Commit-ID: b903dfb277c09e53d499480e9670557dcce36fbd Gitweb: http://git.kernel.org/tip/b903dfb277c09e53d499480e9670557dcce36fbd Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Tue, 16 May 2017 20:42:42 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Tue, 23 May 2017 10:01:37 +0200
iommu/of: Adjust system_state check 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. Tested-by: Mark Rutland <mark.rutl...@arm.com> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Acked-by: Joerg Roedel <j...@8bytes.org> Acked-by: Robin Murphy <robin.mur...@arm.com> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Steven Rostedt <rost...@goodmis.org> Cc: io...@lists.linux-foundation.org Link: http://lkml.kernel.org/r/20170516184735.788023...@linutronix.de Signed-off-by: Ingo Molnar <mi...@kernel.org> --- drivers/iommu/of_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index 9f44ee8..b8dcf44 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -103,7 +103,7 @@ static bool of_iommu_driver_present(struct device_node *np) * 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);
