From 5a9ef25b14d39b8413364df12cb8d9bb7a673a32 Mon Sep 17 00:00:00 2001 From: Wayne Boyer Date: Fri, 23 Jan 2009 09:17:35 -0800 Subject: [SCSI] ipr: add MSI support Enable MSI if available/supported. Signed-off-by: Wayne Boyer Acked-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 7 +++++++ drivers/scsi/ipr.h | 4 ++-- 2 files changed, 9 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 07829009a8be..3f47cd1c46e7 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -7147,6 +7147,7 @@ static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) ENTER; free_irq(pdev->irq, ioa_cfg); + pci_disable_msi(pdev); iounmap(ioa_cfg->hdw_dma_regs); pci_release_regions(pdev); ipr_free_mem(ioa_cfg); @@ -7432,6 +7433,11 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, goto out; } + if (!(rc = pci_enable_msi(pdev))) + dev_info(&pdev->dev, "MSI enabled\n"); + else if (ipr_debug) + dev_info(&pdev->dev, "Cannot enable MSI\n"); + dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); @@ -7574,6 +7580,7 @@ out_release_regions: out_scsi_host_put: scsi_host_put(host); out_disable: + pci_disable_msi(pdev); pci_disable_device(pdev); goto out; } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 8f872f816fe4..79a3ae4fb2c7 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -37,8 +37,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.4.1" -#define IPR_DRIVER_DATE "(April 24, 2007)" +#define IPR_DRIVER_VERSION "2.4.2" +#define IPR_DRIVER_DATE "(January 21, 2009)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding -- cgit v1.2.1