diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 59d81e86a79c4408e023bfb6bc3daf4dc6b6584b..f997c1f85c86e4a1e0cb188c21690345398f3131 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -4006,13 +4006,13 @@ static int auto_attach(struct comedi_device *dev,
 	local_range = readl(devpriv->plx9080_iobase + PLX_REG_LAS0RR) &
 		      PLX_LASRR_MEM_MASK;
 	local_decode = readl(devpriv->plx9080_iobase + PLX_REG_LAS0BA) &
-		       local_range & LMAP_MEM_MASK;
+		       local_range & PLX_LASBA_MEM_MASK;
 	devpriv->local0_iobase = ((uint32_t)devpriv->main_phys_iobase &
 				  ~local_range) | local_decode;
 	local_range = readl(devpriv->plx9080_iobase + PLX_REG_LAS1RR) &
 		      PLX_LASRR_MEM_MASK;
 	local_decode = readl(devpriv->plx9080_iobase + PLX_REG_LAS1BA) &
-		       local_range & LMAP_MEM_MASK;
+		       local_range & PLX_LASBA_MEM_MASK;
 	devpriv->local1_iobase = ((uint32_t)devpriv->dio_counter_phys_iobase &
 				  ~local_range) | local_decode;
 
diff --git a/drivers/staging/comedi/drivers/plx9080.h b/drivers/staging/comedi/drivers/plx9080.h
index 8788117f91eb2b3073997e7c31dab6201bafe788..140135c68308006f3dcc2a9a78042aeec3eb76c7 100644
--- a/drivers/staging/comedi/drivers/plx9080.h
+++ b/drivers/staging/comedi/drivers/plx9080.h
@@ -70,11 +70,11 @@ struct plx_dma_desc {
 /* Local Address Space 1 Local Base Address (Remap) Register */
 #define PLX_REG_LAS1BA		0x00f4
 
-#define  LMAP_EN           0x00000001	/* Enable slave decode */
-/*  bits that specify decode for memory io */
-#define  LMAP_MEM_MASK     0xfffffff0
-/*  bits that specify decode bits for normal io */
-#define  LMAP_IO_MASK     0xfffffffc
+#define PLX_LASBA_EN		BIT(0)		/* Enable slave decode */
+/* bits that specify local base address for memory space */
+#define PLX_LASBA_MEM_MASK	GENMASK(31, 4)
+/* bits that specify local base address for i/o space */
+#define PLX_LASBA_IO_MASK	GENMASK(31, 2)
 
 /* Mode/Arbitration Register */
 #define PLX_REG_MARBR		0x0008