linux-kernel - Re: [PATCH v3] arm64: dts: ti: k3-am65: Change #address-cells and #size-cells of interconnect to 2

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Message-ID: <20180905134037.szkh3wnugrtnrrfh@kahuna>
Date:   Wed, 5 Sep 2018 08:40:37 -0500
From:   Nishanth Menon <nm@...com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Tero Kristo <t-kristo@...com>
CC:     Tony Lindgren <tony@...mide.com>,
        Mark Rutland <mark.rutland@....com>,
        <devicetree@...r.kernel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        <linux-kernel@...r.kernel.org>, <nsekhar@...com>,
        Tero Kristo <t-kristo@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, Vignesh R <vigneshr@...com>
Subject: Re: [PATCH v3] arm64: dts: ti: k3-am65: Change #address-cells and
 #size-cells of interconnect to 2

On 11:17-20180905, Kishon Vijay Abraham I wrote:
> AM65 has two PCIe controllers and each PCIe controller has '2' address
> spaces one within the 4GB address space of the SoC and the other above
> the 4GB address space of the SoC (cbass_main) in addition to the
> register space. The size of the address space above the 4GB SoC address
> space is 4GB. These address ranges will be used by CPU/DMA to access
> the PCIe address space. In order to represent the address space above
> the 4GB SoC address space and to represent the size of this address
> space as 4GB, change address-cells and size-cells of interconnect to 2.
> 
> Since OSPI has similar need in MCU Domain Memory Map, change
> address-cells and size-cells of cbass_mcu interconnect also to 2.
> 
> Fixes: ea47eed33a3fe3d919 ("arm64: dts: ti: Add Support for AM654 SoC")
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> Acked-by: Tony Lindgren <tony@...mide.com>
> Acked-by: Vignesh R <vigneshr@...com>
> ---
> Changes from v2:
> Added Fixes tag.

Thanks.
Acked-by: Nishanth Menon <nm@...com>

Tero: Could we take this for v4.20 ? While this is a bug fix, I think
it might be better in v4.20 window since it will help provide a clean merge
of follow on nodes.

-- 
Regards,
Nishanth Menon