>>>>> "Joakim" == Joakim Tjernlund <[EMAIL PROTECTED]> writes:
Hi, >> So long as you do the polling with IRQs enabled, I'd keep it >> simple and just always poll. YMMV of course, but most devices >> seem to prefer more like 10 MHz clocks than 1 MHz ones. Joakim> Sorry for the delay, forgot about this. Joakim> Won't polling for long periods starve user space? How to Joakim> overcome this? I guess it won't be any worse than the processor being overloaded with interrupts - In fact it's better, as there's more real work done. Joakim> Why use a kernel thread(mpc83xx_spi.0) to do the work? Would Joakim> it not be better if the polling was in process context? I guess that's needed for the async stuff. -- Bye, Peter Korsgaard ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
