From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753413AbdEPS4p (ORCPT ); Tue, 16 May 2017 14:56:45 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:41273 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753033AbdEPSwt (ORCPT ); Tue, 16 May 2017 14:52:49 -0400 Message-Id: <20170516184735.788023442@linutronix.de> User-Agent: quilt/0.63-1 Date: Tue, 16 May 2017 20:42:42 +0200 From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Ingo Molnar , Steven Rostedt , Mark Rutland , Greg Kroah-Hartman , Joerg Roedel , Robin Murphy , iommu@lists.linux-foundation.org Subject: [patch V2 11/17] iommu/of: Adjust system_state check References: <20170516184231.564888231@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=iommu-of--Adjust-system_state-check.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To enable smp_processor_id() and might_sleep() debug checks earlier, it's required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING. Adjust the system_state check in of_iommu_driver_present() to handle the extra states. Signed-off-by: Thomas Gleixner Acked-by: Joerg Roedel Acked-by: Robin Murphy Cc: iommu@lists.linux-foundation.org --- drivers/iommu/of_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -103,7 +103,7 @@ static bool of_iommu_driver_present(stru * it never will be. We don't want to defer indefinitely, nor attempt * to dereference __iommu_of_table after it's been freed. */ - if (system_state > SYSTEM_BOOTING) + if (system_state >= SYSTEM_RUNNING) return false; return of_match_node(&__iommu_of_table, np);