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[PATCH] fbcon: constify font data

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const-ify the font control structures and data, to make somewhat better
guarantees that these are not modified anywhere in the kernel.
Specifically for a kernel debugger to share this information from the
normal kernel code, such a guarantee seems rather desirable.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: "Antonino A. Daplas" <adaplas@hotpop.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich 2005-09-13 01:25:44 -07:00 • committed by Linus Torvalds
parent e703ecc3bf
commit 2f4516dbd0
15 changed files with 39 additions and 40 deletions
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2
include/linux/fb.h
View file

@ -619,7 +619,7 @@ struct fb_tilemap {
__u32 height; /* height of each tile in scanlines */
__u32 depth; /* color depth of each tile */
__u32 length; /* number of tiles in the map */
__u8 *data; /* actual tile map: a bitmap array, packed
const __u8 *data; /* actual tile map: a bitmap array, packed
to the nearest byte */
};

10
include/linux/font.h
View file

@ -15,9 +15,9 @@
struct font_desc {
int idx;
char *name;
const char *name;
int width, height;
void *data;
const void *data;
int pref;
};
@ -32,7 +32,7 @@ struct font_desc {
#define ACORN8x8_IDX 8
#define MINI4x6_IDX 9
extern struct font_desc font_vga_8x8,
extern const struct font_desc font_vga_8x8,
font_vga_8x16,
font_pearl_8x8,
font_vga_6x11,
@ -45,11 +45,11 @@ extern struct font_desc font_vga_8x8,
/* Find a font with a specific name */
extern struct font_desc *find_font(char *name);
extern const struct font_desc *find_font(const char *name);
/* Get the default font for a specific screen size */
extern struct font_desc *get_default_font(int xres, int yres);
extern const struct font_desc *get_default_font(int xres, int yres);
/* Max. length for the name of a predefined font */
#define MAX_FONT_NAME 32