From: Rob Herring <robherring2@gmail.com>
To: linux-kernel@vger.kernel.org, devicetree-discuss@lists.ozlabs.org
Cc: Rob Herring <rob.herring@calxeda.com>,
Vinod Koul <vinod.koul@intel.com>, Dan Williams <djbw@fb.com>,
Grant Likely <grant.likely@secretlab.ca>
Subject: [PATCH 1/2] of: dma: make #dma-cells optional
Date: Wed, 27 Feb 2013 18:57:57 -0600 [thread overview]
Message-ID: <1362013078-2213-1-git-send-email-robherring2@gmail.com> (raw)
From: Rob Herring <rob.herring@calxeda.com>
For controllers with no requests/clients (memory to memory only), the
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <djbw@fb.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
---
Documentation/devicetree/bindings/dma/dma.txt | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/dma/dma.txt b/Documentation/devicetree/bindings/dma/dma.txt
index 8f504e6..d388f06 100644
--- a/Documentation/devicetree/bindings/dma/dma.txt
+++ b/Documentation/devicetree/bindings/dma/dma.txt
@@ -8,9 +8,10 @@ controller.
* DMA controller
Required property:
-- #dma-cells: Must be at least 1. Used to provide DMA controller
- specific information. See DMA client binding below for
- more details.
+- #dma-cells: Required for controllers with requests. Optional for
+ memory to memory only DMA controllers. Must be at least
+ 1. Used to provide DMA controller specific information.
+ See DMA client binding below for more details.
Optional properties:
- dma-channels: Number of DMA channels supported by the controller.
--
1.7.10.4
next reply other threads:[~2013-02-28 0:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-28 0:57 Rob Herring [this message]
2013-02-28 0:57 ` [PATCH 2/2] dma: of: allow for non-existent #dma-cells property Rob Herring
[not found] ` <1362013078-2213-1-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-02-28 1:33 ` [PATCH 1/2] of: dma: make #dma-cells optional Jon Hunter
[not found] ` <512EB3FD.2000207-l0cyMroinI0@public.gmane.org>
2013-02-28 1:43 ` Jon Hunter
2013-03-07 6:34 ` Vinod Koul
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=1362013078-2213-1-git-send-email-robherring2@gmail.com \
--to=robherring2@gmail.com \
--cc=devicetree-discuss@lists.ozlabs.org \
--cc=djbw@fb.com \
--cc=grant.likely@secretlab.ca \
--cc=linux-kernel@vger.kernel.org \
--cc=rob.herring@calxeda.com \
--cc=vinod.koul@intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.