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>

diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h
index aa6a317..2b00c77 100644 (file)
--- 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