[irqchip: irq/irqchip-next] irqchip/loongson-liointc: Fix build warnings

[irqchip-bot for Huacai Chen]

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     4cc99d03757df10a4064ba28bf6021406b04d6a9
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/4cc99d03757df10a4064ba28bf6021406b04d6a9
Author:        Huacai Chen <chenhuacai@xxxxxxxxxx>
AuthorDate:    Tue, 05 Jan 2021 10:56:51 +08:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Tue, 05 Jan 2021 10:51:14 

irqchip/loongson-liointc: Fix build warnings

Fix build warnings as below:

>> drivers/irqchip/irq-loongson-liointc.c:134:12: warning: no previous prototype for 'liointc_of_init' [-Wmissing-prototypes]
     134 | int __init liointc_of_init(struct device_node *node,
         |            ^~~~~~~~~~~~~~~

Fixes: dbb152267908c4b2c3639492a94 ("irqchip: Add driver for Loongson I/O Local Interrupt Controller")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210105025651.772024-1-chenhuacai@xxxxxxxxxxx
---
 drivers/irqchip/irq-loongson-liointc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c
index 9ed1bc4..09b91b8 100644
--- a/drivers/irqchip/irq-loongson-liointc.c
+++ b/drivers/irqchip/irq-loongson-liointc.c
@@ -142,8 +142,8 @@ static void liointc_resume(struct irq_chip_generic *gc)
 
 static const char * const parent_names[] = {"int0", "int1", "int2", "int3"};
 
-int __init liointc_of_init(struct device_node *node,
-				struct device_node *parent)
+static int __init liointc_of_init(struct device_node *node,
+				  struct device_node *parent)
 {
 	struct irq_chip_generic *gc;
 	struct irq_domain *domain;