From cbedb601868821c9bfdcf1e9194be160deceeecb Mon Sep 17 00:00:00 2001 From: Andrew Vasquez Date: Mon, 7 May 2007 07:43:02 -0700 Subject: [PATCH] [SCSI] qla2xxx: Add MSI support. Supported ISP types include ISP2422 and revision-2 type ISP2432 chips. Signed-off-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_isr.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) 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); + } } -- 2.20.1