diff options
Diffstat (limited to 'arch/x86/kernel/mfgpt_32.c')
| -rw-r--r-- | arch/x86/kernel/mfgpt_32.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c index 81aa9db01f5f..eeb461f391a0 100644 --- a/arch/x86/kernel/mfgpt_32.c +++ b/arch/x86/kernel/mfgpt_32.c @@ -293,10 +293,14 @@ static int mfgpt_next_event(unsigned long delta, struct clock_event_device *evt) return 0; } -/* Assume (foolishly?), that this interrupt was due to our tick */ - static irqreturn_t mfgpt_tick(int irq, void *dev_id) { + u16 val = geode_mfgpt_read(mfgpt_event_clock, MFGPT_REG_SETUP); + + /* See if the interrupt was for us */ + if (!(val & (MFGPT_SETUP_SETUP | MFGPT_SETUP_CMP2 | MFGPT_SETUP_CMP1))) + return IRQ_NONE; + /* Turn off the clock (and clear the event) */ mfgpt_disable_timer(mfgpt_event_clock); |