linux-kernel - Re: [PATCH 0/5] fixing regressions caused by Dove in MULTI

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Message-ID: <20140416104453.571c8d10@skate>
Date:	Wed, 16 Apr 2014 10:44:53 +0200
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	Andrew Lunn <andrew@...n.ch>, Kevin Hilman <khilman@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	Arnd Bergmann <arnd@...db.de>,
	Chao Xie <xiechao.mail@...il.com>,
	linux-kernel@...r.kernel.org,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Olof Johansson <olof@...om.net>,
	Eric Miao <eric.y.miao@...il.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/5] fixing regressions caused by Dove in MULTI_V7

Dear Sebastian Hesselbarth,

On Tue, 15 Apr 2014 20:15:58 +0200, Sebastian Hesselbarth wrote:

> Sebastian Hesselbarth (5):
>   ARM: iwmmxt: explicitly check for supported architectures
>   ARM: pj4: enable iWMMXt only if CONFIG_IWMMXT is set
>   ARM: pj4: properly detect existence of iWMMXt coprocessor
>   ARM: pj4: fix cpu_is_pj4 check
>   ARM: iwmmxt: allow to build iWMMXt on Marvell PJ4B

Tested-by: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>.

It does fix the boot on PJ4B-MP based processors that don't have iWMMXt
extensions such as the Armada XP. I've tested the following cases:

 * Armada XP (PJ4B-MP), with CONFIG_MACH_DOVE disabled and enabled
 * Armada 370 (PJ4B), with CONFIG_MACH_DOVE disabled and enabled

and all of them boot, while before your patch series, 3.15-rc1 fails to
boot on Armada XP with CONFIG_MACH_DOVE enabled.

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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