Re: [PATCH 2/2 v2] dma: ipu_idmac: do not lose valid received data in the irq handler

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Hi all,

On Thu, 3 Feb 2011 11:09:54 +0100 (CET)
Guennadi Liakhovetski <g.liakhovetski@xxxxxx> wrote:
...
> Yes, the first interrupt is different, that's where I'm dropping / 
> postponing it. With your patch only N (equal to the number of buffers 
> used, I think) first interrupts toggle, then always only one buffer is 
> used:
> 
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> ...
> 
> Verified with both capture.c and mplayer. Could you, please, verify 
> whether you get the same behaviour and what the problem could be?

Currently I'm quite busy, but I'll look at it this week end.

Thanks,
Anatolij
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