Commit-ID: 47a541c3e19374ec9f5d3d96730a922e8480dda5
Gitweb: http://git.kernel.org/tip/47a541c3e19374ec9f5d3d96730a922e8480dda5
Author: Guenter Roeck <linux@xxxxxxxxxxxx>
AuthorDate: Fri, 1 Apr 2016 17:51:54 -0700
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 13 Apr 2016 11:43:09 +0200
x86/platform: Remove unused get_bios_ebda_length() function
get_bios_ebda_length() uses min_t() without including linux/kernel.h.
This may result in build errors with some configurations. Since the
function is not used anywhere in the kernel, let's just drop it.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mike Waychison <mikew@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1459558314-5625-1-git-send-email-linux@xxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/bios_ebda.h | 21 ---------------------
1 file changed, 21 deletions(-)
diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h
index aa6a317..2b00c77 100644
--- a/arch/x86/include/asm/bios_ebda.h
+++ b/arch/x86/include/asm/bios_ebda.h
@@ -17,27 +17,6 @@ static inline unsigned int get_bios_ebda(void)
return address; /* 0 means none */
}
-/*
- * Return the sanitized length of the EBDA in bytes, if it exists.
- */
-static inline unsigned int get_bios_ebda_length(void)
-{
- unsigned int address;
- unsigned int length;
-
- address = get_bios_ebda();
- if (!address)
- return 0;
-
- /* EBDA length is byte 0 of the EBDA (stored in KiB) */
- length = *(unsigned char *)phys_to_virt(address);
- length <<= 10;
-
- /* Trim the length if it extends beyond 640KiB */
- length = min_t(unsigned int, (640 * 1024) - address, length);
- return length;
-}
-
void reserve_ebda_region(void);
#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
--
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