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Groups > linux.kernel > #1585890

Re: [RESEND PATCH] dmaengine: bcm2835: Fix cyclic DMA period splitting

From Vinod Koul <vinod.koul@intel.com>
Newsgroups linux.kernel
Subject Re: [RESEND PATCH] dmaengine: bcm2835: Fix cyclic DMA period splitting
Date 2017-02-22 03:50 +0100
Message-ID <tdva9-37s-1@gated-at.bofh.it> (permalink)
References <td1vr-dn-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Feb 20, 2017 at 08:01:16PM +0100, Matthias Reichl wrote:
> The code responsible for splitting periods into chunks that
> can be handled by the DMA controller missed to update total_len,
> the number of bytes processed in the current period, when there
> are more chunks to follow.
> 
> Therefore total_len was stuck at 0 and the code didn't work at all.
> This resulted in a wrong control block layout and audio issues because
> the cyclic DMA callback wasn't executing on period boundaries.
> 
> Fix this by adding the missing total_len update.

Applied, thanks

-- 
~Vinod

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[RESEND PATCH] dmaengine: bcm2835: Fix cyclic DMA period splitting Matthias Reichl <hias@horus.com> - 2017-02-20 20:10 +0100
  Re: [RESEND PATCH] dmaengine: bcm2835: Fix cyclic DMA period  splitting Vinod Koul <vinod.koul@intel.com> - 2017-02-22 03:50 +0100

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