Messages in this thread | | | Subject | Re: [PATCH 09/18] dmaengine/amba-pl08x: Schedule tasklet in case of error interrupt | From | "Koul, Vinod" <> | Date | Thu, 04 Aug 2011 11:02:42 +0530 |
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On Thu, 2011-08-04 at 11:24 +0530, viresh kumar wrote: > On 08/04/2011 09:55 AM, Koul, Vinod wrote: > > Yes that's the whole point, today callback mechanism doesn't tell the > > _status_ of the transfer (which if we need change can be discussed as > > well), but to counter argue I have never been able to generate the error > > interrupt, are you able to do on your controller? > > Yes, if we supply unaligned address, with access width as word, then it gives > error interrupt. > > Regarding your point of updating callback for reporting errors, > I think it is required and should be a common issue. Okay till now no one has asked for it. We can add to callback arguments either a bool to indicate what is the transfer status or usual error code to also indicate what type of failure. I would prefer latter, if there is consensus on this, we can go thru with this approach, Dan your comments?
-- ~Vinod
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