From: Andrey Mirkin (amirkin@xxxxx) It is known that 2 LSI Logic MegaRAID SATA RAID Controllers (150-4 and 150-6) don't support 64-bit DMA. Unfortunately currently this check is wrong and driver sets 64-bit DMA mode for these devices. Signed-off-by: Andrey Mirkin <amirkin@xxxxx> Ack-by: Vasily Averin <vvs@xxxxx> --- linux-2.6.19-rc2/drivers/scsi/megaraid/megaraid_mbox.c.mgst6 2006-10-16 10:26:50.000000000 +0400 +++ linux-2.6.19-rc2/drivers/scsi/megaraid/megaraid_mbox.c 2006-10-16 11:30:55.000000000 +0400 @@ -884,7 +884,7 @@ megaraid_init_mbox(adapter_t *adapter) if (((magic64 == HBA_SIGNATURE_64_BIT) && ((adapter->pdev->subsystem_device != - PCI_SUBSYS_ID_MEGARAID_SATA_150_6) || + PCI_SUBSYS_ID_MEGARAID_SATA_150_6) && (adapter->pdev->subsystem_device != PCI_SUBSYS_ID_MEGARAID_SATA_150_4))) || (adapter->pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC &&
--- linux-2.6.19-rc2/drivers/scsi/megaraid/megaraid_mbox.c.mgst6 2006-10-16 10:26:50.000000000 +0400 +++ linux-2.6.19-rc2/drivers/scsi/megaraid/megaraid_mbox.c 2006-10-16 11:30:55.000000000 +0400 @@ -884,7 +884,7 @@ megaraid_init_mbox(adapter_t *adapter) if (((magic64 == HBA_SIGNATURE_64_BIT) && ((adapter->pdev->subsystem_device != - PCI_SUBSYS_ID_MEGARAID_SATA_150_6) || + PCI_SUBSYS_ID_MEGARAID_SATA_150_6) && (adapter->pdev->subsystem_device != PCI_SUBSYS_ID_MEGARAID_SATA_150_4))) || (adapter->pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC &&
