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x86: acpi: Prevent acpi_table.h from being included more than once

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The wrapper #ifndef is currently missing in acpi_table.h. Add it to
prevent it from being included multiple times.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2018-07-18 21:42:17 -07:00
parent 474a62bc74
commit 05855fd31a
1 changed files with 5 additions and 0 deletions
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5
arch/x86/include/asm/acpi_table.h
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@ -6,6 +6,9 @@
* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
*/
#ifndef __ASM_ACPI_TABLE_H__
#define __ASM_ACPI_TABLE_H__
#define RSDP_SIG "RSD PTR " /* RSDP pointer signature */
#define OEM_ID "U-BOOT" /* U-Boot */
#define OEM_TABLE_ID "U-BOOTBL" /* U-Boot Table */
@ -327,3 +330,5 @@ ulong write_acpi_tables(ulong start);
* @return: ACPI RSDP table address
*/
ulong acpi_get_rsdp_addr(void);
#endif /* __ASM_ACPI_TABLE_H__ */