linux-kernel - Re: [PATCH 1/2] arm64: dts: juno: Describe PCI dma-ranges

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Date:   Tue, 23 Mar 2021 09:30:55 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        vireshk@...nel.org, Nicola Mazzucato <nicola.mazzucato@....com>,
        rjw@...ysocki.net, cristian.marussi@....com,
        linux-kernel@...r.kernel.org, liviu.dudau@....com,
        Robin Murphy <robin.murphy@....com>, lorenzo.pieralisi@....com
Cc:     Sudeep Holla <sudeep.holla@....com>, ionela.voinescu@....com,
        chris.redpath@....com, morten.rasmussen@....com
Subject: Re: [PATCH 1/2] arm64: dts: juno: Describe PCI dma-ranges

On Fri, 5 Mar 2021 17:33:17 +0000, Robin Murphy wrote:
> The PLDA root complex on Juno relies on an address-based lookup table to
> generate AXI attributes for inbound PCI transactions, and as such will
> not pass any transaction not matching any programmed address range. The
> standard firmware configuration programs 3 entries covering the GICv2m
> MSI doorbell and the 2 DRAM regions, so add a "dma-ranges" property to
> describe those usable inbound windows.


(New commit info after rebase to v5.12-rc2 for obvious reasons)
Applied to sudeep.holla/linux (for-next/juno), thanks!

[1/2] arm64: dts: juno: Describe PCI dma-ranges
https://git.kernel.org/sudeep.holla/c/4ac4d146cb
[2/2] arm64: dts: juno: Enable more SMMUs
https://git.kernel.org/sudeep.holla/c/d9df28ba58

--
Regards,
Sudeep