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Commit 368fd81d authored by Tilman Schmidt's avatar Tilman Schmidt Committed by David S. Miller
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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: default avatarTilman Schmidt <tilman@imap.cc>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d9677a45

drivers/isdn/gigaset/bas-gigaset.c

+2 −2
Original line number Diff line number Diff line
@@ -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