Re: [PATCH] dw_dmac: adjust slave_id accordingly to request line base

From: Viresh Kumar
Date: Wed Jan 30 2013 - 03:01:14 EST


On Wed, Jan 30, 2013 at 1:02 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> We get a device from the ACPI CSRT table. During enumeration we don't
> know what kind of the device it is. From the enumeration point of view
> each device enumerated from CSRT is a platform device (see
> drivers/acpi/csrt.c for the details).
>
> That's why we have to pass this info somehow to the DMAC driver. And
> like Mika already mentioned we have no other generic way except
> IORESOURCE_DMA. If you have something better in mind, please share. We
> could adopt our code then.

You don't need this in DT case too? Or only for ACPI case?

I think "Yes" is the answer of both the questions. If so, then you
can keep it this way or add another variable in platform data.
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