diff options
| -rw-r--r-- | drivers/scsi/ipr.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 0b2ef0779b43..26550bb820e7 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -738,7 +738,6 @@ struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, u32 clr_ints) { - volatile u32 int_reg; int i; /* Stop new interrupts */ @@ -758,7 +757,7 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, if (ioa_cfg->sis64) writel(~0, ioa_cfg->regs.clr_interrupt_reg); writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); - int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); + readl(ioa_cfg->regs.sense_interrupt_reg); } /** @@ -5510,7 +5509,7 @@ static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) struct ipr_ioa_cfg *ioa_cfg; struct ipr_resource_entry *res; struct ipr_cmd_pkt *cmd_pkt; - u32 ioasc, int_reg; + u32 ioasc; int i, op_found = 0; struct ipr_hrr_queue *hrrq; @@ -5533,7 +5532,7 @@ static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) * by a still not detected EEH error. In such cases, reading a register will * trigger the EEH recovery infrastructure. */ - int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); + readl(ioa_cfg->regs.sense_interrupt_reg); if (!ipr_is_gscsi(res)) return FAILED; @@ -5780,7 +5779,6 @@ static int ipr_process_hrrq(struct ipr_hrr_queue *hrr_queue, int budget, static int ipr_iopoll(struct irq_poll *iop, int budget) { - struct ipr_ioa_cfg *ioa_cfg; struct ipr_hrr_queue *hrrq; struct ipr_cmnd *ipr_cmd, *temp; unsigned long hrrq_flags; @@ -5788,7 +5786,6 @@ static int ipr_iopoll(struct irq_poll *iop, int budget) LIST_HEAD(doneq); hrrq = container_of(iop, struct ipr_hrr_queue, iopoll); - ioa_cfg = hrrq->ioa_cfg; spin_lock_irqsave(hrrq->lock, hrrq_flags); completed_ops = ipr_process_hrrq(hrrq, budget, &doneq); @@ -8680,7 +8677,6 @@ static int ipr_dump_mailbox_wait(struct ipr_cmnd *ipr_cmd) static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; - u32 int_reg; ENTER; ioa_cfg->pdev->state_saved = true; @@ -8696,7 +8692,7 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) if (ioa_cfg->sis64) { /* Set the adapter to the correct endian mode. */ writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); - int_reg = readl(ioa_cfg->regs.endian_swap_reg); + readl(ioa_cfg->regs.endian_swap_reg); } if (ioa_cfg->ioa_unit_checked) { @@ -10119,7 +10115,6 @@ static irqreturn_t ipr_test_intr(int irq, void *devp) static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) { int rc; - volatile u32 int_reg; unsigned long lock_flags = 0; int irq = pci_irq_vector(pdev, 0); @@ -10130,7 +10125,7 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) ioa_cfg->msi_received = 0; ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); - int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); + readl(ioa_cfg->regs.sense_interrupt_mask_reg); spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); rc = request_irq(irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); @@ -10141,7 +10136,7 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) dev_info(&pdev->dev, "IRQ assigned: %d\n", irq); writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); - int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); + readl(ioa_cfg->regs.sense_interrupt_reg); wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |