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[SCSI] ipr: ipr_test_msi() fails when running with msi-x enabled adapter 

Loading ipr modules failed(-22) with msi-x enabled adapter. In ipr_test_msi(),
We need to pass the first vector of msix vectors instead of using pdev->irq
to request_irq() when adapter enables msix feature.

Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
wenxiong@linux.vnet.ibm.com 2013-02-27 12:37:45 -06:00 committed by James Bottomley
parent fe69690942
commit f19799f49d
1 changed files with 8 additions and 2 deletions
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10
drivers/scsi/ipr.c
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@ -9349,7 +9349,10 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev)
int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
if (ioa_cfg->intr_flag == IPR_USE_MSIX)
rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
else
rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg);
if (rc) {
dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq);
return rc;
@ -9371,7 +9374,10 @@ static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev)
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
free_irq(pdev->irq, ioa_cfg);
if (ioa_cfg->intr_flag == IPR_USE_MSIX)
free_irq(ioa_cfg->vectors_info[0].vec, ioa_cfg);
else
free_irq(pdev->irq, ioa_cfg);
LEAVE;