Hi Dirk,
On Wed, Sep 6, 2017 at 12:09 PM, Dirk Behme <[email protected]> wrote:
> On 06.09.2017 11:22, Geert Uytterhoeven wrote:
>> On Wed, Sep 6, 2017 at 9:05 AM, Dirk Behme <[email protected]>
>> wrote:
>>>
>>> From: Ryo Kataoka <[email protected]>
>>>
>>> MSIOF Base Address H'E6xx can be accessed by CPU and DMAC.
>>> MSIOF Base Address H'E7xx for DMAC was removed from H/W manual.
>>>
>>> Signed-off-by: Ryo Kataoka <[email protected]>
>>> Signed-off-by: Hiromitsu Yamasaki <[email protected]>
>>> Signed-off-by: Dirk Behme <[email protected]>
>>
>>
>> NAKed-by: Geert Uytterhoeven <[email protected]>
>>
>> The MSIOF Base Address for DMAC was removed only from the R-Car Gen2/Gen3
>> manuals. It still affects e.g. R-Mobile APE6.
>
> Do we have a nice run time detection for that?
The current driver code just looks at the DTS, cfr. the comment:
/* The DMA engine uses the second register set, if present */
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
