AcoSail/kernel_optimize_test
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[SCSI] qla2xxx: Add MSI support.

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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>
This commit is contained in:
Andrew Vasquez 2007-05-07 07:43:02 -07:00 committed by James Bottomley
parent a157b1014f
commit cbedb60186
1 changed files with 14 additions and 1 deletions
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15
drivers/scsi/qla2xxx/qla_isr.c
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@ -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);
}
}