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[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>
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parent
a157b1014f
commit
cbedb60186
1 changed files with 14 additions and 1 deletions
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@ -1726,6 +1726,17 @@ qla2x00_request_irqs(scsi_qla_host_t *ha)
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qla_printk(KERN_WARNING, ha,
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"MSI-X: Falling back-to INTa mode -- %d.\n", ret);
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skip_msix:
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if (!IS_QLA24XX(ha))
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goto skip_msi;
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ret = pci_enable_msi(ha->pdev);
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if (!ret) {
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DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
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ha->flags.msi_enabled = 1;
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}
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skip_msi:
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ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler,
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IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
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if (!ret) {
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@ -1746,6 +1757,8 @@ qla2x00_free_irqs(scsi_qla_host_t *ha)
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if (ha->flags.msix_enabled)
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qla24xx_disable_msix(ha);
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else if (ha->flags.inta_enabled)
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else if (ha->flags.inta_enabled) {
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free_irq(ha->host->irq, ha);
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pci_disable_msi(ha->pdev);
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}
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}
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