On 3 February 2012 10:24, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote: > On Fri, Feb 03, 2012 at 10:22:00AM +0100, javier Martin wrote: >> Hi Russell, >> >> On 3 February 2012 10:10, Russell King - ARM Linux >> <linux@xxxxxxxxxxxxxxxx> wrote: >> > On Fri, Feb 03, 2012 at 09:37:48AM +0100, javier Martin wrote: >> >> I've introduced a couple of printk() to check why this timeout is not >> >> triggered and I've found that the value of jiffies does not increase >> >> between loop iterations (i. e. it's like time didn't advance). >> >> >> >> Does anyobody know what reasons could make jiffies not being updated? >> > >> > Are interrupts disabled? >> >> Apparently not but, how could I check it for sure? Is >> "irqs_disabled()" suitable for that purpose? > > Yes. "irqs_disabled()" returns 0 in every iteration of the loop. So I guess this means IRQs are properly enabled, but jiffies keeps being fixed. -- Javier Martin Vista Silicon S.L. CDTUC - FASE C - Oficina S-345 Avda de los Castros s/n 39005- Santander. Cantabria. Spain +34 942 25 32 60 www.vista-silicon.com -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
