Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1334792

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

From Robert Jarzmik <robert.jarzmik@free.fr>
Newsgroups linux.kernel
Subject [PATCH v2 1/4] dma: mmp_pdma: Add the #dma-requests DT property documentation
Date 2016-02-15 21:30 +0100
Message-ID <r2xWq-643-13@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


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(+)

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.
-- 
2.1.4

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH v2 1/4] dma: mmp_pdma: Add the #dma-requests DT property documentation Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 21:30 +0100

csiph-web