patch "staging: comedi: ni_mio_common: ack ai fifo error interrupts." added to staging-testing

This is a note to let you know that I've just added the patch titled

staging: comedi: ni_mio_common: ack ai fifo error interrupts.

to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-testing branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will be merged to the staging-next branch sometime soon, after it passes testing, and the merge window is open.

If you have any questions about this process, please let me know.

From: Frank Mori Hess <[email protected]>
Date: Thu, 15 Mar 2018 10:25:44 +0000
Subject: staging: comedi: ni_mio_common: ack ai fifo error interrupts.

Ack ai fifo error interrupts in interrupt handler to clear interrupt after fifo overflow. It should prevent lock-ups after the ai fifo overflows.

---
 drivers/staging/comedi/drivers/ni_mio_common.c | 2 ++
 1 file changed, 2 insertions(+)

index d6eb55b41814..e40a2c0a9543 100644
@@ -1275,6 +1275,8 @@ static void ack_a_interrupt(struct comedi_device *dev, unsigned short a_status)
 		ack |= NISTC_INTA_ACK_AI_START;
 	if (a_status & NISTC_AI_STATUS1_STOP)
 		ack |= NISTC_INTA_ACK_AI_STOP;
+	if (a_status & NISTC_AI_STATUS1_OVER)
+		ack |= NISTC_INTA_ACK_AI_ERR;
 	if (ack)
 		ni_stc_writew(dev, ack, NISTC_INTA_ACK_REG);
 }

2.16.2