diff mbox

[v2,1/4] dma: mmp_pdma: Add the #dma-requests DT property documentation

Message ID 1455569868-25017-1-git-send-email-robert.jarzmik@free.fr (mailing list archive)
State New, archived
Headers show

Commit Message

Robert Jarzmik Feb. 15, 2016, 8:57 p.m. UTC
For pxa based platforms, the number of requestor lines should be
specified, so that the driver can check if the flow control should be
activated (when a requestor line is asked for) or not.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
Since v1: rename of property to #dma-requests
      	  modify default value to 32 as suggested by Vinod
---
 Documentation/devicetree/bindings/dma/mmp-dma.txt | 2 ++
 1 file changed, 2 insertions(+)

Comments

Rob Herring (Arm) Feb. 18, 2016, 2:38 p.m. UTC | #1
On Mon, Feb 15, 2016 at 09:57:45PM +0100, Robert Jarzmik wrote:
> For pxa based platforms, the number of requestor lines should be
> specified, so that the driver can check if the flow control should be
> activated (when a requestor line is asked for) or not.
> 
> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
> ---
> Since v1: rename of property to #dma-requests
>       	  modify default value to 32 as suggested by Vinod
> ---
>  Documentation/devicetree/bindings/dma/mmp-dma.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/dma/mmp-dma.txt b/Documentation/devicetree/bindings/dma/mmp-dma.txt
index 7a802f64e5bd..8f7364a7b349 100644
--- a/Documentation/devicetree/bindings/dma/mmp-dma.txt
+++ b/Documentation/devicetree/bindings/dma/mmp-dma.txt
@@ -12,6 +12,8 @@  Required properties:
 Optional properties:
 - #dma-channels: Number of DMA channels supported by the controller (defaults
   to 32 when not specified)
+- #dma-requests: Number of DMA requestor lines supported by the controller
+  (defaults to 32 when not specified)
 
 "marvell,pdma-1.0"
 Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688.