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-rw-r--r--arch/blackfin/kernel/time-ts.c8
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