From b4ac0446fc66aea5c5452c9063a161f0deb8634f Mon Sep 17 00:00:00 2001 From: Sumit Singh Date: Fri, 14 Mar 2014 11:57:24 +0530 Subject: asm-generic: processor.h: adding new header file Defining a new header file and adding architecture independent macros. Using these macros we are optimizing power usage on ARM64. bug 1440421 Change-Id: I7393d35703d0b0a504331653d70f109a50a197c7 Signed-off-by: Sumit Singh Reviewed-on: http://git-master/r/381905 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Alexander Van Brunt Reviewed-by: Sri Krishna Chowdary Reviewed-by: Bharat Nihalani Signed-off-by: franciscofranco --- include/asm-generic/processor.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 include/asm-generic/processor.h (limited to 'include/asm-generic/processor.h') diff --git a/include/asm-generic/processor.h b/include/asm-generic/processor.h new file mode 100644 index 000000000..cba2d9edf --- /dev/null +++ b/include/asm-generic/processor.h @@ -0,0 +1,30 @@ +/* + * include/asm-generic/processor.h + * + * Copyright (c) 2014 NVIDIA Corporation. All rights reserved. + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _ASM_GENERIC_PROCESSOR_H_ +#define _ASM_GENERIC_PROCESSOR_H_ + +#ifndef cpu_relaxed_read +#define cpu_relaxed_read(p) (*(p)) +#endif + +#ifndef cpu_relaxed_read_long +#define cpu_relaxed_read_long(p) (*(p)) +#endif + +#ifndef cpu_read_relax +#define cpu_read_relax() cpu_relax() +#endif + +#endif /*_ASM_GENERIC_PROCESSOR_H_*/ -- cgit v1.2.3