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

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This commit is contained in:
Joel Sherrill
2014-10-12 15:37:32 -05:00
parent 65f71f8472
commit b6b0c80c69
1 changed files with 8 additions and 4 deletions
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12
c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
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@@ -1,6 +1,8 @@
/* /*
* AT91RM9200 clock specific using the System Timer * AT91RM9200 clock specific using the System Timer
* */
/*
* Copyright (c) 2003 by Cogent Computer Systems * Copyright (c) 2003 by Cogent Computer Systems
* Written by Mike Kelly <mike@cogcomp.com> * Written by Mike Kelly <mike@cogcomp.com>
* and Jay Monkman <jtm@lopingdog.com> * and Jay Monkman <jtm@lopingdog.com>
@@ -76,7 +78,7 @@ rtems_irq_connect_data clock_isr_data = {
} while(0) } while(0)
uint16_t st_pimr_value; uint16_t st_pimr_value;
void Clock_driver_support_initialize_hardware(void) static void Clock_driver_support_initialize_hardware(void)
{ {
uint32_t st_str; uint32_t st_str;
int slck; int slck;
@@ -89,6 +91,7 @@ void Clock_driver_support_initialize_hardware(void)
/* read the status to clear the int */ /* read the status to clear the int */
st_str = ST_REG(ST_SR); st_str = ST_REG(ST_SR);
(void) st_str; /* avoid set but not used warning */ \
/* set priority */ /* set priority */
AIC_SMR_REG(AIC_SMR_SYSIRQ) = AIC_SMR_PRIOR(0x7); 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; 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; uint16_t slck_counts;
@@ -115,9 +118,10 @@ uint32_t bsp_clock_nanoseconds_since_last_tick(void)
\ \
/* read the status to clear the int */ \ /* read the status to clear the int */ \
st_str = ST_REG(ST_SR); \ st_str = ST_REG(ST_SR); \
(void) st_str; /* avoid set but not used warning */ \
} while (0) } 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); BSP_remove_rtems_irq_handler(&clock_isr_data);
} }