aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/isci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/isci')
-rw-r--r--drivers/scsi/isci/host.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index d4daa0f24595..ab026a50ace3 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -1122,10 +1122,16 @@ void isci_host_completion_routine(unsigned long data)
sci_controller_completion_handler(ihost);
spin_unlock_irq(&ihost->scic_lock);
- /* the coalesence timeout doubles at each encoding step, so
+ /*
+ * we subtract SCI_MAX_PORTS to account for the number of dummy TCs
+ * issued for hardware issue workaround
+ */
+ active = isci_tci_active(ihost) - SCI_MAX_PORTS;
+
+ /*
+ * the coalesence timeout doubles at each encoding step, so
* update it based on the ilog2 value of the outstanding requests
*/
- active = isci_tci_active(ihost);
writel(SMU_ICC_GEN_VAL(NUMBER, active) |
SMU_ICC_GEN_VAL(TIMER, ISCI_COALESCE_BASE + ilog2(active)),
&ihost->smu_registers->interrupt_coalesce_control);