linux-kernel - Re: [PATCH] ARM: mm: Remove Kconfig symbol CACHE

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Date:	Tue, 10 Feb 2015 11:35:01 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Paul Bolle <pebolle@...cali.nl>, Arnd Bergmann <arnd@...db.de>,
	"Thomas Petazzoni" <thomas.petazzoni@...e-electrons.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Andrew Victor <linux@...im.org.za>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
CC:	Valentin Rothberg <valentinrothberg@...il.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: mm: Remove Kconfig symbol CACHE_PL310

Le 10/02/2015 11:00, Paul Bolle a écrit :
> Commit 20e783e39e55 ("ARM: 8296/1: cache-l2x0: clean up aurora cache
> handling") removed the only user of the Kconfig symbol CACHE_PL310.
> Setting CACHE_PL310 is now pointless. Remove its Kconfig entry, and one
> select of this symbol.
> 
> Signed-off-by: Paul Bolle <pebolle@...cali.nl>

Okay then:
Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>

> ---
> Please note that the commit hash is valid for next-20150209. So if the
> tree that this commit is coming from will be rebased, or similar, it
> shouldn't be used.
> 
>  arch/arm/mach-at91/Kconfig | 1 -
>  arch/arm/mm/Kconfig        | 7 -------
>  2 files changed, 8 deletions(-)
> 
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index c6740e359a44..c74a44324e5b 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -64,7 +64,6 @@ config SOC_SAMA5D4
>  	select SOC_SAMA5
>  	select CLKSRC_MMIO
>  	select CACHE_L2X0
> -	select CACHE_PL310
>  	select HAVE_FB_ATMEL
>  	select HAVE_AT91_UTMI
>  	select HAVE_AT91_SMD
> diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
> index c43c71455566..9b4f29e595a4 100644
> --- a/arch/arm/mm/Kconfig
> +++ b/arch/arm/mm/Kconfig
> @@ -892,13 +892,6 @@ config CACHE_L2X0
>  
>  if CACHE_L2X0
>  
> -config CACHE_PL310
> -	bool
> -	default y if CPU_V7 && !(CPU_V6 || CPU_V6K)
> -	help
> -	  This option enables optimisations for the PL310 cache
> -	  controller.
> -
>  config PL310_ERRATA_588369
>  	bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines"
>  	help
> 


-- 
Nicolas Ferre
--
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