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path: root/drivers/message/fusion/mptbase.c
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Diffstat (limited to 'drivers/message/fusion/mptbase.c')
-rw-r--r--drivers/message/fusion/mptbase.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index db3c892f87fb..d40d6d15ae20 100644
--- 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)