diff --git a/arch/powerpc/sysdev/mpic_timer.c b/arch/powerpc/sysdev/mpic_timer.c index 22d7d57eead9..70dcf9c5b8fb 100644 --- a/arch/powerpc/sysdev/mpic_timer.c +++ b/arch/powerpc/sysdev/mpic_timer.c @@ -41,6 +41,7 @@ #define MPIC_TIMER_TCR_ROVR_OFFSET 24 #define TIMER_STOP 0x80000000 +#define GTCCR_TOG 0x80000000 #define TIMERS_PER_GROUP 4 #define MAX_TICKS (~0U >> 1) #define MAX_TICKS_CASCADE (~0U) @@ -327,11 +328,13 @@ void mpic_get_remain_time(struct mpic_timer *handle, struct timeval *time) casc_priv = priv->timer[handle->num].cascade_handle; if (casc_priv) { tmp_ticks = in_be32(&priv->regs[handle->num].gtccr); + tmp_ticks &= ~GTCCR_TOG; ticks = ((u64)tmp_ticks & UINT_MAX) * (u64)MAX_TICKS_CASCADE; tmp_ticks = in_be32(&priv->regs[handle->num - 1].gtccr); ticks += tmp_ticks; } else { ticks = in_be32(&priv->regs[handle->num].gtccr); + ticks &= ~GTCCR_TOG; } convert_ticks_to_time(priv, ticks, time);