device_create，device_create_file

1，函数 例子1spa   device_create( my_class, NULL, MKDEV(hello_major, 0), "hello" "%d", 0 );debug 若是成功，它将会在/dev目录下产生/dev/hello0设备。orm   例子2ci led_cdev->dev = device_create_drvdata(leds_class, parent, 0, led

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