genirq: Export IRQ functions for module use

Export irq_chip_*_parent(), irq_domain_create_hierarchy(),
irq_domain_set_hwirq_and_chip(), irq_domain_reset_irq_data(),
irq_domain_alloc/free_irqs_parent()

So gpio drivers can be built as modules. First user: gpio-xgene-sb

Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Phong Vo <pvo@apm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: patches@apm.com
Cc: Loc Ho <lho@apm.com>
Cc: Keyur Chudgar <kchudgar@apm.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Link: https://lists.01.org/pipermail/kbuild-all/2016-February/017914.html
Link: http://lkml.kernel.org/r/1457017012-10628-1-git-send-email-qnguyen@apm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 5797909..2f9f2b0 100644 (file)
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -961,6 +961,7 @@ void irq_chip_mask_parent(struct irq_data *data)
        data = data->parent_data;
        data->chip->irq_mask(data);
 }
+EXPORT_SYMBOL_GPL(irq_chip_mask_parent);
 
 /**
  * irq_chip_unmask_parent - Unmask the parent interrupt
@@ -971,6 +972,7 @@ void irq_chip_unmask_parent(struct irq_data *data)
        data = data->parent_data;
        data->chip->irq_unmask(data);
 }
+EXPORT_SYMBOL_GPL(irq_chip_unmask_parent);
 
 /**
  * irq_chip_eoi_parent - Invoke EOI on the parent interrupt
@@ -981,6 +983,7 @@ void irq_chip_eoi_parent(struct irq_data *data)
        data = data->parent_data;
        data->chip->irq_eoi(data);
 }
+EXPORT_SYMBOL_GPL(irq_chip_eoi_parent);
 
 /**
  * irq_chip_set_affinity_parent - Set affinity on the parent interrupt
@@ -1016,6 +1019,7 @@ int irq_chip_set_type_parent(struct irq_data *data, unsigned int type)
 
        return -ENOSYS;
 }
+EXPORT_SYMBOL_GPL(irq_chip_set_type_parent);
 
 /**
  * irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 8681154..3a519a0 100644 (file)
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -893,6 +893,7 @@ struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent,
 
        return domain;
 }
+EXPORT_SYMBOL_GPL(irq_domain_create_hierarchy);
 
 static void irq_domain_insert_irq(int virq)
 {
@@ -1043,6 +1044,7 @@ int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, unsigned int virq,
 
        return 0;
 }
+EXPORT_SYMBOL_GPL(irq_domain_set_hwirq_and_chip);
 
 /**
  * irq_domain_set_info - Set the complete data for a @virq in @domain
@@ -1076,6 +1078,7 @@ void irq_domain_reset_irq_data(struct irq_data *irq_data)
        irq_data->chip = &no_irq_chip;
        irq_data->chip_data = NULL;
 }
+EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data);
 
 /**
  * irq_domain_free_irqs_common - Clear irq_data and free the parent
@@ -1273,6 +1276,7 @@ int irq_domain_alloc_irqs_parent(struct irq_domain *domain,
                                                       nr_irqs, arg);
        return -ENOSYS;
 }
+EXPORT_SYMBOL_GPL(irq_domain_alloc_irqs_parent);
 
 /**
  * irq_domain_free_irqs_parent - Free interrupts from parent domain
@@ -1290,6 +1294,7 @@ void irq_domain_free_irqs_parent(struct irq_domain *domain,
                irq_domain_free_irqs_recursive(domain->parent, irq_base,
                                               nr_irqs);
 }
+EXPORT_SYMBOL_GPL(irq_domain_free_irqs_parent);
 
 /**
  * irq_domain_activate_irq - Call domain_ops->activate recursively to activate