[PATCH v5 04/13] rockchip: tpl: use IS_ENABLED for timer_init() call condition

[Johan Jonker <jbx6244@gmail.com>]

Not all Rockchip SoC models use the ARM arch timer.
Call the function timer_init() only when
CONFIG_SYS_ARCH_TIMER is available.
Use the call condition IS_ENABLED to increase
build coverage and make the code easier to read.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---

Changed V5:
  rebase
  add include kconfig.h
---
 arch/arm/mach-rockchip/tpl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-rockchip/tpl.c b/arch/arm/mach-rockchip/tpl.c
index 7f43f58406..8126587060 100644
--- a/arch/arm/mach-rockchip/tpl.c
+++ b/arch/arm/mach-rockchip/tpl.c
@@ -15,6 +15,7 @@
 #include <asm/io.h>
 #include <asm/arch-rockchip/bootrom.h>
 #include <linux/bitops.h>
+#include <linux/kconfig.h>
 
 #if CONFIG_IS_ENABLED(BANNER_PRINT)
 #include <timestamp.h>
@@ -77,8 +78,10 @@ void board_init_f(ulong dummy)
 
 	/* Init secure timer */
 	rockchip_stimer_init();
-	/* Init ARM arch timer in arch/arm/cpu/ */
-	timer_init();
+
+	/* Init ARM arch timer */
+	if (IS_ENABLED(CONFIG_SYS_ARCH_TIMER))
+		timer_init();
 
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret) {
-- 
2.20.1