Commit 47a541c3 authored by Guenter Roeck's avatar Guenter Roeck Committed by Ingo Molnar

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.netSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 1c532e00
......@@ -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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