From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33944 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751454AbeDFHyG (ORCPT ); Fri, 6 Apr 2018 03:54:06 -0400 Subject: Patch "staging: comedi: ni_mio_common: ack ai fifo error interrupts." has been added to the 4.16-stable tree To: fmh6jj@gmail.com, abbotti@mev.co.uk, gregkh@linuxfoundation.org, stable@vger.kernel.org Cc: , From: Date: Fri, 06 Apr 2018 09:53:49 +0200 Message-ID: <152300122977139@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 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 the 4.16-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: staging-comedi-ni_mio_common-ack-ai-fifo-error-interrupts.patch and it can be found in the queue-4.16 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From e1d9fc04c41840a4688ef6ce90b6dcca157ea4d7 Mon Sep 17 00:00:00 2001 From: Frank Mori Hess Date: Thu, 15 Mar 2018 10:25:44 +0000 Subject: staging: comedi: ni_mio_common: ack ai fifo error interrupts. From: Frank Mori Hess commit e1d9fc04c41840a4688ef6ce90b6dcca157ea4d7 upstream. 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: # v4.2+ Signed-off-by: Frank Mori Hess Signed-off-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/ni_mio_common.c | 2 ++ 1 file changed, 2 insertions(+) --- 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 comed 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); } Patches currently in stable-queue which might be from fmh6jj@gmail.com are queue-4.16/staging-comedi-ni_mio_common-ack-ai-fifo-error-interrupts.patch