commit 960a2d616d3cdec277d4ebf0da1e6fa7bd2b28a2
author Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no> Mon Aug 12 16:28:26 2019 +0200
committer Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no> Tue Aug 13 15:44:17 2019 +0200
tree bbf41dc57e1b8ee41ed11b91271bfffe02f14161
parent f0dbd422ccc993df6a28167e4096c49ed96b7999

zephyr: allow to disable timers supports

For some basic mcuboot configurations the zephyr timers are
not required which reduce the flash footprint significantly.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>

boot/zephyr/main.c

diff --git a/boot/zephyr/main.c b/boot/zephyr/main.c
index b47da2b..555c891 100644
--- a/boot/zephyr/main.c
+++ b/boot/zephyr/main.c
@@ -74,7 +74,9 @@
                                      rsp->br_image_off +
                                      rsp->br_hdr->ih_hdr_size);
     irq_lock();
+#ifdef CONFIG_SYS_CLOCK_EXISTS
     sys_clock_disable();
+#endif
 #ifdef CONFIG_USB
     /* Disable the USB to prevent it from firing interrupts */
     usb_disable();