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Commit 47a541c3 authored by Guenter Roeck's avatar Guenter Roeck Committed by Ingo Molnar
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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: default avatarGuenter 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: default avatarIngo Molnar <mingo@kernel.org>
parent 1c532e00

arch/x86/include/asm/bios_ebda.h

+0 −21
Original line number Diff line number Diff line
@@ -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