linux-kernel - Re: [PATCH v5] ACPI/IORT: Fix PMCG node single ID mapping handling

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Message-Id: <158999660879.126681.3746296394205258449.b4-ty@kernel.org>
Date:   Wed, 20 May 2020 18:54:38 +0100
From:   Will Deacon <will@...nel.org>
To:     Tuan Phan <tuanphan@...amperecomputing.com>
Cc:     catalin.marinas@....com, Will Deacon <will@...nel.org>,
        patches@...erecomputing.com, Robin Murphy <robin.murphy@....com>,
        Len Brown <lenb@...nel.org>,
        Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org, Hanjun Guo <guohanjun@...wei.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH v5] ACPI/IORT: Fix PMCG node single ID mapping handling

On Wed, 20 May 2020 10:13:07 -0700, Tuan Phan wrote:
> An IORT PMCG node can have no ID mapping if its overflow interrupt is
> wire based therefore the code that parses the PMCG node can not assume
> the node will always have a single mapping present at index 0.
> 
> Fix iort_get_id_mapping_index() by checking for an overflow interrupt
> and mapping count.
> 
> [...]

Applied to arm64 (for-next/acpi), thanks!

[1/1] ACPI/IORT: Fix PMCG node single ID mapping handling
      https://git.kernel.org/arm64/c/50c8ab8d9fbf

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev