[tip:irq/core] genirq: Make irq_domain_alloc_descs() non static

[tip-bot for Qais Yousef <tipbot@zytor.com>]

Commit-ID:  ac0a0cd266d1f21236d5975ca6bced9b377a2a6a
Gitweb:     http://git.kernel.org/tip/ac0a0cd266d1f21236d5975ca6bced9b377a2a6a
Author:     Qais Yousef <qais.yousef@imgtec.com>
AuthorDate: Tue, 8 Dec 2015 13:20:18 +0000
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 25 Feb 2016 10:56:56 +0100

genirq: Make irq_domain_alloc_descs() non static

We will need to use this function to implement irq_reserve_ipi() later. So
make it non static and move the prototype to irqdomain.h to allow using it
outside irqdomain.c

Signed-off-by: Qais Yousef <qais.yousef@imgtec.com>
Cc: <jason@lakedaemon.net>
Cc: <marc.zyngier@arm.com>
Cc: <jiang.liu@linux.intel.com>
Cc: <ralf@linux-mips.org>
Cc: <linux-mips@linux-mips.org>
Cc: <lisa.parratt@imgtec.com>
Cc: Qais Yousef <qsyousef@gmail.com>
Link: http://lkml.kernel.org/r/1449580830-23652-8-git-send-email-qais.yousef@imgtec.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/irqdomain.h | 2 ++
 kernel/irq/irqdomain.c    | 6 ++----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 130e1c3..c466cc1 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -213,6 +213,8 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node,
 extern struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode,
 						   enum irq_domain_bus_token bus_token);
 extern void irq_set_default_host(struct irq_domain *host);
+extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs,
+				  irq_hw_number_t hwirq, int node);
 
 static inline struct fwnode_handle *of_node_to_fwnode(struct device_node *node)
 {
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 3e56d2f0..8681154 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -23,8 +23,6 @@ static DEFINE_MUTEX(irq_domain_mutex);
 static DEFINE_MUTEX(revmap_trees_mutex);
 static struct irq_domain *irq_default_domain;
 
-static int irq_domain_alloc_descs(int virq, unsigned int nr_irqs,
-				  irq_hw_number_t hwirq, int node);
 static void irq_domain_check_hierarchy(struct irq_domain *domain);
 
 struct irqchip_fwid {
@@ -840,8 +838,8 @@ const struct irq_domain_ops irq_domain_simple_ops = {
 };
 EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
 
-static int irq_domain_alloc_descs(int virq, unsigned int cnt,
-				  irq_hw_number_t hwirq, int node)
+int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq,
+			   int node)
 {
 	unsigned int hint;