3 files changed, 18 insertions, 2 deletions

diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index ce1ab0571be3..0792d930c481 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -531,7 +531,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
 {
         struct ehca_eq *eq = &shca->eq;
         struct ehca_eqe_cache_entry *eqe_cache = eq->eqe_cache;
-        u64 eqe_value;
+        u64 eqe_value, ret;
         unsigned long flags;
         int eqe_cnt, i;
         int eq_empty = 0;
@@ -583,8 +583,13 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
                         ehca_dbg(&shca->ib_device,
                                  "No eqe found for irq event");
                 goto unlock_irq_spinlock;
-        } else if (!is_irq)
+        } else if (!is_irq) {
+                ret = hipz_h_eoi(eq->ist);
+                if (ret != H_SUCCESS)
+                        ehca_err(&shca->ib_device,
+                                 "bad return code EOI -rc = %ld\n", ret);
                 ehca_dbg(&shca->ib_device, "deadman found %x eqe", eqe_cnt);
+        }
         if (unlikely(eqe_cnt == EHCA_EQE_CACHE_SIZE))
                 ehca_dbg(&shca->ib_device, "too many eqes for one irq event");
         /* enable irq for new packets */
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index 5245e13c3a30..415d3a465de6 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -933,3 +933,13 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
                                        r_cb,
                                        0, 0, 0, 0);
 }
+
+u64 hipz_h_eoi(int irq)
+{
+        unsigned long xirr;
+
+        iosync();
+        xirr = (0xffULL << 24) | irq;
+
+        return plpar_hcall_norets(H_EOI, xirr);
+}
diff --git a/drivers/infiniband/hw/ehca/hcp_if.h b/drivers/infiniband/hw/ehca/hcp_if.h
index 60ce02b70663..2c3c6e0ea5c2 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.h
+++ b/drivers/infiniband/hw/ehca/hcp_if.h
@@ -260,5 +260,6 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
                       const u64 ressource_handle,
                       void *rblock,
                       unsigned long *byte_count);
+u64 hipz_h_eoi(int irq);
 
 #endif /* __HCP_IF_H__ */