5 files changed, 27 insertions, 49 deletions

diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 98ab921070d2..0a5c8951cebb 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -278,3 +278,14 @@ qla2x00_do_host_ramp_up(scsi_qla_host_t *vha)
 
         set_bit(HOST_RAMP_UP_QUEUE_DEPTH, &vha->dpc_flags);
 }
+
+static inline void
+qla2x00_handle_mbx_completion(struct qla_hw_data *ha, int status)
+{
+        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+                clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
+                complete(&ha->mbx_intr_comp);
+        }
+}
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 259d9205d876..d2a4c75e5b8f 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -104,14 +104,9 @@ qla2100_intr_handler(int irq, void *dev_id)
                         RD_REG_WORD(&reg->hccr);
                 }
         }
+        qla2x00_handle_mbx_completion(ha, status);
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                complete(&ha->mbx_intr_comp);
-        }
-
         return (IRQ_HANDLED);
 }
 
@@ -221,14 +216,9 @@ qla2300_intr_handler(int irq, void *dev_id)
                 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
                 RD_REG_WORD_RELAXED(&reg->hccr);
         }
+        qla2x00_handle_mbx_completion(ha, status);
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                complete(&ha->mbx_intr_comp);
-        }
-
         return (IRQ_HANDLED);
 }
 
@@ -2613,14 +2603,9 @@ qla24xx_intr_handler(int irq, void *dev_id)
                 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
                         ndelay(3500);
         }
+        qla2x00_handle_mbx_completion(ha, status);
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                complete(&ha->mbx_intr_comp);
-        }
-
         return IRQ_HANDLED;
 }
 
@@ -2763,13 +2748,9 @@ qla24xx_msix_default(int irq, void *dev_id)
                 }
                 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
         } while (0);
+        qla2x00_handle_mbx_completion(ha, status);
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                complete(&ha->mbx_intr_comp);
-        }
         return IRQ_HANDLED;
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 9e5d89db7272..3587ec267fa6 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -179,8 +179,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 
                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
 
-                clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
-
         } else {
                 ql_dbg(ql_dbg_mbx, vha, 0x1011,
                     "Cmd=%x Polling Mode.\n", command);
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 937fed8cb038..a6df55838365 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -148,9 +148,6 @@ qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
-
-                clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
-
         } else {
                 ql_dbg(ql_dbg_mbx, vha, 0x112c,
                     "Cmd=%x Polling Mode.\n", command);
@@ -2934,13 +2931,10 @@ qlafx00_intr_handler(int irq, void *dev_id)
                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
                 QLAFX00_RD_INTR_REG(ha);
         }
+
+        qla2x00_handle_mbx_completion(ha, status);
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                complete(&ha->mbx_intr_comp);
-        }
         return IRQ_HANDLED;
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 10754f518303..cce0cd0d7ec4 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -2074,9 +2074,6 @@ qla82xx_intr_handler(int irq, void *dev_id)
                 }
                 WRT_REG_DWORD(&reg->host_int, 0);
         }
-        spin_unlock_irqrestore(&ha->hardware_lock, flags);
-        if (!ha->flags.msi_enabled)
-                qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
 
 #ifdef QL_DEBUG_LEVEL_17
         if (!irq && ha->flags.eeh_busy)
@@ -2085,11 +2082,12 @@ qla82xx_intr_handler(int irq, void *dev_id)
                     status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
 #endif
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-            (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                complete(&ha->mbx_intr_comp);
-        }
+        qla2x00_handle_mbx_completion(ha, status);
+        spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+        if (!ha->flags.msi_enabled)
+                qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+
         return IRQ_HANDLED;
 }
 
@@ -2149,8 +2147,6 @@ qla82xx_msix_default(int irq, void *dev_id)
                 WRT_REG_DWORD(&reg->host_int, 0);
         } while (0);
 
-        spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
 #ifdef QL_DEBUG_LEVEL_17
         if (!irq && ha->flags.eeh_busy)
                 ql_log(ql_log_warn, vha, 0x5044,
@@ -2158,11 +2154,9 @@ qla82xx_msix_default(int irq, void *dev_id)
                     status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
 #endif
 
-        if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
-                (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-                        set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
-                        complete(&ha->mbx_intr_comp);
-        }
+        qla2x00_handle_mbx_completion(ha, status);
+        spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
         return IRQ_HANDLED;
 }
 
@@ -3345,7 +3339,7 @@ void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
                 ha->flags.mbox_busy = 0;
                 ql_log(ql_log_warn, vha, 0x6010,
                     "Doing premature completion of mbx command.\n");
-                if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
+                if (test_and_clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
                         complete(&ha->mbx_intr_comp);
         }
 }