ARM: pxa: fix cpu_is_pxa*() not expanding to zero when not configured

When CONFIG_PXA3xx is not selected, cpu_is_pxa3xx() doesn't expand to
zero, which in some places doesn't result in correct optimization.

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Reported-and-tested-by: Marek Vasut <marek.vasut@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index 7f64d24cd564..b03650059d15 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -264,23 +264,35 @@
  * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x
  * == 0x3 for pxa300/pxa310/pxa320
  */
+#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
 #define __cpu_is_pxa2xx(id)                             \
         ({                                              \
                 unsigned int _id = (id) >> 13 & 0x7;    \
                 _id <= 0x2;                             \
          })
+#else
+#define __cpu_is_pxa2xx(id)     (0)
+#endif
 
+#ifdef CONFIG_PXA3xx
 #define __cpu_is_pxa3xx(id)                             \
         ({                                              \
                 unsigned int _id = (id) >> 13 & 0x7;    \
                 _id == 0x3;                             \
          })
+#else
+#define __cpu_is_pxa3xx(id)     (0)
+#endif
 
+#if defined(CONFIG_CPU_PXA930) || defined(CONFIG_CPU_PXA935)
 #define __cpu_is_pxa93x(id)                             \
         ({                                              \
                 unsigned int _id = (id) >> 4 & 0xfff;   \
                 _id == 0x683 || _id == 0x693;           \
          })
+#else
+#define __cpu_is_pxa93x(id)     (0)
+#endif
 
 #define cpu_is_pxa2xx()                                 \
         ({                                              \