linux-kernel - Re: [PATCH V6 5/7] irqchip/gicv3-its: Probe ITS in the ACPI way

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Message-ID: <20160615095658.48b52888@arm.com>
Date:	Wed, 15 Jun 2016 09:56:58 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	Tomasz Nowicki <tn@...ihalf.com>
Cc:	tglx@...utronix.de, jason@...edaemon.net, rjw@...ysocki.net,
	bhelgaas@...gle.com, lorenzo.pieralisi@....com,
	robert.richter@...iumnetworks.com, shijie.huang@....com,
	Suravee.Suthikulpanit@....com, hanjun.guo@...aro.org,
	al.stone@...aro.org, mw@...ihalf.com, graeme.gregory@...aro.org,
	Catalin.Marinas@....com, will.deacon@....com,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, ddaney.cavm@...il.com,
	okaya@...eaurora.org, andrea.gallo@...aro.org,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH V6 5/7] irqchip/gicv3-its: Probe ITS in the ACPI way

On Mon, 13 Jun 2016 16:41:11 +0200
Tomasz Nowicki <tn@...ihalf.com> wrote:

> ITS is prepared for being initialized different than DT,
> therefore we can initialize it in ACPI way. We collect register base
> address from MADT table and pass mandatory info to firmware-agnostic
> ITS init call.
> 
> Use here IORT lib to register ITS domain which then can be found and
> used on to build another PCI MSI domain in hierarchical stack domain.
> 
> NOTE: Waiting for proper ITS and NUMA node relation description in IORT
> table, we pass around NUMA_NO_NODE to the its_probe_one init call.
> This means that Cavium ThunderX erratum 23144 (pass1.1 only)
> is not supported for ACPI boot method yet.
> 
> Signed-off-by: Tomasz Nowicki <tn@...ihalf.com>

Acked-by: Marc Zyngier <marc.zyngier@....com>

	M.
-- 
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