From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Rob Herring <robh@kernel.org>
Cc: Juergen Gross <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Oleksandr Andrushchenko <Oleksandr_Andrushchenko@epam.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Julien Grall <julien.grall@arm.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Robin Murphy <robin.murphy@arm.com>,
Christoph Hellwig <hch@lst.de>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: Re: [Xen-devel] [PATCH v2] xen: Stop abusing DT of_dma_configure API
Date: Thu, 10 Oct 2019 11:44:14 -0400 [thread overview]
Message-ID: <6660fec3-df3b-2f38-ae28-4fce8e3c9d99@oracle.com> (raw)
In-Reply-To: <CAL_Jsq+OajTgKoV2gWQCfGbE32LNp23tjgOpTTLcwLx19jBU9A@mail.gmail.com>
On 10/10/19 11:32 AM, Rob Herring wrote:
> On Thu, Oct 10, 2019 at 9:00 AM Boris Ostrovsky
> <boris.ostrovsky@oracle.com> wrote:
>> On 10/9/19 7:42 AM, Oleksandr Andrushchenko wrote:
>>> On 10/8/19 10:41 PM, Rob Herring wrote:
>>>> As the removed comments say, these aren't DT based devices.
>>>> of_dma_configure() is going to stop allowing a NULL DT node and calling
>>>> it will no longer work.
>>>>
>>>> The comment is also now out of date as of commit 9ab91e7c5c51 ("arm64:
>>>> default to the direct mapping in get_arch_dma_ops"). Direct mapping
>>>> is now the default rather than dma_dummy_ops.
>>>>
>>>> According to Stefano and Oleksandr, the only other part needed is
>>>> setting the DMA masks and there's no reason to restrict the masks to
>>>> 32-bits. So set the masks to 64 bits.
>>>>
>>>> Cc: Robin Murphy <robin.murphy@arm.com>
>>>> Cc: Julien Grall <julien.grall@arm.com>
>>>> Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
>>>> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>>>> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
>>>> Cc: Juergen Gross <jgross@suse.com>
>>>> Cc: Stefano Stabellini <sstabellini@kernel.org>
>>>> Cc: Christoph Hellwig <hch@lst.de>
>>>> Cc: xen-devel@lists.xenproject.org
>>>> Signed-off-by: Rob Herring <robh@kernel.org>
>>> Acked-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>>
>> Is this going to go via drm tree or should I pick it up for Xen tree?
> Please apply to the Xen tree.
Ok. FTR,
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-10-10 15:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-08 19:41 [Xen-devel] [PATCH v2] xen: Stop abusing DT of_dma_configure API Rob Herring
2019-10-09 11:42 ` Oleksandr Andrushchenko
2019-10-10 13:59 ` Boris Ostrovsky
2019-10-10 15:32 ` Rob Herring
2019-10-10 15:44 ` Boris Ostrovsky [this message]
2019-10-11 1:42 ` Stefano Stabellini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6660fec3-df3b-2f38-ae28-4fce8e3c9d99@oracle.com \
--to=boris.ostrovsky@oracle.com \
--cc=Oleksandr_Andrushchenko@epam.com \
--cc=hch@lst.de \
--cc=jgross@suse.com \
--cc=julien.grall@arm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=nsaenzjulienne@suse.de \
--cc=robh@kernel.org \
--cc=robin.murphy@arm.com \
--cc=sstabellini@kernel.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).