Revert "[ARM] pxa: introduce cpu_is_pxa26x()"

This reverts commit da1a3dc0ebb4f9209a1939eaa6b18901e0cd7bc0.

The originally proposed way in the above commit is incorrect. And
there is no easy way to distinguish between pxa25x and pxa26x at
run-time.

Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index a582a6d9b92b..292a93af2b25 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -204,8 +204,6 @@
                 __cpu_is_pxa25x(read_cpuid_id());       \
         })
 
-extern int cpu_is_pxa26x(void);
-
 #define cpu_is_pxa27x()                                 \
         ({                                              \
                 __cpu_is_pxa27x(read_cpuid_id());       \