On Sat, 15 Oct 2016, Bryan Paluch wrote: > Increase ohci watchout delay to 275 ms. Previous delay was 250 ms > with 20 ms of slack, after removing slack time some ohci controllers don't > respond in time. Logs from systems with controllers that have the > issue would show "HcDoneHead not written back; disabled" > > Signed-off-by: Bryan Paluch <bryanpaluch@xxxxxxxxx> > --- > Reported and discussed: > https://lkml.kernel.org/r/< > Pine.LNX.4.44L0.1610151100250.29083-100000@xxxxxxxxxxxxxxxxxxxx> > drivers/usb/host/ohci-hcd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c > index 1700908..86612ac 100644 > --- a/drivers/usb/host/ohci-hcd.c > +++ b/drivers/usb/host/ohci-hcd.c > @@ -72,7 +72,7 @@ > static const char hcd_name [] = "ohci_hcd"; > > #define STATECHANGE_DELAY msecs_to_jiffies(300) > -#define IO_WATCHDOG_DELAY msecs_to_jiffies(250) > +#define IO_WATCHDOG_DELAY msecs_to_jiffies(275) > > #include "ohci.h" > #include "pci-quirks.h" Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Greg, this should be marked for -stable; the problem was apparently introduced between 4.7 and 4.8. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
