clocksource: mips-gic: Staticize local symbols

There are a number of variables and functions which are unnecessarily
global.  Mark them static.
Signed-off-by: NAndrew Bresticker <abrestic@chromium.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Qais Yousef <qais.yousef@imgtec.com>
Cc: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8135/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

drivers/clocksource/mips-gic-timer.c

@@ -15,8 +15,8 @@
 
 #include <asm/time.h>
 
-DEFINE_PER_CPU(struct clock_event_device, gic_clockevent_device);
-int gic_timer_irq_installed;
+static DEFINE_PER_CPU(struct clock_event_device, gic_clockevent_device);
+static int gic_timer_irq_installed;
 
 static int gic_next_event(unsigned long delta, struct clock_event_device *evt)
 {
@@ -30,13 +30,13 @@ static int gic_next_event(unsigned long delta, struct clock_event_device *evt)
 	return res;
 }
 
-void gic_set_clock_mode(enum clock_event_mode mode,
+static void gic_set_clock_mode(enum clock_event_mode mode,
 				struct clock_event_device *evt)
 {
 	/* Nothing to do ...  */
 }
 
-irqreturn_t gic_compare_interrupt(int irq, void *dev_id)
+static irqreturn_t gic_compare_interrupt(int irq, void *dev_id)
 {
 	struct clock_event_device *cd;
 	int cpu = smp_processor_id();
@@ -53,7 +53,7 @@ struct irqaction gic_compare_irqaction = {
 	.name = "timer",
 };
 
-void gic_event_handler(struct clock_event_device *dev)
+static void gic_event_handler(struct clock_event_device *dev)
 {
 }