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-next 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 also be merged in the next major kernel release during the merge window.
If you have any questions about this process, please let me know.
From e1d9fc04c41840a4688ef6ce90b6dcca157ea4d7 Mon Sep 17 00:00:00 2001
From: Frank Mori Hess fmh6jj@gmail.com 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.
Cc: stable@vger.kernel.org # v4.2+ Signed-off-by: Frank Mori Hess fmh6jj@gmail.com Signed-off-by: Ian Abbott abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/staging/comedi/drivers/ni_mio_common.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index d6eb55b41814..e40a2c0a9543 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -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); }