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[PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use

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VGA_MAP_MEM translates to ioremap() on some architectures.  It makes sense
to do this to vga_vram_base, because we're going to access memory between
vga_vram_base and vga_vram_end.

But it doesn't really make sense to map starting at vga_vram_end, because
we aren't going to access memory starting there.  On ia64, which always has
to be different, ioremapping vga_vram_end gives you something completely
incompatible with ioremapped vga_vram_start, so vga_vram_size ends up being
nonsense.

As a bonus, we often know the size up front, so we can use ioremap()
correctly, rather than giving it a zero size.

Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: "Antonino A. Daplas" <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Bjorn Helgaas 2006-06-22 14:47:32 -07:00 • committed by Linus Torvalds
commit 4f1bcaf094
13 changed files with 22 additions and 23 deletions
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2
include/asm-sparc64/vga.h
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@ -28,6 +28,6 @@ static inline u16 scr_readw(const u16 *addr)
return *addr;
}
#define VGA_MAP_MEM(x) (x)
#define VGA_MAP_MEM(x,s) (x)
#endif