錯誤：預期的標識符或「（」編譯內核時之前數字常量

Question

錯誤，這真讓我頭疼想不出弄清楚什麼是錯的多行宏定義已被換行逃脫

實際的錯誤是

。

include/linux/mmc/sdio_func.h:169:2: error: expected identifier or '(' before ')' token 

觸發錯誤

頭文件

/* 
* include/linux/mmc/sdio_func.h 
* 
* Copyright 2007-2008 Pierre Ossman 
* 
* This program is free software; you can redistribute it and/or modify 
* it under the terms of the GNU General Public License as published by 
* the Free Software Foundation; either version 2 of the License, or (at 
* your option) any later version. 
*/ 

#ifndef MMC_SDIO_FUNC_H 
#define MMC_SDIO_FUNC_H 

#include <linux/device.h> 
#include <linux/mod_devicetable.h> 

#include <linux/mmc/pm.h> 

struct mmc_card; 
struct sdio_func; 

typedef void (sdio_irq_handler_t)(struct sdio_func *); 

/* 
* Structure used to hold embedded SDIO device data from platform layer 
*/ 
struct sdio_embedded_func { 
    uint8_t f_class; 
    uint32_t f_maxblksize; 
}; 

/* 
* SDIO function CIS tuple (unknown to the core) 
*/ 
struct sdio_func_tuple { 
    struct sdio_func_tuple *next; 
    unsigned char code; 
    unsigned char size; 
    unsigned char data[0]; 
}; 

/* 
* SDIO function devices 
*/ 
struct sdio_func { 
    struct mmc_card  *card;  /* the card this device belongs to */ 
    struct device  dev;  /* the device */ 
    sdio_irq_handler_t *irq_handler; /* IRQ callback */ 
    unsigned int  num;  /* function number */ 

    unsigned char  class;  /* standard interface class */ 
    unsigned short  vendor;  /* vendor id */ 
    unsigned short  device;  /* device id */ 

    unsigned  max_blksize; /* maximum block size */ 
    unsigned  cur_blksize; /* current block size */ 

    unsigned  enable_timeout; /* max enable timeout in msec */ 

    unsigned int  state;  /* function state */ 
#define SDIO_STATE_PRESENT (1<<0)  /* present in sysfs */ 

    u8   tmpbuf[4]; /* DMA:able scratch buffer */ 

    unsigned  num_info; /* number of info strings */ 
    const char  **info;  /* info strings */ 

    struct sdio_func_tuple *tuples; 
}; 

#define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT) 

#define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT) 

#define sdio_func_id(f)  (dev_name(&(f)->dev)) 

#define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev) 
#define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d) 
#define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev) 

/* 
* SDIO function device driver 
*/ 
struct sdio_driver { 
    char *name; 
    const struct sdio_device_id *id_table; 

    int (*probe)(struct sdio_func *, const struct sdio_device_id *); 
    void (*remove)(struct sdio_func *); 

    struct device_driver drv; 
}; 

#define to_sdio_driver(d) container_of(d, struct sdio_driver, drv) 

/** 
* SDIO_DEVICE - macro used to describe a specific SDIO device 
* @vend: the 16 bit manufacturer code 
* @dev: the 16 bit function id 
* 
* This macro is used to create a struct sdio_device_id that matches a 
* specific device. The class field will be set to SDIO_ANY_ID. 
*/ 
#define SDIO_DEVICE(vend,dev) \ 
    .class = SDIO_ANY_ID, \ 
    .vendor = (vend), .device = (dev) 

/** 
* SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class 
* @dev_class: the 8 bit standard interface code 
* 
* This macro is used to create a struct sdio_device_id that matches a 
* specific standard SDIO function type. The vendor and device fields will 
* be set to SDIO_ANY_ID. 
*/ 
#define SDIO_DEVICE_CLASS(dev_class) \ 
    .class = (dev_class), \ 
    .vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID 

extern int sdio_register_driver(struct sdio_driver *); 
extern void sdio_unregister_driver(struct sdio_driver *); 

/* 
* SDIO I/O operations 
*/ 
extern void sdio_claim_host(struct sdio_func *func); 
extern void sdio_release_host(struct sdio_func *func); 

extern int sdio_enable_func(struct sdio_func *func); 
extern int sdio_disable_func(struct sdio_func *func); 

extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz); 

extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler); 
extern int sdio_release_irq(struct sdio_func *func); 

extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz); 

extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret); 
extern u8 sdio_readb_ext(struct sdio_func *func, unsigned int addr, int *err_ret, 
    unsigned in); 
extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret); 
extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret); 

extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst, 
    unsigned int addr, int count); 
extern int sdio_readsb(struct sdio_func *func, void *dst, 
    unsigned int addr, int count); 

extern void sdio_writeb(struct sdio_func *func, u8 b, 
    unsigned int addr, int *err_ret); 
extern void sdio_writew(struct sdio_func *func, u16 b, 
    unsigned int addr, int *err_ret); 
extern void sdio_writel(struct sdio_func *func, u32 b, 
    unsigned int addr, int *err_ret); 

extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr, 
    void *src, int count); 
extern int sdio_writesb(struct sdio_func *func, unsigned int addr, 
    void *src, int count); 

extern unsigned char sdio_f0_readb(struct sdio_func *func, 
    unsigned int addr, int *err_ret); 
extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, 
    unsigned int addr, int *err_ret); 

extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func); 
extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags); 

#endif 

線169的代碼#endif之前的最後一行，但看到它，我只是無法弄清楚什麼是錯w^ith。

Answer 1

mmc_pm_flag_t類型編譯器不知道。你有沒有包含正確的標題？如果是，請檢查標題並查看是否需要啓用某些宏。