diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 0f0a1ae99434169b7cc672c1992cfb9078a28f1b..d04d1aa28fa4512c1196768ac3511be520584e71 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -59,7 +59,10 @@
 
 struct class_device_attribute *arcmsr_host_attrs[];
 
-static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj,
+					     struct bin_attribute *bin,
+					     char *buf, loff_t off,
+					     size_t count)
 {
 	struct class_device *cdev = container_of(kobj,struct class_device,kobj);
 	struct Scsi_Host *host = class_to_shost(cdev);
@@ -102,7 +105,10 @@ static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj, char *buf, lo
 	return (allxfer_len);
 }
 
-static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj,
+					      struct bin_attribute *bin,
+					      char *buf, loff_t off,
+					      size_t count)
 {
 	struct class_device *cdev = container_of(kobj,struct class_device,kobj);
 	struct Scsi_Host *host = class_to_shost(cdev);
@@ -147,7 +153,10 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj, char *buf, l
 	}
 }
 
-static ssize_t arcmsr_sysfs_iop_message_clear(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t arcmsr_sysfs_iop_message_clear(struct kobject *kobj,
+					      struct bin_attribute *bin,
+					      char *buf, loff_t off,
+					      size_t count)
 {
 	struct class_device *cdev = container_of(kobj,struct class_device,kobj);
 	struct Scsi_Host *host = class_to_shost(cdev);
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index d70398ac64dbb71c5d49f49a9a95236c51391afb..50e1310ce9837930dc9e7dc2271bef5b7072102b 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -97,9 +97,6 @@ static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb);
 static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
 static const char *arcmsr_info(struct Scsi_Host *);
 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
-static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
-						pci_channel_state_t state);
-static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
 static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
 								int queue_depth)
 {
@@ -326,7 +323,7 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
 
 		reg = (struct MessageUnit_B *)(dma_coherent +
 		ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
-		acb->pmu = (struct MessageUnit_B *)reg;
+		acb->pmu = (struct MessageUnit *)reg;
 		mem_base0 = ioremap(pci_resource_start(pdev, 0),
 					pci_resource_len(pdev, 0));
 		mem_base1 = ioremap(pci_resource_start(pdev, 2),