[PATCH 7/9] irqchip/gic-v3-its: Initialize its nodes later

Robert Richter
2017-02-01T17:38:31Z

Use an initcall to initialize its. This allows us to use the device
framework during initialization that is up at this point. We use
subsys_initcall() here since we need the arch to be initialized
first. It is before pci and platform device probe where devices are
bound to msi interrupts.

Signed-off-by: Robert Richter <rrichter@cavium.com>
---
drivers/irqchip/irq-gic-v3-its.c | 3 ++-
drivers/irqchip/irq-gic-v3.c | 5 -----
include/linux/irqchip/arm-gic-v3.h | 1 -
3 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 68b468686d5b..e915bb393c87 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1897,7 +1897,7 @@ int __init its_probe(struct fwnode_handle *handle, struct rdists *rdists,
return 0;
}

-int __init its_init(void)
+static int __init its_init(void)
{
struct its_node *its, *tmp;
int err = 0, err2;
@@ -1938,3 +1938,4 @@ int __init its_init(void)

return 0;
}
+subsys_initcall(its_init);
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 2b9be256a9ec..69da7c1ccbf2 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -1164,9 +1164,6 @@ static int __init gic_of_init(struct device_node *node, struct device_node *pare

gic_populate_ppi_partitions(node);
gic_of_setup_kvm_info(node);
-
- its_init();
-
return 0;

out_unmap_rdist:
@@ -1456,8 +1453,6 @@ gic_acpi_init(struct acpi_subtable_header *header, const unsigned long end)
acpi_set_irq_model(ACPI_IRQ_MODEL_GIC, domain_handle);
gic_acpi_setup_kvm_info();

- its_init();
-
return 0;

out_fwhandle_free:
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 8bc5c137b059..4cd6e6c3cbcf 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -433,7 +433,6 @@ struct irq_domain;
struct fwnode_handle;
int its_probe(struct fwnode_handle *handle, struct rdists *rdists,
struct irq_domain *domain);
-int its_init(void);

static inline bool gic_enable_sre(void)
{
--
2.11.0