diff options
| author | wenxiong@linux.vnet.ibm.com <wenxiong@linux.vnet.ibm.com> | 2013-02-27 12:37:45 -0600 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-04-06 10:30:40 +0100 |
| commit | f19799f49d1a03f39d5e53fa1bf05db4820c86c2 (patch) | |
| tree | 282e97d99fbd1a8760222f54305a29027ed1bc59 /drivers/scsi/ipr.c | |
| parent | fe6969094214350e586d56fbfa3ef97cdd74b270 (diff) | |
| download | lwn-f19799f49d1a03f39d5e53fa1bf05db4820c86c2.tar.gz lwn-f19799f49d1a03f39d5e53fa1bf05db4820c86c2.zip | |
[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>
Diffstat (limited to 'drivers/scsi/ipr.c')
| -rw-r--r-- | drivers/scsi/ipr.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index f328089a1060..fadf1528db3d 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -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; |