ARM: arm926ejs: fix lowlevel_init call

The code attempts to preserve the value of LR by storing it in R12/IP
across the lowevel_init() call.  However, this register is not saved
by the callee.  Use a register that guaranteed to be preserved instead.

Signed-off-by: Mans Rullgard <mans@mansr.com>

diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 959d1ed86d8af82c62a1f497aa90c50d3f109318..a6f0bdb70345b503f6698aa3738ee779237e981d 100644 (file)
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -105,9 +105,9 @@ flush_dcache:
        /*
         * Go setup Memory and board specific bits prior to relocation.
         */
-       mov     ip, lr          /* perserve link reg across call */
+       mov     r4, lr          /* perserve link reg across call */
        bl      lowlevel_init   /* go setup pll,mux,memory */
-       mov     lr, ip          /* restore link */
+       mov     lr, r4          /* restore link */
 #endif
        mov     pc, lr          /* back to my caller */
 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */