linux-kernel - Re: [PATCH 2/2] of: Restrict DMA configuration

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Date:   Fri, 25 Aug 2017 16:54:57 +0200
From:   Christoph Hellwig <hch@....de>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Robin Murphy <robin.murphy@....com>,
        Frank Rowand <frowand.list@...il.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Andreas Färber <afaerber@...e.de>,
        Hans Verkuil <hverkuil@...all.nl>,
        Johan Hovold <johan@...nel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH 2/2] of: Restrict DMA configuration

On Tue, Aug 15, 2017 at 09:19:50AM -0500, Rob Herring wrote:
> > For the immediate issue at hand, I guess the alternative plan of attack
> > would be to stick a flag in struct bus_type for the bus drivers
> > themselves to opt into generic DMA configuration. That at least keeps
> > everything within the kernel (and come to think of it probably works
> > neatly for modular bus types as well).
> 
> I'm fine with the change as is, it's really just the commit text I'm
> commenting on.

Robin, can you resend this with an updated commit text?