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scsi: qla2xxx: Fix process response queue for ISP26XX and above

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commit b86ac8fd4b upstream.

This patch improves performance for 16G and above adapter by removing
additional call to process_response_queue().

[mkp: typo]

Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Quinn Tran
2018-08-31 11:24:26 -07:00
committed by Greg Kroah-Hartman
parent c60d5af75b
commit 89fdc7f864
2 changed files with 0 additions and 19 deletions
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2
drivers/scsi/qla2xxx/qla_init.c
View File

@@ -7591,7 +7591,6 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
}
icb->firmware_options_2 &= cpu_to_le32(
~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
vha->flags.process_response_queue = 0;
if (ha->zio_mode != QLA_ZIO_DISABLED) {
ha->zio_mode = QLA_ZIO_MODE_6;
@@ -7603,7 +7602,6 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
icb->firmware_options_2 |= cpu_to_le32(
(uint32_t)ha->zio_mode);
icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
vha->flags.process_response_queue = 1;
}
/* enable RIDA Format2 */

17
drivers/scsi/qla2xxx/qla_iocb.c
View File

@@ -1524,12 +1524,6 @@ qla24xx_start_scsi(srb_t *sp)
/* Set chip new ring index. */
WRT_REG_DWORD(req->req_q_in, req->ring_index);
RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
rsp->ring_ptr->signature != RESPONSE_PROCESSED)
qla24xx_process_response_queue(vha, rsp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_SUCCESS;
@@ -1723,12 +1717,6 @@ qla24xx_dif_start_scsi(srb_t *sp)
/* Set chip new ring index. */
WRT_REG_DWORD(req->req_q_in, req->ring_index);
RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
rsp->ring_ptr->signature != RESPONSE_PROCESSED)
qla24xx_process_response_queue(vha, rsp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -1878,11 +1866,6 @@ qla2xxx_start_scsi_mq(srb_t *sp)
/* Set chip new ring index. */
WRT_REG_DWORD(req->req_q_in, req->ring_index);
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
rsp->ring_ptr->signature != RESPONSE_PROCESSED)
qla24xx_process_response_queue(vha, rsp);
spin_unlock_irqrestore(&qpair->qp_lock, flags);
return QLA_SUCCESS;