linux-kernel - Re: [PATCH] irqchip: tegra: fix wrong data being passed as the irqdomain chip data

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Message-ID: <5553CDA4.6000905@wwwdotorg.org>
Date:	Wed, 13 May 2015 16:18:12 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Lucas Stach <dev@...xeye.de>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH] irqchip: tegra: fix wrong data being passed as the irqdomain
 chip data

On 05/09/2015 02:06 PM, Lucas Stach wrote:
> The irq chip functions use the irq chipdata directly as the base register
> address of the controller, so this should be passed in instead of a pointer
> to the array address holding the base address.
>
> This fixes Tegra20 CPUidle as now the un-/masking of IRQs at the LIC level
> works again, but more importantly it fixes the resulting memory corruption.

Tested-by: Stephen Warren <swarren@...dia.com>

Tested on NVIDIA Seaboard (which is affected by the bug in the default 
configuration/DT) with the patch applied on to of 4.1-rc3.
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