diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index ca188cd576f94db43512716f2da13f9e374fe11f..e480d1e48130e82553a12fb7207102b2b48d375a 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -264,7 +264,6 @@
 /*
  * CPUID Core Generation Bit
  * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x
- * == 0x3 for pxa300/pxa310/pxa320
  */
 #if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
 #define __cpu_is_pxa2xx(id)				\
@@ -279,8 +278,10 @@
 #ifdef CONFIG_PXA3xx
 #define __cpu_is_pxa3xx(id)				\
 	({						\
-		unsigned int _id = (id) >> 13 & 0x7;	\
-		_id == 0x3;				\
+		__cpu_is_pxa300(id)			\
+			|| __cpu_is_pxa310(id)		\
+			|| __cpu_is_pxa320(id)		\
+			|| __cpu_is_pxa93x(id);		\
 	 })
 #else
 #define __cpu_is_pxa3xx(id)	(0)
@@ -289,8 +290,8 @@
 #if defined(CONFIG_CPU_PXA930) || defined(CONFIG_CPU_PXA935)
 #define __cpu_is_pxa93x(id)				\
 	({						\
-		unsigned int _id = (id) >> 4 & 0xfff;	\
-		_id == 0x683 || _id == 0x693;		\
+		__cpu_is_pxa930(id)			\
+			|| __cpu_is_pxa935(id);		\
 	 })
 #else
 #define __cpu_is_pxa93x(id)	(0)