From: Tilman Schmidt Date: Sun, 5 Apr 2009 06:39:33 +0000 (+0000) Subject: bas_gigaset: use tasklet_hi_schedule for timing critical tasklets X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=368fd81d2db26e3338c7f42778a695510aff31b3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git bas_gigaset: use tasklet_hi_schedule for timing critical tasklets The tasklets for isochronous data transfer need to run within 8 msec to avoid over/underruns, so schedule them with high priority to fix reported issues with occasional over/underruns. Signed-off-by: Tilman Schmidt Signed-off-by: David S. Miller --- diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 831ddce1467b..781c4041f7b0 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -821,7 +821,7 @@ static void read_iso_callback(struct urb *urb) /* pass URB to tasklet */ ubc->isoindone = urb; ubc->isoinstatus = status; - tasklet_schedule(&ubc->rcvd_tasklet); + tasklet_hi_schedule(&ubc->rcvd_tasklet); } else { /* tasklet still busy, drop data and resubmit URB */ ubc->loststatus = status; @@ -888,7 +888,7 @@ static void write_iso_callback(struct urb *urb) ubc->isooutovfl = ubc->isooutdone; ubc->isooutdone = ucx; spin_unlock_irqrestore(&ubc->isooutlock, flags); - tasklet_schedule(&ubc->sent_tasklet); + tasklet_hi_schedule(&ubc->sent_tasklet); } /* starturbs