From: Will Deacon <will@kernel.org>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Hanjun Guo <guohanjun@huawei.com>,
Tuan Phan <tuanphan@os.amperecomputing.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-kernel@vger.kernel.org,
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
linux-acpi@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>,
patches@amperecomputing.com, Robin Murphy <robin.murphy@arm.com>,
linux-arm-kernel@lists.infradead.org, Len Brown <lenb@kernel.org>
Subject: Re: [PATCH v5] ACPI/IORT: Fix PMCG node single ID mapping handling
Date: Wed, 20 May 2020 18:43:56 +0100 [thread overview]
Message-ID: <20200520174355.GC27629@willie-the-truck> (raw)
In-Reply-To: <20200520172736.GA10693@e121166-lin.cambridge.arm.com>
On Wed, May 20, 2020 at 06:27:36PM +0100, Lorenzo Pieralisi wrote:
> On Wed, May 20, 2020 at 10:13:07AM -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.
> >
> > Fixes: 24e516049360 ("ACPI/IORT: Add support for PMCG")
> >
> > Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> > Reviewed-by: Hanjun Guo <guoahanjun@huawei.com>
> > Signed-off-by: Tuan Phan <tuanphan@os.amperecomputing.com>
> > ---
> > v1 -> v2:
> > - Use pmcg node to detect wired base overflow interrupt.
> >
> > v2 -> v3:
> > - Address Hanjun and Robin's comments.
> >
> > v3 -> v4:
> > - Update the title and description as mentioned by Lorenzo.
> >
> > v4 -> v5:
> > - Remove period in the title and commit references.
> >
> > drivers/acpi/arm64/iort.c | 5 +++++
>
> Hi Will,
>
> is there a chance we can get this patch into v5.8 ? I understand
> we are very late in the cycle but I wanted to ask (it applies cleanly
> to for-next/acpi).
Sorry, Lorenzo -- I didn't notice that this had been Acked already. I was
waiting for somebody to chime in! I'll queue it ASAP for 5.8.
Will
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next prev parent reply other threads:[~2020-05-20 17:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 17:13 [PATCH v5] ACPI/IORT: Fix PMCG node single ID mapping handling Tuan Phan
2020-05-20 17:27 ` Lorenzo Pieralisi
2020-05-20 17:43 ` Will Deacon [this message]
2020-05-20 17:54 ` Will Deacon
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