Add export for irq_domain_update_bus_token() so that
we can allow drivers like the qcom-pdc driver to be
loadable as a module.

Cc: Andy Gross <agr...@kernel.org>
Cc: Bjorn Andersson <bjorn.anders...@linaro.org>
Cc: Joerg Roedel <j...@8bytes.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Jason Cooper <ja...@lakedaemon.net>
Cc: Marc Zyngier <m...@kernel.org>
Cc: Linus Walleij <linus.wall...@linaro.org>
Cc: Maulik Shah <mks...@codeaurora.org>
Cc: Lina Iyer <il...@codeaurora.org>
Cc: Saravana Kannan <sarava...@google.com>
Cc: Todd Kjos <tk...@google.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: linux-arm-...@vger.kernel.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-g...@vger.kernel.org
Signed-off-by: John Stultz <john.stu...@linaro.org>
---
 kernel/irq/irqdomain.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index a4c2c915511d..ca974d965fda 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -281,6 +281,7 @@ void irq_domain_update_bus_token(struct irq_domain *domain,
 
        mutex_unlock(&irq_domain_mutex);
 }
+EXPORT_SYMBOL_GPL(irq_domain_update_bus_token);
 
 /**
  * irq_domain_add_simple() - Register an irq_domain and optionally map a range 
of irqs
-- 
2.17.1

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