Linux ARM-MSM sub-architecture
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From: Marc Zyngier <marc.zyngier@arm.com>
To: Stephen Boyd <sboyd@codeaurora.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jason Cooper <jason@lakedaemon.net>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Stuart Yoder <stuyoder@gmail.com>,
	Laurentiu Tudor <laurentiu.tudor@nxp.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Rajendra Nayak <rnayak@codeaurora.org>
Subject: Re: [PATCH v2] irqchip/gic-v3: Ignore disabled ITS nodes
Date: Thu, 1 Feb 2018 17:23:46 +0000	[thread overview]
Message-ID: <38dd5843-9290-28b2-8acb-aabb81acf00d@arm.com> (raw)
In-Reply-To: <20180201170329.26916-1-sboyd@codeaurora.org>

On 01/02/18 17:03, Stephen Boyd wrote:
> On some platforms there's an ITS available but it's not enabled
> because reading or writing the registers is denied by the
> firmware. In fact, reading or writing them will cause the system
> to reset. We could remove the node from DT in such a case, but
> it's better to skip nodes that are marked as "disabled" in DT so
> that we can describe the hardware that exists and use the status
> property to indicate how the firmware has configured things.
> 
> Cc: Stuart Yoder <stuyoder@gmail.com>
> Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: Rajendra Nayak <rnayak@codeaurora.org>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

Queued, thanks Stephen.

	M.
-- 
Jazz is not dead. It just smells funny...

      reply	other threads:[~2018-02-01 17:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-01 17:03 [PATCH v2] irqchip/gic-v3: Ignore disabled ITS nodes Stephen Boyd
2018-02-01 17:23 ` Marc Zyngier [this message]

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