Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb...

[karo-tx-linux.git] / drivers / scsi / mpt2sas / mpt2sas_base.c

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index db5960855cdf0da88550d81c574819b564039ce5..ffd85c511c8e2925314d27a96f268f922d1db3aa 100644 (file)
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1209,6 +1209,13 @@ _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 "