- start = be32_to_cpu(p->sample_start);
- if (start != 0) {
- spin_lock_irqsave(&dev->pending_lock, flags);
- if (dev->pma_sample_status == IB_PMA_SAMPLE_STATUS_DONE) {
- dev->pma_sample_status =
- IB_PMA_SAMPLE_STATUS_STARTED;
- dev->pma_sample_start = start;
- dev->pma_sample_interval =
- be32_to_cpu(p->sample_interval);
- dev->pma_tag = be16_to_cpu(p->tag);
- if (p->counter_select[0])
- dev->pma_counter_select[0] =
- p->counter_select[0];
- if (p->counter_select[1])
- dev->pma_counter_select[1] =
- p->counter_select[1];
- if (p->counter_select[2])
- dev->pma_counter_select[2] =
- p->counter_select[2];
- if (p->counter_select[3])
- dev->pma_counter_select[3] =
- p->counter_select[3];
- if (p->counter_select[4])
- dev->pma_counter_select[4] =
- p->counter_select[4];
- }
- spin_unlock_irqrestore(&dev->pending_lock, flags);
+ spin_lock_irqsave(&dev->pending_lock, flags);
+ if (crp->cr_psstat)
+ status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+ else
+ status = dev->pma_sample_status;
+ if (status == IB_PMA_SAMPLE_STATUS_DONE) {
+ dev->pma_sample_start = be32_to_cpu(p->sample_start);
+ dev->pma_sample_interval = be32_to_cpu(p->sample_interval);
+ dev->pma_tag = be16_to_cpu(p->tag);
+ dev->pma_counter_select[0] = p->counter_select[0];
+ dev->pma_counter_select[1] = p->counter_select[1];
+ dev->pma_counter_select[2] = p->counter_select[2];
+ dev->pma_counter_select[3] = p->counter_select[3];
+ dev->pma_counter_select[4] = p->counter_select[4];
+ if (crp->cr_psstat) {
+ ipath_write_creg(dev->dd, crp->cr_psinterval,
+ dev->pma_sample_interval);
+ ipath_write_creg(dev->dd, crp->cr_psstart,
+ dev->pma_sample_start);
+ } else
+ dev->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED;