Messages in this thread | | | Date | Mon, 29 Sep 2014 12:30:43 +0200 | From | Frans Klaver <> | Subject | Re: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx |
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On Mon, Sep 29, 2014 at 11:54:40AM +0200, Sebastian Andrzej Siewior wrote: > There is a patch named "ARM: edma: unconditionally ack the error > interrupt". I have the feeling that this is not really required once we > delay set_termios. I couldn't reproduce the bug with beagleblack with my > usual test case.
I think so too. I didn't need it either.
> For your "too much work for irq" problem: Could you add trace_printk() > in tx/rx dma start/complete, and irq routine? The interresting part is > what is the irq routine doing once entered. It might be a condition that > is ignored at first and "acked" later while serving another event. Or it > is really doing something and this is more or less "legal".
I'll have a look at that.
> > >Thanks, > >Frans > > Sebastian
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