[drm-tip:drm-tip 777/788] include/drm/drm_pci.h:76:64: warning: 'struct platform_device' declared inside parameter list will not be visible outside of this definition or declaration

[kbuild test robot]

tree:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
head:   510c200742ced5a91d07e48220b669a3c9b30c0c
commit: 23ef59ef6dcc9b62bf077490a74df93b3bb0d530 [777/788] drm: Extract drm_pci.h
config: i386-randconfig-x070-201710 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 23ef59ef6dcc9b62bf077490a74df93b3bb0d530
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/drm_pci.c:29:0:
>> include/drm/drm_pci.h:76:64: warning: 'struct platform_device' declared inside parameter list will not be visible outside of this definition or declaration
    extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
                                                                   ^~~~~~~~~~~~~~~

vim +76 include/drm/drm_pci.h

    60	
    61	static inline int drm_pci_set_busid(struct drm_device *dev,
    62					    struct drm_master *master)
    63	{
    64		return -ENOSYS;
    65	}
    66	#endif
    67	
    68	#define DRM_PCIE_SPEED_25 1
    69	#define DRM_PCIE_SPEED_50 2
    70	#define DRM_PCIE_SPEED_80 4
    71	
    72	extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
    73	extern int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw);
    74	
    75	/* platform section */
  > 76	extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
    77	
    78	#endif /* _DRM_PCI_H_ */

---
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