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From:   Catalin Marinas <catalin.marinas@arm.com>
To:     lorenzo.pieralisi@arm.com, Moritz Fischer <mdf@kernel.org>
Cc:     Will Deacon <will@kernel.org>, guohanjun@huawei.com,
        sudeep.holla@arm.com, linux-acpi@vger.kernel.org,
        moritzf@google.com, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, rjw@rjwysocki.net
Subject: Re: [PATCH v2] ACPI/IORT: Do not blindly trust DMA masks from firmware
Date:   Wed, 27 Jan 2021 13:09:36 +0000
Message-Id: <161175296410.16506.7622624950228429208.b4-ty@arm.com>
In-Reply-To: <20210122012419.95010-1-mdf@kernel.org>
References: <20210122012419.95010-1-mdf@kernel.org>
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On Thu, 21 Jan 2021 17:24:19 -0800, Moritz Fischer wrote:
> Address issue observed on real world system with suboptimal IORT table
> where DMA masks of PCI devices would get set to 0 as result.
> 
> iort_dma_setup() would query the root complex'/named component IORT
> entry for a DMA mask, and use that over the one the device has been
> configured with earlier.
> 
> [...]

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

[1/1] ACPI/IORT: Do not blindly trust DMA masks from firmware
      https://git.kernel.org/arm64/c/a1df829ead58

-- 
Catalin