguard Worker test_module_init(void)15*cc4ad7daSAndroid Build Coastguard Workerstatic int __init test_module_init(void) 16*cc4ad7daSAndroid Build Coastguard Worker { 17*cc4ad7daSAndroid Build Coastguard Worker debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); 18*cc4ad7daSAndroid Build Coastguard Worker debugfs_create_file("test", 0444, debugfs_dir, NULL, &test_fops); 19*cc4ad7daSAndroid Build Coastguard Worker 20*cc4ad7daSAndroid Build Coastguard Worker return 0; 21*cc4ad7daSAndroid Build Coastguard Worker } 22*cc4ad7daSAndroid Build Coastguard Worker test_module_exit(void)23*cc4ad7daSAndroid Build Coastguard Workerstatic void test_module_exit(void) 24*cc4ad7daSAndroid Build Coastguard Worker { 25*cc4ad7daSAndroid Build Coastguard Worker debugfs_remove_recursive(debugfs_dir); 26*cc4ad7daSAndroid Build Coastguard Worker } 27*cc4ad7daSAndroid Build Coastguard Worker 28*cc4ad7daSAndroid Build Coastguard Worker module_init(test_module_init); 29*cc4ad7daSAndroid Build Coastguard Worker module_exit(test_module_exit); 30*cc4ad7daSAndroid Build Coastguard Worker 31*cc4ad7daSAndroid Build Coastguard Worker MODULE_AUTHOR("Lucas De Marchi <[email protected]>"); 32*cc4ad7daSAndroid Build Coastguard Worker MODULE_LICENSE("GPL"); 33