diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 6588170e3845..0eb1da85db73 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -88,7 +88,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 619685b94d90..9fc95aaca439 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -79,7 +79,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 559a7eef7a38..f5c94bf80e3b 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -88,7 +88,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 051b05c88027..93b361dff27b 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -95,7 +95,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);
diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S
index 0b28137b3dea..31a777a9e699 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -78,7 +78,7 @@ ENTRY(_start_dma_code)
 	r1 = r1 << 8;                    /* Shift it over                   */
 	r0 = r1 | r0;                    /* add them all together           */
 #ifdef ANOMALY_05000265
-	r0 = BITSET(r0, 15);             /* Add 250 mV of hysteresis to SPORT input pins */
+	BITSET(r0, 15);                  /* Add 250 mV of hysteresis to SPORT input pins */
 #endif
 
 	p0.h = hi(PLL_CTL);