On 14/05/17 19:27, Thomas Gleixner wrote: > 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.
FWIW, Acked-by: Robin Murphy <robin.mur...@arm.com> > Signed-off-by: Thomas Gleixner <t...@linutronix.de> > Cc: Joerg Roedel <j...@8bytes.org> > Cc: io...@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); >
