diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c
index edfd12b48c28..968d08358d20 100644
--- a/drivers/scsi/arm/eesox.c
+++ b/drivers/scsi/arm/eesox.c
@@ -273,7 +273,7 @@ static void eesoxscsi_buffer_out(void *buf, int length, void __iomem *base)
 {
 	const void __iomem *reg_fas = base + EESOX_FAS216_OFFSET;
 	const void __iomem *reg_dmastat = base + EESOX_DMASTAT;
-	const void __iomem *reg_dmadata = base + EESOX_DMADATA;
+	void __iomem *reg_dmadata = base + EESOX_DMADATA;
 
 	do {
 		unsigned int status;