[alsa-devel] [PATCH 1/2][RFC] dmaengine: rcar-audmapp: calculate chcr via src/dst addr

[Geert Uytterhoeven]

Hi Morimoto-san,

On Thu, Jan 29, 2015 at 10:45 AM, Kuninori Morimoto
<kuninori.morimoto.gx at renesas.com> wrote:
>> Morimoto-san: Are the base addresses configured in DT?
>> I did a quick search for 0xec300000, 0xec320000, 0xec40000,
>> 0xec420000, and 0xec000000,  and couldn't find them in DT, only in
>> source code (comments). They must come from somewhere?
>> Note that I didn't follow the sound binding discussions that closely.
>
> This base addresses are specified from sound driver.
>  - sound driver specifies src/dst address by DMAEngine API

>From the rcar_sound node? That one has 0xec500000 as the base address.

>  - audmapp find necessary ID from src/dst address

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

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when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds