Messages in this thread | | | Date | Mon, 2 Jun 2014 11:54:36 -0400 | From | Santosh Shilimkar <> | Subject | Re: [PATCH v3 0/7] of: setup dma parameters using dma-ranges and dma-coherent |
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Arnd,
On Monday 02 June 2014 11:06 AM, Arnd Bergmann wrote: > On Monday 02 June 2014 09:24:50 Santosh Shilimkar wrote: >> On Monday 02 June 2014 02:37 AM, Shawn Guo wrote: >>> On Thu, Apr 24, 2014 at 11:30:00AM -0400, Santosh Shilimkar wrote: >>>> Here is an updated v3 of the series. Series introduces support for setting up >>>> dma parameters based on device tree properties like 'dma-ranges' and >>>> 'dma-coherent' and also update to ARM 32 bit port. Earlier version of the >>>> series can be found here [3], [2] and [1]. >>> >>> Are these two generic device tree properties documented somewhere under >>> Documentation/devicetree/bindings? >>> >> These bindings have been already in use before this series. But looks like >> they have not been documented. I will do a patch to add description for those >> couple of parameters. > > dma-ranges is part of ePAPR, and was documented in some ieee-1275 addenda > before that, but I agree it would be nice to have something in kernel as > well, at the minimum something pointing to the relevant documents. > We are thinking of updating 'Documentation/devicetree/bindings/dma/dma.txt' to add the information for these extra two parameters.
Is that fine or any other suggestion ?
Regards, Santosh
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