> bt848 because of too many errors. The reset involves some actions
> (calling set_pll() for example) which can't be done from irq context,
> thats why bttv's irq handler just stops dma and sets a flag. Next time
> some program calls a ioctl() bttv resets the chip an restarts everything.
> If someone has a more clever way to handle this, hints are welcome...
Can the set_pll be done with timers as a state machine ?
If not can you wake people sleeping in ioctl/read etc and have the read/ioctl
loop also check the flag so the flow is
read
sleep
error
set flag
wake
flag set ?
set_poll
goto read loop
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This archive was generated by hypermail 2b29 : Tue May 23 2000 - 21:00:23 EST