[SCSI] qla4xxx: do not process interrupt unconditionally

in mailbox command do not process interrupt unconditionally,
process interrupt only in polling mode

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 1 insertions, 17 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 8961d4c03e3b..b7e43b1d2a70 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -81,23 +81,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
          */
         spin_lock_irqsave(&ha->hardware_lock, flags);
 
-        if (is_qla8022(ha)) {
-                intr_status = readl(&ha->qla4_8xxx_reg->host_int);
-                if (intr_status & ISRX_82XX_RISC_INT) {
-                        /* Service existing interrupt */
-                        DEBUG2(printk("scsi%ld: %s: "
-                            "servicing existing interrupt\n",
-                            ha->host_no, __func__));
-                        intr_status = readl(&ha->qla4_8xxx_reg->host_status);
-                        ha->isp_ops->interrupt_service_routine(ha, intr_status);
-                        clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
-                        if (test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
-                            test_bit(AF_INTx_ENABLED, &ha->flags))
-                                qla4_8xxx_wr_32(ha,
-                                    ha->nx_legacy_intr.tgt_mask_reg,
-                                    0xfbff);
-                }
-        } else {
+        if (!is_qla8022(ha)) {
                 intr_status = readl(&ha->reg->ctrl_status);
                 if (intr_status & CSR_SCSI_PROCESSOR_INTR) {
                         /* Service existing interrupt */