On Thursday 05 June 2008, you wrote:
quoted text
> On Fri, 6 Jun 2008 08:11:23 +0200 (CEST) Guennadi Liakhovetski <g.liakhovetski@gmx.de> wrote:
> 
> > > Which kernel version are you running?
> > 
> > Sorry, this was a 2.6.26-rc3 based kernel with the gpio-sysfs patch from 
> > David, e.g., http://marc.info/?l=linux-kernel&m=121107105300923&w=2,
> > which introduces a call to device_unregister via gpiochip_unexport(chip); 
> > in gpiochip_remove. 
> 
> OK, thanks.
> 
> That's quite buggy and would have generated so many runtime warnings in
> a "developer" setup (rofl) that I look at Documentation/SubmitChecklist
> and just weep.
> 
> I'll drop it.

That seems excessive.  I observe a locking bug with a trivial fix;
happened because *one* code path (rmmod -- not often used with GPIOs
once they work) couldn't be tested on most of my test rigs.  It would
produce *ONE* runtime warning on that code path.

Other than missing one test case, the only other significant issue
from SubmitChecklist is that the Documentation/ABI update needs to
hold up until this merges to mainline, since one part of it includes
the date where that interface became available.

So ... what else were you thinking was trouble?

- Dave

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