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From: Andi Kleen on 10 Jun 2010 07:20

I think the ax register should be input to the
BIOS call, not be unused, but not fully sure. hpa?

Found by gcc 4.6's new warnings.

Cc: hpa(a)zytor.com
Signed-off-by: Andi Kleen <ak(a)linux.intel.com>

---
arch/x86/boot/video-vga.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

Index: linux-2.6.35-rc2-gcc/arch/x86/boot/video-vga.c
===================================================================
--- linux-2.6.35-rc2-gcc.orig/arch/x86/boot/video-vga.c
+++ linux-2.6.35-rc2-gcc/arch/x86/boot/video-vga.c
@@ -41,13 +41,12 @@ static __videocard video_vga;
static u8 vga_set_basic_mode(void)
{
struct biosregs ireg, oreg;
- u16 ax;
u8 mode;

initregs(&ireg);

/* Query current mode */
- ax = 0x0f00;
+ ireg.ax = 0x0f00;
intcall(0x10, &ireg, &oreg);
mode = oreg.al;

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