linux-kernel - Re: [PATCH] ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes

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Date:   Wed, 26 Feb 2020 10:36:45 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Benoît Cousson <bcousson@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT
 nodes

* Kishon Vijay Abraham I <kishon@...com> [200127 22:39]:
> 'dma-ranges' in a PCI bridge node does correctly set dma masks for PCI
> devices not described in the DT. Certain DRA7 platforms (e.g., DRA76)
> has RAM above 32-bit boundary (accessible with LPAE config) though the
> PCIe bridge will be able to access only 32-bits. Add 'dma-ranges'
> property in PCIe RC DT nodes to indicate the host bridge can access
> only 32 bits.

Sorry looks like I missed this fix earlier, applying into fixes.

Thanks,

Tony