drivers/w1/slaves/w1_bq27000.c

Joerg Reisenweber joerg at openmoko.org
Wed Nov 18 17:28:05 CET 2009


[Joerg Reisenweber Mi  18. November 2009]:
> [Lars-Peter Clausen Mo  2. November 2009]:
> > The original concern was that with irqs enabled a irq could be
> > triggered in between and the irq handler would run long enough to
> > screw the transmission up. On the other hand a transaction of 8 bits
> > takes 1.5 s 
> 
> That'd be *really* bad. According to above, this is ms then, not seconds
> 
> 
> > so running with irqs disabled is no option either. 
> > 
> Rethink, regarding above.

especially I think we shouldn't be too concerned about disabling all IRQ for 
1.5 MILLIseconds
/j
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