[SCSI] fusion: default MSI to disabled for SPI and FC controllers

[linux-2.6-omap-h63xx.git] / drivers / message / fusion / mptbase.c

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index db3c892f87fb50aafc6f53ac5aaaaf016ee2860f..d40d6d15ae20f62d158d5456f857689e051cdf5a 100644 (file)
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1686,9 +1686,14 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
                ioc->bus_type = SAS;
        }
 
-       if (ioc->bus_type == SAS && mpt_msi_enable == -1)
-               ioc->msi_enable = 1;
-       else
+       if (mpt_msi_enable == -1) {
+               /* Enable on SAS, disable on FC and SPI */
+               if (ioc->bus_type == SAS)
+                       ioc->msi_enable = 1;
+               else
+                       ioc->msi_enable = 0;
+       } else
+               /* follow flag: 0 - disable; 1 - enable */
                ioc->msi_enable = mpt_msi_enable;
 
        if (ioc->errata_flag_1064)