Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1a13286b104faeeb4f4bc3bfbf4d4fcdcd2569ed
Commit: 1a13286b104faeeb4f4bc3bfbf4d4fcdcd2569ed
Parent: 1514ab09edb071345fe17cd230c97f9e72c9478e
Author: H. Peter Anvin <[EMAIL PROTECTED]>
AuthorDate: Mon Jul 23 15:37:14 2007 -0700
Committer: H. Peter Anvin <[EMAIL PROTECTED]>
CommitDate: Wed Jul 25 12:02:21 2007 -0700
[x86 setup] APM: BX should be zero when disconnecting
For APM calls, BX contains the device index, which is zero for
the system BIOS. Disconnect requres BX = 0.
Signed-off-by: H. Peter Anvin <[EMAIL PROTECTED]>
---
arch/i386/boot/apm.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/i386/boot/apm.c b/arch/i386/boot/apm.c
index 8be3f56..eab50c5 100644
--- a/arch/i386/boot/apm.c
+++ b/arch/i386/boot/apm.c
@@ -45,9 +45,10 @@ int query_apm_bios(void)
/* Disconnect first, just in case */
ax = 0x5304;
+ bx = 0;
asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp"
- : "+a" (ax)
- : : "ebx", "ecx", "edx", "esi", "edi");
+ : "+a" (ax), "+b" (bx)
+ : : "ecx", "edx", "esi", "edi");
/* Paranoia */
ebx = esi = 0;
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
