From: Christoph Hellwig <hch@infradead.org>
To: Loic PALLARDY <loic.pallardy@st.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Clement Leger <cleger@kalray.eu>,
Ohad Ben-Cohen <ohad@wizery.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
"linux-remoteproc@vger.kernel.org"
<linux-remoteproc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] remoteproc: copy parent dma_pfn_offset for vdev
Date: Thu, 18 Jul 2019 23:32:50 -0700 [thread overview]
Message-ID: <20190719063250.GA9545@infradead.org> (raw)
In-Reply-To: <20190708184546.GA20670@infradead.org>
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.
next prev parent reply other threads:[~2019-07-19 6:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190612095521.4703-1-cleger@kalray.eu>
2019-07-01 7:02 ` [PATCH v2] remoteproc: copy parent dma_pfn_offset for vdev Clement Leger
2019-07-02 6:27 ` Bjorn Andersson
2019-07-02 13:22 ` Christoph Hellwig
2019-07-02 15:36 ` Loic PALLARDY
2019-07-08 18:45 ` Christoph Hellwig
2019-07-19 6:32 ` Christoph Hellwig [this message]
2019-07-22 8:41 ` Loic PALLARDY
2019-07-22 9:24 ` Christoph Hellwig
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