[alsa-devel] [PATCH v2] dmaengine: Fix return value for dma_requrest_chan() in case of failure

[Geert Uytterhoeven]

Hi Marek,

s/dma_requrest_chan/dma_request_chan/ in one-line summary.

On Thu, Jan 30, 2020 at 8:08 AM Marek Szyprowski
<m.szyprowski at samsung.com> wrote:
> Commit 71723a96b8b1 ("dmaengine: Create symlinks between DMA channels and
> slaves") changed the dma_request_chan() function flow in such a way that
> it always returns EPROBE_DEFER in case of channels that cannot be found.
> This break the operation of the devices which have optional DMA channels
> as it puts their drivers in endless deferred probe loop. Fix this by
> propagating the proper error value.
>
> Fixes: 71723a96b8b1 ("dmaengine: Create symlinks between DMA channels and slaves")
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>

Sorry for breaking this, and thanks a lot for your fix!

Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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