[PATCH 4/4] ARM: start: drop unnecessary variable

[Sascha Hauer]

No need anymore to store arm_head_bottom globally as it's only used
in barebox_non_pbl_start(). Also rename the variable to malloc_end
which is more meaningful.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/cpu/start.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index 38f69d5..f25e592 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -34,7 +34,6 @@
 #include "mmu-early.h"
 
 unsigned long arm_stack_top;
-static unsigned long arm_head_bottom;
 static unsigned long arm_barebox_size;
 static void *barebox_boarddata;
 static unsigned long barebox_boarddata_size;
@@ -162,7 +161,7 @@ __noreturn void barebox_non_pbl_start(unsigned long membase,
 
 	arm_stack_top = endmem;
 	arm_barebox_size = barebox_size;
-	arm_head_bottom = arm_mem_barebox_image(membase, endmem,
+	malloc_end = arm_mem_barebox_image(membase, endmem,
 						arm_barebox_size);
 
 	if (IS_ENABLED(CONFIG_MMU_EARLY)) {
@@ -201,12 +200,10 @@ __noreturn void barebox_non_pbl_start(unsigned long membase,
 			barebox_boarddata = memcpy((void *)mem, boarddata,
 						   totalsize);
 			barebox_boarddata_size = totalsize;
-			arm_head_bottom = mem;
+			malloc_end = mem;
 		}
 	}
 
-	malloc_end = arm_head_bottom;
-
 	/*
 	 * Maximum malloc space is the Kconfig value if given
 	 * or 1GB.
-- 
2.8.1