Question

linux的make zimage编译出错：dereferencing pointer to incomplete type

drivers/input/keyboard/tq2440_buttons.c: In function 'tq2440_keys_suspend':
drivers/input/keyboard/tq2440_buttons.c:546: error: dereferencing pointer to incomplete type
drivers/input/keyboard/tq2440_buttons.c:547: error: dereferencing pointer to incomplete type
drivers/input/keyboard/tq2440_buttons.c: In function 'tq2440_keys_resume':
drivers/input/keyboard/tq2440_buttons.c:565: error: dereferencing pointer to incomplete type
drivers/input/keyboard/tq2440_buttons.c:567: error: dereferencing pointer to incomplete type
drivers/input/keyboard/tq2440_buttons.c: At top level:
drivers/input/keyboard/tq2440_buttons.c:593: warning: initialization discards qualifiers from pointer target type
make[3]: *** [drivers/input/keyboard/tq2440_buttons.o] 错误 1
make[2]: *** [drivers/input/keyboard] 错误 2
make[1]: *** [drivers/input] 错误 2
make: *** [drivers] 错误 2

Answer 1

按理来说用 &(dev->sem)和&dev->sem都是没问题的。你再看看是不是别的地方有问题，有非法字符？赋值的接收变量类型不一致？