* Tony Lindgren <tony@xxxxxxxxxxx> [081021 15:02]: > * Felipe Contreras <felipe.contreras@xxxxxxxxx> [081021 14:34]: > > On Tue, Oct 21, 2008 at 11:37 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > > * Felipe Contreras <felipe.contreras@xxxxxxxxx> [081021 13:09]: > > >> On Tue, Oct 21, 2008 at 7:58 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > >> > Hi all, > > >> > > > >> > Here's a bug fix for the irq -33 issue. So far it looks like the irq > > >> > spurious bits just tell that the irq sorting is invalid. > > >> > > > >> > This patch applies after undoing Lauri's patch > > >> > 5dc857b34441d5c0989b68bf3a488f89983b2645. > > >> > > >> You mean? > > >> 3da0e10243d075b905dfa8f1b4a6cb3694ab2ce0 > > > > > > Oops yeah. > > > > > >> > Looks like there are still occasional spurious GPT12 interrupts, so > > >> > I'm now looking into that. > > >> > > >> Works perfectly fine with my DSP tests :) > > > > > > Thanks for testing, good to hear. > > > > Hm, I forgot to revert acb7f8, so the test is not valid. I will try > > again tomorrow. > > Well so far the only difference in my tests have been that with > strongly ordered patch there are no spurious irq 95 interrupts, > while without the strongly ordered patch there are occasional > spurious irq 95 interrupts. > > These irq 95 interrupts without the strongly ordered patch are > strange as I don't have GPT12 enabled. Also, when they occur, > the INTCPS_SIR_IRQ bits for SPURIOUSIRQFLAG are set to 0x3ffffff > instead of the normal 0 or 1. > > Anybody have an idea whtat the SPURIOUSIRQFLAG bits are > supposed to tell in addition to the priority sorting information > being valid or not? > > The spurious interrupts show up easily with Natan's DSP ping > test. There's about one spurious irq 95 every two seconds > or so. The system still keeps working normally. > > Anyways, I'll revert the earlier patch from Lauri, and apply > this one. Will also add it to omap-fixes queue for the mainline > kernel. BTW, looks like marking just the L4 as MT_MEMORY_SO is enough to get rid of the spurious irq 95 interrupts. > Regards, > > Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
