linux-kernel - Re: [PATCH] Revert "ARM: cns3xxx: pci: avoid potential stack overflow"

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Message-ID: <m3inxt17zo.fsf@t19.piap.pl>
Date:	Wed, 01 Jun 2016 13:08:59 +0200
From:	khalasa@...p.pl (Krzysztof Hałasa)
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Arnd Bergmann <arnd@...db.de>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "ARM: cns3xxx: pci: avoid potential stack overflow"

Bjorn Helgaas <bhelgaas@...gle.com> writes:

> This reverts commit 498a92d42596a7a32c042319eb62a4c3d8081cf1.
>
> Krzysztof reported that this change broke Cavium CNS3xxx, ARMv6 (Laguna
> GW-2388) because the MRRS setting is never written to the hardware.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> CC: Arnd Bergmann <arnd@...db.de>
> CC: Krzysztof Hałasa <khalasa@...p.pl>
> ---
>  arch/arm/mach-cns3xxx/pcie.c |   71 ++++++++++++++++++++++++------------------
>  1 file changed, 41 insertions(+), 30 deletions(-)

This, applied to v4.7-rc1, fixes the problem on my Laguna boards.

Tested-by: Krzysztof Hałasa <khalasa@...p.pl>

And as well

Acked-by: Krzysztof Hałasa <khalasa@...p.pl>

Thanks.
-- 
Krzysztof Halasa

Industrial Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland