On Sat, 21 Jul 2007 11:00:38 +0200 Thomas Meyer <[EMAIL PROTECTED]> wrote:
> Stephen Hemminger schrieb: > > Thomas Meyer <[EMAIL PROTECTED]> wrote: > > > > > >> Today i did a git pull to be up to date again and i noticed in the > >> powertop tool that i'll get this new entry > >> > >> 14,2% ( 9,1) <kernel core> : sky2_probe (sky2_idle) > >> > >> with around 10 interrupts per second. > >> > >> i think (i.e. i don't know and just guessing!) this commit is > >> responsible for these wake ups: > >> > >> git show eb35cf60e462491249166182e3e755d3d5d91a28 > >> > >> Author: Stephen Hemminger <[EMAIL PROTECTED]> > >> Date: Tue Jun 13 17:17:31 2006 +0900 > >> > >> [PATCH] sky2: stop/start hardware idle timer on suspend/resume > >> > >> The resume bug was caused not by an early interrupt but because the > >> idle > >> timeout was not being stopped on suspend. Also disable hardware IRQ's > >> on suspend. Will need to revisit this with hotplug? > >> > >> Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]> > >> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> > >> > >> Any ideas? > >> > >> > > > > Last version has idle timer enabled. > > It is a tradeoff between device hanging due to lost interrupt or wasting > > power. > > You can make the timeout longer by setting idle_timeout module parameter > > larger, > > (or zero which will disable it). > > > Ok. But do you need to start the timer when no cable is plugged in, like > in the case above? Probably not, because risk of missed PHY interrupt is miniscule. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
