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Subject[tip:x86/urgent] x86, setup: Set ax register in boot vga query
Commit-ID:  cf3bdc29fcbf2cb4cfa238591021d41ea8f8431f
Gitweb: http://git.kernel.org/tip/cf3bdc29fcbf2cb4cfa238591021d41ea8f8431f
Author: Andi Kleen <andi@firstfloor.org>
AuthorDate: Thu, 10 Jun 2010 13:10:40 +0200
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Thu, 10 Jun 2010 15:24:29 -0700

x86, setup: Set ax register in boot vga query

Catch missing conversion to the register structure "glove box" scheme.

Found by gcc 4.6's new warnings.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
LKML-Reference: <20100610111040.F1781B1A2B@basil.firstfloor.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
arch/x86/boot/video-vga.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index ed7aeff..45bc940 100644
--- a/arch/x86/boot/video-vga.c
+++ b/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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