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fb.h: Provide alternate screen_base pointer

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Some drivers use member screen_base of struct fb_info to store non-
__iomem pointers, creating the need for ugly __force typecasts to
avoid sparse warnings. This adds an alternate pointer without the
__iomem qualifyer for this use.

Signed-off-by: Lars Svensson <lars1.svensson@sonymobile.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars Svensson 2015-10-07 09:20:12 +02:00 committed by Greg Kroah-Hartman
parent e9f6806551
commit 17a7b0b4d9
1 changed files with 4 additions and 1 deletions
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include/linux/fb.h
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@ -483,7 +483,10 @@ struct fb_info {
#ifdef CONFIG_FB_TILEBLITTING #ifdef CONFIG_FB_TILEBLITTING
struct fb_tile_ops *tileops; /* Tile Blitting */ struct fb_tile_ops *tileops; /* Tile Blitting */
#endif #endif
union {
char __iomem *screen_base; /* Virtual address */ char __iomem *screen_base; /* Virtual address */
char *screen_buffer;
};
unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
void *pseudo_palette; /* Fake palette of 16 colors */ void *pseudo_palette; /* Fake palette of 16 colors */
#define FBINFO_STATE_RUNNING 0 #define FBINFO_STATE_RUNNING 0