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Groups > linux.kernel > #1334804
| 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 22:00 +0100 |
| Message-ID | <r2ypr-6g5-7@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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
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[PATCH v2 1/4] dma: mmp_pdma: Add the #dma-requests DT property documentation Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 22:00 +0100
[PATCH v2 2/4] dmaengine: mmp-pdma: add number of requestors Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 22:00 +0100
[PATCH v2 3/4] ARM: pxa: add the number of DMA requestor lines Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 22:00 +0100
[PATCH v2 4/4] dmaengine: pxa_dma: fix the maximum requestor line Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 22:00 +0100
Re: [PATCH v2 4/4] dmaengine: pxa_dma: fix the maximum requestor line Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-20 22:40 +0100
Re: [PATCH v2 1/4] dma: mmp_pdma: Add the #dma-requests DT property documentation Rob Herring <robh@kernel.org> - 2016-02-18 15:40 +0100
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