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authorGuenter Roeck <linux@roeck-us.net>2016-04-01 17:51:54 -0700
committerIngo Molnar <mingo@kernel.org>2016-04-13 11:43:09 +0200
commit47a541c3e19374ec9f5d3d96730a922e8480dda5 (patch)
tree3d1db6adc20924e29a4ac168510e1f5a4937a046 /arch/x86/include/asm/bios_ebda.h
parent1c532e00a0c649ac6f0703e8c2e095c9c1d30625 (diff)
downloadlinux-0-day-47a541c3e19374ec9f5d3d96730a922e8480dda5.tar.gz
linux-0-day-47a541c3e19374ec9f5d3d96730a922e8480dda5.tar.xz
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@roeck-us.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Waychison <mikew@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1459558314-5625-1-git-send-email-linux@roeck-us.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/bios_ebda.h')
-rw-r--r--arch/x86/include/asm/bios_ebda.h21
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h
index aa6a3170ab5ad..2b00c776f223a 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