[PATCH v2 2/3] ARM: turn arm_mem_stack_top into a macro

[Ahmad Fatoum]

This makes it possible to use for static initialization, like done in a
follow-up commit.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
v1 -> v2:
  - drop OPTEE_SIZE on non OPTEE builds
---
 arch/arm/include/asm/barebox-arm.h | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h
index 5018b3e2f57a..1c8cdfd16e62 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -97,14 +97,13 @@ static inline void arm_fixup_vectors(void)
 
 void *barebox_arm_boot_dtb(void);
 
-static inline unsigned long arm_mem_stack_top(unsigned long membase,
-					      unsigned long endmem)
-{
-	if (IS_ENABLED(CONFIG_BOOTM_OPTEE) || IS_ENABLED(CONFIG_PBL_OPTEE))
-		endmem -= OPTEE_SIZE;
+#define __arm_mem_stack_top(membase, endmem) ((endmem) - SZ_64K)
 
-	return endmem - SZ_64K;
-}
+#if defined(CONFIG_BOOTM_OPTEE) || defined(CONFIG_PBL_OPTEE)
+#define arm_mem_stack_top(membase, endmem) (__arm_mem_stack_top(membase, endmem) - OPTEE_SIZE)
+#else
+#define arm_mem_stack_top(membase, endmem)  __arm_mem_stack_top(membase, endmem)
+#endif
 
 static inline unsigned long arm_mem_stack(unsigned long membase,
 					  unsigned long endmem)
-- 
2.30.2