IB/ipath: Fix bug that can leave sends disabled after freeze recovery
The semantics of cancel_sends changed, but the code using it was missed.
Don't leave sends and pioavail updates disabled, and add a comment as to
why the force update is needed.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 1b58f47..45c4c06 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -933,11 +933,15 @@
* therefore would not be sent, and eventually
* might cause the process to run out of bufs
*/
- ipath_cancel_sends(dd, 0);
+ ipath_cancel_sends(dd, 1);
ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
dd->ipath_control);
- /* ensure pio avail updates continue */
+ /*
+ * ensure pio avail updates continue (because the update
+ * won't have happened from cancel_sends because we were
+ * still in freeze
+ */
ipath_force_pio_avail_update(dd);
/*