Messages in this thread | | | Subject | Re: [PATCH 4/5] dt-bindings: dma: ti-edma: Add option for reserved channel ranges | From | Peter Ujfalusi <> | Date | Fri, 30 Aug 2019 08:37:33 +0300 |
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Rob,
On 30/08/2019 1.47, Rob Herring wrote: > On Fri, Aug 23, 2019 at 03:56:17PM +0300, Peter Ujfalusi wrote: >> Similarly to paRAM slots, channels can be used by other cores. >> >> Add optional property to configure the reserved channel ranges. >> >> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> >> --- >> Documentation/devicetree/bindings/dma/ti-edma.txt | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt >> index 4bbc94d829c8..1198682ada99 100644 >> --- a/Documentation/devicetree/bindings/dma/ti-edma.txt >> +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt >> @@ -42,6 +42,9 @@ Optional properties: >> - ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by >> the driver, they are allocated to be used by for example the >> DSP. See example. >> +- ti,edma-reserved-chan-ranges: channel ranges which should not be used by >> + the driver, they are allocated to be used by for example the >> + DSP. See example. > > Based on the other thread, I think extending dma-channel-mask to a > uint32-array makes sense here.
Yes, that is the reason I have asked on that and I'm in progress of converting the edma driver to use the dma-channel-mask. Just need to do some shuffling in the driver to get the mask in a form usable by the driver.
I'll send an updated series early next week.
- Péter
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