diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2007-05-07 16:43:02 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-08 18:21:45 +0200 |
| commit | cbedb601868821c9bfdcf1e9194be160deceeecb (patch) | |
| tree | 3a5d3f663dcdc8013633e1a20f830e3b28d69a5f /drivers/scsi/qla2xxx | |
| parent | [SCSI] qla2xxx: Correct pci_set_msi() usage semantics. (diff) | |
| download | linux-cbedb601868821c9bfdcf1e9194be160deceeecb.tar.xz linux-cbedb601868821c9bfdcf1e9194be160deceeecb.zip | |
[SCSI] qla2xxx: Add MSI support.
Supported ISP types include ISP2422 and revision-2 type
ISP2432 chips.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index d4885616cd39..ca463469063d 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1726,6 +1726,17 @@ qla2x00_request_irqs(scsi_qla_host_t *ha) qla_printk(KERN_WARNING, ha, "MSI-X: Falling back-to INTa mode -- %d.\n", ret); skip_msix: + + if (!IS_QLA24XX(ha)) + goto skip_msi; + + ret = pci_enable_msi(ha->pdev); + if (!ret) { + DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); + ha->flags.msi_enabled = 1; + } +skip_msi: + ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler, IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); if (!ret) { @@ -1746,6 +1757,8 @@ qla2x00_free_irqs(scsi_qla_host_t *ha) if (ha->flags.msix_enabled) qla24xx_disable_msix(ha); - else if (ha->flags.inta_enabled) + else if (ha->flags.inta_enabled) { free_irq(ha->host->irq, ha); + pci_disable_msi(ha->pdev); + } } |