Re: [PATCH 1/2] dma: add Qualcomm Technologies HIDMA management driver

[Sinan Kaya]

On 10/30/2015 2:40 PM, Andy Shevchenko wrote:
> On Fri, Oct 30, 2015 at 8:25 PM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
>
> > > > CSRT is an Intel specific ACPI table for slave devices.
> > >
> > > Wrong.
> > > It was designed by Microsoft to support multiple controllers, in
> > > particular DMACs.
> > > Have you read that document I posted link to?
Nope.

> > > > It was decided by
> > > > Linaro that CSRT will not be supported for ARM64.
> > >
> > > Interesting, ARM64 platforms are not going to have more than one DMAC
> > > per system?
> >
> > I cannot imagine that being true, and I don't see why Linaro would
> > decide such a thing.

See this.

https://wiki.linaro.org/LEG/Engineering/Kernel/ACPI/TablePriorities


> > It does appear that it's not relevant to this device and driver, given
> > the lack of clients, unless I've misunderstood?
>
> Yeah, just a side note.
OK.

--
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a 
Linux Foundation Collaborative Project
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