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SubjectRe: [PATCH v3] dmaengine: rcar-dmac: don't use DMAC error interrupt
Hi Morimoto-san,

On Fri, Jun 15, 2018 at 2:53 AM Kuninori Morimoto
<kuninori.morimoto.gx@renesas.com> wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
>
> rcar-dmac has 2 types of interrupt, 1) error IRQ (for all),
> 2) IRQ for each channels.
> If error happens on some channels, the error IRQ will be handled
> by 1), and "all" channels will be restarted.
> But in this design, error handling itself will be problem for
> non error channel users.
> This patch removes 1) handler, and handles error IRQ on 2)

Thank you, that explains the rationale!

BTW, how can you trigger an error, for testing?

Thanks again!

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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