[patch V2 11/17] iommu/of: Adjust system_state check

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	[patch V2 11/17] iommu/of: Adjust system_state check
Date	2017-05-16 21:00 +0200
Message-ID	<tHPRo-M2-41@gated-at.bofh.it> (permalink)
References	<tHPRn-M2-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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 <tglx@linutronix.de>
Acked-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
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);

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[patch V2 11/17] iommu/of: Adjust system_state check Thomas Gleixner <tglx@linutronix.de> - 2017-05-16 21:00 +0200
  [tip:sched/core] iommu/of: Adjust system_state check tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-05-23 11:00 +0200

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