diff --git a/drivers/scsi/pm8001/pm8001_defs.h b/drivers/scsi/pm8001/pm8001_defs.h
index 501b574239e8..7871e29a820a 100644
--- a/drivers/scsi/pm8001/pm8001_defs.h
+++ b/drivers/scsi/pm8001/pm8001_defs.h
@@ -92,8 +92,11 @@ enum port_type {
 #define	PM8001_MAX_MSIX_VEC	 64	/* max msi-x int for spcv/ve */
 #define	PM8001_RESERVE_SLOT	 8
 
-#define	CONFIG_SCSI_PM8001_MAX_DMA_SG	528
-#define PM8001_MAX_DMA_SG	CONFIG_SCSI_PM8001_MAX_DMA_SG
+#define PM8001_SECTOR_SIZE	512
+#define PM8001_PAGE_SIZE_4K	4096
+#define PM8001_MAX_IO_SIZE	(4 * 1024 * 1024)
+#define PM8001_MAX_DMA_SG	(PM8001_MAX_IO_SIZE / PM8001_PAGE_SIZE_4K)
+#define PM8001_MAX_SECTORS	(PM8001_MAX_IO_SIZE / PM8001_SECTOR_SIZE)
 
 enum memory_region_num {
 	AAP1 = 0x0, /* application acceleration processor */
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index dce40d02b73c..f8c81e53e93f 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -121,6 +121,7 @@ static const struct scsi_host_template pm8001_sht = {
 	.scan_start		= pm8001_scan_start,
 	.can_queue		= 1,
 	.sg_tablesize		= PM8001_MAX_DMA_SG,
+	.max_sectors		= PM8001_MAX_SECTORS,
 	.shost_groups		= pm8001_host_groups,
 	.sdev_groups		= pm8001_sdev_groups,
 	.track_queue_depth	= 1,