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ARM: at91/ST: remove not needed casts

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Remove the unnecessary (void) cast on at91_st_read()
return value.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
This commit is contained in:
Nicolas Ferre 2012-02-20 11:13:13 +01:00
parent 5e9cf5e18d
commit 9e1c0b2ee8
1 changed files with 3 additions and 3 deletions
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6
arch/arm/mach-at91/at91rm9200_time.c
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@ -111,7 +111,7 @@ clkevt32k_mode(enum clock_event_mode mode, struct clock_event_device *dev)
{ {
/* Disable and flush pending timer interrupts */ /* Disable and flush pending timer interrupts */
at91_st_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_ALMS); at91_st_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_ALMS);
(void) at91_st_read(AT91_ST_SR); at91_st_read(AT91_ST_SR);
last_crtr = read_CRTR(); last_crtr = read_CRTR();
switch (mode) { switch (mode) {
@ -157,7 +157,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
/* Cancel any pending alarm; flush any pending IRQ */ /* Cancel any pending alarm; flush any pending IRQ */
at91_st_write(AT91_ST_RTAR, alm); at91_st_write(AT91_ST_RTAR, alm);
(void) at91_st_read(AT91_ST_SR); at91_st_read(AT91_ST_SR);
/* Schedule alarm by writing RTAR. */ /* Schedule alarm by writing RTAR. */
alm += delta; alm += delta;
@ -192,7 +192,7 @@ void __init at91rm9200_timer_init(void)
/* Disable all timer interrupts, and clear any pending ones */ /* Disable all timer interrupts, and clear any pending ones */
at91_st_write(AT91_ST_IDR, at91_st_write(AT91_ST_IDR,
AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS); AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS);
(void) at91_st_read(AT91_ST_SR); at91_st_read(AT91_ST_SR);
/* Make IRQs happen for the system timer */ /* Make IRQs happen for the system timer */
setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq); setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq);