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author | Jiri Kosina <jkosina@suse.cz> | 2011-05-18 19:06:31 +0400 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2011-05-18 19:06:49 +0400 |
commit | 6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a (patch) | |
tree | f2f77cc31b4548745778fca6a51b09e1d8a49804 /arch/blackfin/kernel/time-ts.c | |
parent | b50f315cbb865079a16a12fd9ae6083f98fd592c (diff) | |
parent | c1d10d18c542278b7fbc413c289d3cb6219da6b3 (diff) | |
download | linux-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.tar.xz |
Merge branch 'master' into upstream.
This is sync with Linus' tree to receive KEY_IMAGES definition
that went in through input tree.
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) { struct clock_event_device *evt = dev_id; smp_mb(); - evt->event_handler(evt); + /* + * We want to ACK before we handle so that we can handle smaller timer + * intervals. This way if the timer expires again while we're handling + * things, we're more likely to see that 2nd int rather than swallowing + * it by ACKing the int at the end of this handler. + */ bfin_gptmr0_ack(); + evt->event_handler(evt); return IRQ_HANDLED; } |