From f548ccd47d608e88d432745091e13f927ced83f7 Mon Sep 17 00:00:00 2001 From: Mike Waychison Date: Mon, 14 Mar 2011 23:58:50 -0700 Subject: [PATCH] x86: Better comments for get_bios_ebda() Make the comments a bit clearer for get_bios_ebda so that it actually tells us what it is returning. Signed-off-by: Mike Waychison Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/bios_ebda.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h index 5174cf0bf590..aa6a3170ab5a 100644 --- a/arch/x86/include/asm/bios_ebda.h +++ b/arch/x86/include/asm/bios_ebda.h @@ -4,11 +4,14 @@ #include /* - * there is a real-mode segmented pointer pointing to the - * 4K EBDA area at 0x40E. + * Returns physical address of EBDA. Returns 0 if there is no EBDA. */ static inline unsigned int get_bios_ebda(void) { + /* + * There is a real-mode segmented pointer pointing to the + * 4K EBDA area at 0x40E. + */ unsigned int address = *(unsigned short *)phys_to_virt(0x40E); address <<= 4; return address; /* 0 means none */ -- 2.34.1