linux-kernel - Re: [PATCH v3 4/4] ARM: BCM: Add SMP support for Broadcom 4708

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Message-ID: <563D1ED1.6050506@hauke-m.de>
Date:	Fri, 06 Nov 2015 22:42:41 +0100
From:	Hauke Mehrtens <hauke@...ke-m.de>
To:	Kapil Hali <kapilh@...adcom.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Jon Mason <jonmason@...adcom.com>,
	Florian Fainelli <f.fainelli@...il.com>
CC:	Gregory Fong <gregory.0xf0@...il.com>, Lee Jones <lee@...nel.org>,
	Kever Yang <kever.yang@...k-chips.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Olof Johansson <olof@...om.net>,
	Paul Walmsley <paul@...an.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v3 4/4] ARM: BCM: Add SMP support for Broadcom 4708

On 11/06/2015 10:11 PM, Kapil Hali wrote:
> From: Jon Mason <jonmason@...adcom.com>
> 
> Add SMP support for Broadcom's 4708 SoCs.
> 
> Signed-off-by: Jon Mason <jonmason@...adcom.com>
> Acked-by: Hauke Mehrtens <hauke@...ke-m.de>
> Tested-by: Hauke Mehrtens <hauke@...ke-m.de>
> Signed-off-by: Kapil Hali <kapilh@...adcom.com>

I tested this on a Netgear R6250 V1 (BCM4708) and SMP worked.

> ---
>  arch/arm/boot/dts/bcm4708.dtsi | 2 ++
>  arch/arm/mach-bcm/Kconfig      | 1 +
>  arch/arm/mach-bcm/Makefile     | 3 +++
>  3 files changed, 6 insertions(+)
> 

...

> --- a/arch/arm/mach-bcm/Kconfig
> +++ b/arch/arm/mach-bcm/Kconfig
> @@ -54,6 +54,7 @@ config ARCH_BCM_NSP
>  config ARCH_BCM_5301X
>  	bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
>  	select ARCH_BCM_IPROC

You activated ARM_ERRATA_764369 for NSP is this not needed for NS?


> +	select HAVE_SMP
>  	help
>  	  Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
>  

...
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