scsi: megaraid_sas: Add support for Crusader controllers

Add support for PCI VID/DID 0x1000/0x0015 based MegaRAID controllers.
Since the DID 0x0015 conflicts with DELL PERC5 controllers,
add vendor ID based check specific for DELL PERC5.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/megaraid/megaraid_sas.h

@@ -57,6 +57,7 @@
 #define PCI_DEVICE_ID_LSI_CUTLASS_52		0x0052
 #define PCI_DEVICE_ID_LSI_CUTLASS_53		0x0053
 #define PCI_DEVICE_ID_LSI_VENTURA		    0x0014
+#define PCI_DEVICE_ID_LSI_CRUSADER		    0x0015
 #define PCI_DEVICE_ID_LSI_HARPOON		    0x0016
 #define PCI_DEVICE_ID_LSI_TOMCAT		    0x0017
 #define PCI_DEVICE_ID_LSI_VENTURA_4PORT		0x001B

drivers/scsi/megaraid/megaraid_sas_base.c

@@ -161,6 +161,7 @@ static struct pci_device_id megasas_pci_table[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_53)},
 	/* VENTURA */
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA)},
+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER)},
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_HARPOON)},
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_TOMCAT)},
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA_4PORT)},
@@ -5980,8 +5981,13 @@ megasas_set_dma_mask(struct pci_dev *pdev)
  */
 static inline void megasas_set_adapter_type(struct megasas_instance *instance)
 {
+	if ((instance->pdev->vendor == PCI_VENDOR_ID_DELL) &&
+	    (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5)) {
+		instance->adapter_type = MFI_SERIES;
+	} else {
 		switch (instance->pdev->device) {
 		case PCI_DEVICE_ID_LSI_VENTURA:
+		case PCI_DEVICE_ID_LSI_CRUSADER:
 		case PCI_DEVICE_ID_LSI_HARPOON:
 		case PCI_DEVICE_ID_LSI_TOMCAT:
 		case PCI_DEVICE_ID_LSI_VENTURA_4PORT:
@@ -6004,6 +6010,7 @@ static inline void megasas_set_adapter_type(struct megasas_instance *instance)
 			instance->adapter_type = MFI_SERIES;
 			break;
 		}
+	}
 }
 
 /**