From d100f25956e8626afeafbb38558ca8c58df1cb6b Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Fri, 1 Dec 2006 10:15:04 +0100 Subject: [ARM] 3955/1: AT91: Clear timer interrupt when resuming Attached is a patch for at91rm9200_time.c which removes the 'BUG: soft lockup detected on CPU#0!' message when exiting suspended states. Patch from Savin Zlobec Signed-off-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mach-at91rm9200/at91rm9200_time.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm/mach-at91rm9200') diff --git a/arch/arm/mach-at91rm9200/at91rm9200_time.c b/arch/arm/mach-at91rm9200/at91rm9200_time.c index 8e9c049c8b7..b999e192a7e 100644 --- a/arch/arm/mach-at91rm9200/at91rm9200_time.c +++ b/arch/arm/mach-at91rm9200/at91rm9200_time.c @@ -101,6 +101,9 @@ void at91rm9200_timer_reset(void) /* Set Period Interval timer */ at91_sys_write(AT91_ST_PIMR, LATCH); + /* Clear any pending interrupts */ + (void) at91_sys_read(AT91_ST_SR); + /* Enable Period Interval Timer interrupt */ at91_sys_write(AT91_ST_IER, AT91_ST_PITS); } -- cgit v1.2.3