From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753458AbbH0Pvh (ORCPT ); Thu, 27 Aug 2015 11:51:37 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:47096 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752182AbbH0Pvg (ORCPT ); Thu, 27 Aug 2015 11:51:36 -0400 From: Murali Karicheri To: , , Subject: [PATCH] soc: ti: reset irq affinity before freeing irq Date: Thu, 27 Aug 2015 11:51:11 -0400 Message-ID: <1440690671-1029-1-git-send-email-m-karicheri2@ti.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When using accumulator queue for rx side for network driver, following warning is seen when doing a reboot command from Linux console. This is because, affinity value is not reset before calling free_irq(). This patch fixes this. Deconfiguring network interfaces... [ 55.176589] ------------[ cut here ]----------- [ 55.181232] WARNING: CPU: 0 PID: 2081 at kernel/irq/manage.c:1370 __free_irq+0x208/0x214 Signed-off-by: Murali Karicheri --- - Applies to v4.2.0-rc8 drivers/soc/ti/knav_qmss_acc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/soc/ti/knav_qmss_acc.c b/drivers/soc/ti/knav_qmss_acc.c index ef6f69d..b98fe56 100644 --- a/drivers/soc/ti/knav_qmss_acc.c +++ b/drivers/soc/ti/knav_qmss_acc.c @@ -261,6 +261,10 @@ static int knav_range_setup_acc_irq(struct knav_range_info *range, if (old && !new) { dev_dbg(kdev->dev, "setup-acc-irq: freeing %s for channel %s\n", acc->name, acc->name); + ret = irq_set_affinity_hint(irq, NULL); + if (ret) + dev_warn(range->kdev->dev, + "Failed to set IRQ affinity\n"); free_irq(irq, range); } -- 1.9.1