[linux-dvb] saa7146_i2c_writeout: timed out waiting for end of xfer

Soeren Sonnenburg dvb-ml at nn7.de
Sat Aug 18 22:53:01 CEST 2007


On Tue, 2007-07-31 at 14:37 +0200, Oliver Endriss wrote:
> Stone wrote:
> > On 7/17/07, Oliver Endriss <o.endriss at gmx.de> wrote:
> > >
> > > Oliver Endriss wrote:
> > > > Imho the interrupt processing was broken:
> > > > - The first I2C interrupt should be used to wake-up the task.
> > > >   It does not matter that it takes some time until ERR in IIC_STA
> > > >   will be updated. We don't need it.
> > > > - Interrupts must be acknowledged at the end of the ISR.
> > > >
> > > > @all
> > > > Please test the attached patch.
> > > > There shouldn't be any unexpected I2C interrupts anymore.
> > >
> > > Attached is an updated patch which does extended status checking.
> > 
> > 
> > Did this patch solve everyone's problems?  Is is checked in now?
> 
> There was little feedback, so it's not in the repository yet.
> 
> I would really appreciate if more people would test this patch,
> no matter whether they have a problem with the current driver
> or not. It would reduce the risk to introduce a bug.

I was now using this patch for 1-2 weeks. This setup has a FF-dvb-c and
a budget dvb-t card and after the patch there were no more timeout
messages. However since I added the asus p7131 I am seeing this message
regularly again (44 times in the last 5 days).

Thanks for investigating on this!!
Soeren



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