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Date:   Thu, 18 Jul 2019 23:32:50 -0700
From:   Christoph Hellwig <>
To:     Loic PALLARDY <>
Cc:     Christoph Hellwig <>,
        Clement Leger <>,
        Ohad Ben-Cohen <>,
        Bjorn Andersson <>,
        "" <>,
        "" <>
Subject: Re: [PATCH v2] remoteproc: copy parent dma_pfn_offset for vdev

On Mon, Jul 08, 2019 at 11:45:46AM -0700, Christoph Hellwig wrote:
> > But that's breaking legacy as all platforms will have to add a virtio device node in
> > their DT file...
> > 
> > Is it aligned with your view ?
> Yes, that is how I'd assume it works.  But given that until recently
> you did now have these subdevices for dma coherent purposes we can't
> really break anything older than that, so I might still be missing
> something.

Any chance we could expedite this?  remoteproc is the only driver
inheriting dma ops to subdevices, and the only one using
dma_declare_coherent_memory.  I'd really like to clean this mess up
rather sooner than later.

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