linux-kernel - Re: [PATCH 1/4] ARM: Allow this header to be included by assembly files

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Date:   Tue, 10 Apr 2018 22:19:49 +0200
From:   Mylène Josserand <mylene.josserand@...tlin.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Vladimir Murzin <vladimir.murzin@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Russell King <linux@...linux.org.uk>,
        open list <linux-kernel@...r.kernel.org>,
        Doug Berger <opendmb@...il.com>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Gregory Fong <gregory.0xf0@...il.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Brian Norris <computersforpeace@...il.com>
Subject: Re: [PATCH 1/4] ARM: Allow this header to be included by assembly
 files

Hello,

On Fri, 23 Feb 2018 13:09:20 -0800
Florian Fainelli <f.fainelli@...il.com> wrote:

> From: Doug Berger <opendmb@...il.com>
> 
> The constants defined in this file are equally useful in assembly and C
> source files. The arm64 architecture version of this file allows
> inclusion in both assembly and C source files, so this this commit adds
> that capability to the arm architecture version so that the constants
> don't need to be defined in multiple places.
> 
> Signed-off-by: Doug Berger <opendmb@...il.com>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  arch/arm/include/asm/cputype.h | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
> index cb546425da8a..e7632f536633 100644
> --- a/arch/arm/include/asm/cputype.h
> +++ b/arch/arm/include/asm/cputype.h
> @@ -2,9 +2,6 @@
>  #ifndef __ASM_ARM_CPUTYPE_H
>  #define __ASM_ARM_CPUTYPE_H
>  
> -#include <linux/stringify.h>
> -#include <linux/kernel.h>
> -
>  #define CPUID_ID	0
>  #define CPUID_CACHETYPE	1
>  #define CPUID_TCM	2
> @@ -98,6 +95,11 @@
>  /* Qualcomm implemented cores */
>  #define ARM_CPU_PART_SCORPION		0x510002d0
>  
> +#ifndef __ASSEMBLY__
> +
> +#include <linux/stringify.h>
> +#include <linux/kernel.h>
> +
>  extern unsigned int processor_id;
>  
>  #ifdef CONFIG_CPU_CP15
> @@ -326,4 +328,6 @@ static inline int __attribute_const__ cpuid_feature_extract_field(u32 features,
>  #define cpuid_feature_extract(reg, field) \
>  	cpuid_feature_extract_field(read_cpuid_ext(reg), field)
>  
> +#endif /* __ASSEMBLY__ */
> +
>  #endif

Tested-by: Mylène Josserand <mylene.josserand@...tlin.com>

Thanks!

Best regards,

-- 
Mylène Josserand, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com