arm: Update our 'ret' assembler macro slightly

We only support cores that do Thumb-1 or later.  So we add a comment to
explain this and remove the architecture test.

Cc: Albert ARIBAUD <[email protected]>
Cc: Mans Rullgard <[email protected]>
Signed-off-by: Tom Rini <[email protected]>

diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index c56daf2a1f69b2a64f804642128bf08bcd01f5bf..d24be2d484fe67977257f39e18cf16338f7b1932 100644 (file)
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -57,17 +57,17 @@
 #define PLD(code...)
 #endif
 
+/*
+ * We only support cores that support at least Thumb-1 and thus we use
+ * 'bx lr'
+ */
        .irp    c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
        .macro  ret\c, reg
-#if defined(__ARM_ARCH_5E__)
-       mov\c   pc, \reg
-#else
        .ifeqs  "\reg", "lr"
        bx\c    \reg
        .else
        mov\c   pc, \reg
        .endif
-#endif
        .endm
        .endr