linux-kernel - Re: [PATCH v9 08/16] drivers: acpi: iort: add node match function

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Date:   Tue, 29 Nov 2016 20:14:41 +0800
From:   Hanjun Guo <hanjun.guo@...aro.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        iommu@...ts.linux-foundation.org
Cc:     Tomasz Nowicki <tn@...ihalf.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Will Deacon <will.deacon@....com>,
        Marc Zyngier <marc.zyngier@....com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>, Jon Masters <jcm@...hat.com>,
        Eric Auger <eric.auger@...hat.com>,
        Sinan Kaya <okaya@...eaurora.org>,
        Nate Watterson <nwatters@...eaurora.org>,
        Prem Mallappa <prem.mallappa@...adcom.com>,
        Dennis Chen <dennis.chen@....com>, linux-acpi@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v9 08/16] drivers: acpi: iort: add node match function

On 2016/11/21 18:01, Lorenzo Pieralisi wrote:
> Device drivers (eg ARM SMMU) need to know if a specific component
> is part of the IORT table, so that kernel data structures are not
> initialized at initcalls time if the respective component is not
> part of the IORT table.
>
> To this end, this patch adds a trivial function that allows detecting
> if a given IORT node type is present or not in the ACPI table, providing
> an ACPI IORT equivalent for of_find_matching_node().
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Reviewed-by: Tomasz Nowicki <tn@...ihalf.com>
> Tested-by: Hanjun Guo <hanjun.guo@...aro.org>
> Tested-by: Tomasz Nowicki <tn@...ihalf.com>
> Cc: Hanjun Guo <hanjun.guo@...aro.org>

Acked-by: Hanjun Guo <hanjun.guo@...aro.org>

Thanks
Hanjun