diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2009-03-24 09:07:55 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-04-03 09:22:44 -0500 |
| commit | 08029990b25b76b1bc167336358bd21812567f2a (patch) | |
| tree | 87cb617366a61bd643818996cc6186e817e23b63 /drivers/scsi/qla2xxx/qla_iocb.c | |
| parent | 534841b3c110b0f149513c7695751879951d3f22 (diff) | |
| download | kernel_samsung_smdk4412-08029990b25b76b1bc167336358bd21812567f2a.zip kernel_samsung_smdk4412-08029990b25b76b1bc167336358bd21812567f2a.tar.gz kernel_samsung_smdk4412-08029990b25b76b1bc167336358bd21812567f2a.tar.bz2 | |
[SCSI] qla2xxx: Refactor request/response-queue register handling.
Original code used an overabundance of indirect pointers to
function helpers. Instead, the driver can exploit the immutable
properties of a queue's ISP-association and ID, which are both
known at queue initialization-time.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 37 |
1 files changed, 3 insertions, 34 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 2258152..a8abbb9 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -776,7 +776,7 @@ qla24xx_start_scsi(srb_t *sp) req_cnt = qla24xx_calc_iocbs(tot_dsds); if (req->cnt < (req_cnt + 2)) { - cnt = ha->isp_ops->rd_req_reg(ha, req->id); + cnt = RD_REG_DWORD_RELAXED(req->req_q_out); if (req->ring_index < cnt) req->cnt = cnt - req->ring_index; @@ -836,7 +836,8 @@ qla24xx_start_scsi(srb_t *sp) sp->flags |= SRB_DMA_VALID; /* Set chip new ring index. */ - ha->isp_ops->wrt_req_reg(ha, req->id, req->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 && @@ -854,35 +855,3 @@ queuing_error: return QLA_FUNCTION_FAILED; } - -uint16_t -qla24xx_rd_req_reg(struct qla_hw_data *ha, uint16_t id) -{ - device_reg_t __iomem *reg = (void *) ha->iobase; - return RD_REG_DWORD_RELAXED(®->isp24.req_q_out); -} - -uint16_t -qla25xx_rd_req_reg(struct qla_hw_data *ha, uint16_t id) -{ - device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id; - return RD_REG_DWORD_RELAXED(®->isp25mq.req_q_out); -} - -void -qla24xx_wrt_req_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) -{ - device_reg_t __iomem *reg = (void *) ha->iobase; - WRT_REG_DWORD(®->isp24.req_q_in, index); - RD_REG_DWORD_RELAXED(®->isp24.req_q_in); -} - -void -qla25xx_wrt_req_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) -{ - device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id; - struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; - WRT_REG_DWORD(®->isp25mq.req_q_in, index); - RD_REG_DWORD(&ioreg->hccr); /* PCI posting */ -} - |