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