Messages in this thread |  | | From | Geert Uytterhoeven <> | Date | Mon, 3 Feb 2020 21:34:12 +0100 | Subject | Re: [PATCH 0/3] dmaengine: Stear users towards dma_request_slave_chan() |
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Hi Adrian,
On Mon, Feb 3, 2020 at 9:21 PM John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> wrote: > On 2/3/20 2:32 PM, Geert Uytterhoeven wrote: > > Both rspi and sh-msiof have users on legacy SH (i.e. without DT): > > FWIW, there is a patch set by Yoshinori Sato to add device tree support > for classical SuperH hardware. It was never merged, unfortunately :(.
True.
> > Anyone who cares for DMA on SuperH? > > What is DMA used for on SuperH? Wouldn't dropping it cut support for > essential hardware features?
It may make a few things slower.
Does any of your SuperH boards use DMA? Anything interesting in /proc or /sys w.r.t. DMA?
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
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
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