Commit cbedb601 authored by Andrew Vasquez's avatar Andrew Vasquez Committed by James Bottomley

[SCSI] qla2xxx: Add MSI support.

Supported ISP types include ISP2422 and revision-2 type
ISP2432 chips.
Signed-off-by: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent a157b101
...@@ -1726,6 +1726,17 @@ qla2x00_request_irqs(scsi_qla_host_t *ha) ...@@ -1726,6 +1726,17 @@ qla2x00_request_irqs(scsi_qla_host_t *ha)
qla_printk(KERN_WARNING, ha, qla_printk(KERN_WARNING, ha,
"MSI-X: Falling back-to INTa mode -- %d.\n", ret); "MSI-X: Falling back-to INTa mode -- %d.\n", ret);
skip_msix: 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, ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler,
IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
if (!ret) { if (!ret) {
...@@ -1746,6 +1757,8 @@ qla2x00_free_irqs(scsi_qla_host_t *ha) ...@@ -1746,6 +1757,8 @@ qla2x00_free_irqs(scsi_qla_host_t *ha)
if (ha->flags.msix_enabled) if (ha->flags.msix_enabled)
qla24xx_disable_msix(ha); qla24xx_disable_msix(ha);
else if (ha->flags.inta_enabled) else if (ha->flags.inta_enabled) {
free_irq(ha->host->irq, ha); free_irq(ha->host->irq, ha);
pci_disable_msi(ha->pdev);
}
} }
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