diff options
Diffstat (limited to 'arch/blackfin/kernel/time-ts.c')
-rw-r--r-- | arch/blackfin/kernel/time-ts.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index 8c9a43daf80f..cdb4beb6bc8f 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c | |||
@@ -206,8 +206,14 @@ irqreturn_t bfin_gptmr0_interrupt(int irq, void *dev_id) | |||
206 | { | 206 | { |
207 | struct clock_event_device *evt = dev_id; | 207 | struct clock_event_device *evt = dev_id; |
208 | smp_mb(); | 208 | smp_mb(); |
209 | evt->event_handler(evt); | 209 | /* |
210 | * We want to ACK before we handle so that we can handle smaller timer | ||
211 | * intervals. This way if the timer expires again while we're handling | ||
212 | * things, we're more likely to see that 2nd int rather than swallowing | ||
213 | * it by ACKing the int at the end of this handler. | ||
214 | */ | ||
210 | bfin_gptmr0_ack(); | 215 | bfin_gptmr0_ack(); |
216 | evt->event_handler(evt); | ||
211 | return IRQ_HANDLED; | 217 | return IRQ_HANDLED; |
212 | } | 218 | } |
213 | 219 | ||