diff options
Diffstat (limited to 'drivers/input/touchscreen/syntm12xx.c')
| -rw-r--r-- | drivers/input/touchscreen/syntm12xx.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/input/touchscreen/syntm12xx.c b/drivers/input/touchscreen/syntm12xx.c index b6d0bc168ade..65baebe6d58b 100644 --- a/drivers/input/touchscreen/syntm12xx.c +++ b/drivers/input/touchscreen/syntm12xx.c @@ -1001,8 +1001,10 @@ static void syn_isr_work(struct work_struct *work) mutex_lock(&sd->lock); - if (sd->f_measure) - sd->ts_work = cpu_clock(smp_processor_id()); + if (sd->f_measure) { + sd->ts_work = cpu_clock(get_cpu()); + put_cpu(); + } if (sd->func_descs_valid == 0) { if (sd->failed_inits < MAX_FAILED_INITS) { @@ -1029,7 +1031,8 @@ static void syn_isr_work(struct work_struct *work) out: if (sd->f_measure) { - sd->ts_done = cpu_clock(smp_processor_id()); + sd->ts_done = cpu_clock(get_cpu()); + put_cpu(); syn_recalculate_latency_data(sd); sd->f_measure = 0; } @@ -1046,7 +1049,8 @@ static irqreturn_t syn_isr(int irq, void *data) r = queue_work(sd->wq, &sd->isr_work); if (r) { if (sd->f_measure == 0) { - sd->ts_intr = cpu_clock(smp_processor_id()); + sd->ts_intr = cpu_clock(get_cpu()); + put_cpu(); sd->f_measure = 1; } disable_irq_nosync(gpio_to_irq(sd->gpio_intr)); |