arm: Do not clear LR on exception in SPL

When an exception or interrupt occurs the link register (LR) may
contain the source of the exception, although we do not print the
value it may still be extracted with a debugger. When in SPL we
loop on getting and exception, but use a linking branch, which
over-writes the LR value, use a regular branch instruction here.

Signed-off-by: Andrew F. Davis <afd@ti.com>

diff --git a/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S
index 79afc27e84716f58b8de111de940353385fe72ff..d629cb1dc2d2f40dc02c99ae243dd9482de4eb8d 100644 (file)
--- a/arch/arm/lib/vectors.S
+++ b/arch/arm/lib/vectors.S
@@ -133,7 +133,7 @@ not_used:
 irq:
 fiq:
 1:
-       bl      1b                      /* hang and never return */
+       b       1b                      /* hang and never return */
 
 #else  /* !CONFIG_SPL_BUILD */