Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760903Ab3D2TkL (ORCPT ); Mon, 29 Apr 2013 15:40:11 -0400 Received: from mail-we0-f175.google.com ([74.125.82.175]:38460 "EHLO mail-we0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760887Ab3D2TkH (ORCPT ); Mon, 29 Apr 2013 15:40:07 -0400 From: Julien Grall To: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org Cc: konrad.wilk@oracle.com, Stefano.Stabellini@eu.citrix.com, patches@linaro.org, Julien Grall Subject: [PATCH] xen: clear IRQ_NOAUTOEN and IRQ_NOREQUEST when a VIRQ is bound Date: Mon, 29 Apr 2013 20:39:37 +0100 Message-Id: <1367264377-7107-1-git-send-email-julien.grall@linaro.org> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1122 Lines: 33 Reset the IRQ_NOAUTOEN and IRQ_NOREQUEST flags that are enabled by default on ARM. If IRQ_NOAUTOEN is set, __setup_irq doesn't call irq_startup, that is responsible for calling irq_unmask at startup time. As a result event channels remain masked. The clear is already made in bind_evtchn_to_irq with commit a8636c0 but was missing in bind_virq_to_irq. Signed-off-by: Julien Grall --- drivers/xen/events.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index d8cc812..b0ad226 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -994,6 +994,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) WARN_ON(info == NULL || info->type != IRQT_VIRQ); } + irq_clear_status_flags(irq, IRQ_NOREQUEST|IRQ_NOAUTOEN); out: mutex_unlock(&irq_mapping_update_lock); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/