[rtems commit] libcpu/arm/at91rm9200/clock/clock.c: Fix warnings

[Joel Sherrill]

Module:    rtems
Branch:    master
Commit:    b6b0c80c692ab520b9c394a76c38ba384ae688db
Changeset: http://git.rtems.org/rtems/commit/?id=b6b0c80c692ab520b9c394a76c38ba384ae688db

Author:    Joel Sherrill <joel.sherrill at oarcorp.com>
Date:      Sun Oct 12 15:37:32 2014 -0500

libcpu/arm/at91rm9200/clock/clock.c: Fix warnings

---

 c/src/lib/libcpu/arm/at91rm9200/clock/clock.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c b/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
index d36693c..16cf145 100644
--- a/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
+++ b/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
@@ -1,6 +1,8 @@
 /*
  *  AT91RM9200 clock specific using the System Timer
- *
+ */
+
+/*
  *  Copyright (c) 2003 by Cogent Computer Systems
  *  Written by Mike Kelly <mike at cogcomp.com>
  *         and Jay Monkman <jtm at lopingdog.com>
@@ -76,7 +78,7 @@ rtems_irq_connect_data clock_isr_data = {
   } while(0)
 
 uint16_t st_pimr_value;
-void Clock_driver_support_initialize_hardware(void)
+static void Clock_driver_support_initialize_hardware(void)
 {
   uint32_t st_str;
   int slck;
@@ -89,6 +91,7 @@ void Clock_driver_support_initialize_hardware(void)
 
   /* read the status to clear the int */
   st_str = ST_REG(ST_SR);
+  (void) st_str; /* avoid set but not used warning */ \
 
   /* set priority */
   AIC_SMR_REG(AIC_SMR_SYSIRQ) = AIC_SMR_PRIOR(0x7);
@@ -97,7 +100,7 @@ void Clock_driver_support_initialize_hardware(void)
   ST_REG(ST_PIMR) = st_pimr_reload;
 }
 
-uint32_t bsp_clock_nanoseconds_since_last_tick(void)
+static uint32_t bsp_clock_nanoseconds_since_last_tick(void)
 {
   uint16_t slck_counts;
 
@@ -115,9 +118,10 @@ uint32_t bsp_clock_nanoseconds_since_last_tick(void)
     \
     /* read the status to clear the int */ \
     st_str = ST_REG(ST_SR); \
+    (void) st_str; /* avoid set but not used warning */ \
   } while (0)
 
-void Clock_driver_support_shutdown_hardware( void )
+static void Clock_driver_support_shutdown_hardware( void )
 {
   BSP_remove_rtems_irq_handler(&clock_isr_data);
 }