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Date:   Mon, 14 Oct 2019 19:09:12 +0800
From:   Shawn Guo <shawnguo@kernel.org>
To:     Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc:     robh+dt@kernel.org, devicetree@vger.kernel.org,
        frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org,
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        Li Yang <leoyang.li@nxp.com>, mbrugger@suse.com,
        robin.murphy@arm.com, f.fainelli@gmail.com,
        james.quinlan@broadcom.com, wahrenst@gmx.net,
        Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH 07/11] dts: arm64: layerscape: add dma-ranges property to
 qoric-mc node
Message-ID: <20191014110911.GL12262@dragon>
References: <20190924181244.7159-1-nsaenzjulienne@suse.de>
 <20190924181244.7159-8-nsaenzjulienne@suse.de>
 <20191014082847.GH12262@dragon>
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On Mon, Oct 14, 2019 at 12:00:25PM +0200, Nicolas Saenz Julienne wrote:
> On Mon, 2019-10-14 at 16:28 +0800, Shawn Guo wrote:
> > On Tue, Sep 24, 2019 at 08:12:38PM +0200, Nicolas Saenz Julienne wrote:
> > > qoriq-mc's dpmacs DMA configuration is inherited from their parent node,
> > > which acts a bus in this regard. So far it maked all devices as
> > > dma-coherent but no dma-ranges recommendation is made.
> > > 
> > > The truth is that the underlying interconnect has DMA constraints, so
> > > add an empty dma-ranges in qoriq-mc's node in order for DT's DMA
> > > configuration code to get the DMA constraints from it.
> > > 
> > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> > 
> > Updated subject prefix as 'arm64: dts: ...', and applied the patch.
> 
> Hi Shawn,
> these two patches are no longer needed. This series has been superseded by this
> patch[1] 951d48855d ('of: Make of_dma_get_range() work on bus nodes', available
> in linux-next) which fixed the issue directly in OF code.
> 
> Sorry for the noise.

Okay, thanks for letting me know.  Dropped them.

Shawn