Messages in this thread Patch in this message | | | Date | Wed, 13 Apr 2016 04:47:15 -0700 | From | tip-bot for Guenter Roeck <> | Subject | [tip:x86/platform] x86/platform: Remove unused get_bios_ebda_length() function |
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Commit-ID: 47a541c3e19374ec9f5d3d96730a922e8480dda5 Gitweb: http://git.kernel.org/tip/47a541c3e19374ec9f5d3d96730a922e8480dda5 Author: Guenter Roeck <linux@roeck-us.net> AuthorDate: Fri, 1 Apr 2016 17:51:54 -0700 Committer: Ingo Molnar <mingo@kernel.org> 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@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> --- 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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