diff options
| author | sreekanth.reddy@lsi.com <sreekanth.reddy@lsi.com> | 2012-08-22 16:55:13 +0530 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-10-10 03:30:56 +0100 |
| commit | 8756f652afeddf11a6a1c54a09c410b1fe688b3d (patch) | |
| tree | 79fe5ac4f42d69400e31bcda710451fd74f47498 | |
| parent | 79167c4322ea74261a7da65d62238b3c7c60ec1e (diff) | |
mpt2sas: Fix for issue - Unable to boot from the drive connected to HBA
commit 10cce6d8b5af0b32bc4254ae4a28423a74c0921c upstream.
This patch checks whether HBA is SAS2008 B0 controller.
if it is a SAS2008 B0 controller then it use IO-APIC interrupt instead of MSIX,
as SAS2008 B0 controller doesn't support MSIX interrupts.
[jejb: fix whitespace problems]
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 98cb5e6f92d6..17de34807178 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -1156,6 +1156,13 @@ _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) u16 message_control; + /* Check whether controller SAS2008 B0 controller, + if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ + if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && + ioc->pdev->revision == 0x01) { + return -EINVAL; + } + base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); if (!base) { dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " |