[PATCH 0/5] fixing regressions caused by Dove in MULTI_V7

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Wed Apr 16 01:44:53 PDT 2014

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 at free-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.


Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering

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