From 5cf3540f6ec162418d60f5248fe0adf1daa154a4 Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Mon, 25 Feb 2019 09:26:26 -0800
Subject: [PATCH] [efr32] unify flash config around SETTINGS_CONFIG_PAGE_NUM
 (#3620)

---
 examples/platforms/efr32/flash.c                        | 5 +++--
 examples/platforms/efr32/openthread-core-efr32-config.h | 4 +++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/examples/platforms/efr32/flash.c b/examples/platforms/efr32/flash.c
index abc88eb3f..83ce5a46f 100644
--- a/examples/platforms/efr32/flash.c
+++ b/examples/platforms/efr32/flash.c
@@ -31,6 +31,8 @@
  *   This file implements the OpenThread platform abstraction for the non-volatile storage.
  */
 
+#include <openthread-core-config.h>
+
 #include <openthread/config.h>
 #include <openthread/platform/alarm-milli.h>
 
@@ -40,9 +42,8 @@
 #include "em_msc.h"
 
 // clang-format off
-#define FLASH_DATA_USED_PAGES   10
 #define FLASH_DATA_END_ADDR     (FLASH_BASE + FLASH_SIZE)
-#define FLASH_DATA_START_ADDR   (FLASH_DATA_END_ADDR - (FLASH_PAGE_SIZE * FLASH_DATA_USED_PAGES))
+#define FLASH_DATA_START_ADDR   (FLASH_DATA_END_ADDR - (FLASH_PAGE_SIZE * SETTINGS_CONFIG_PAGE_NUM))
 // clang-format on
 
 static inline uint32_t mapAddress(uint32_t aAddress)
diff --git a/examples/platforms/efr32/openthread-core-efr32-config.h b/examples/platforms/efr32/openthread-core-efr32-config.h
index 51f2e91cd..4cf938506 100644
--- a/examples/platforms/efr32/openthread-core-efr32-config.h
+++ b/examples/platforms/efr32/openthread-core-efr32-config.h
@@ -32,6 +32,8 @@
  *   for OpenThread.
  */
 
+#include "em_msc.h"
+
 #ifndef OPENTHREAD_CORE_EFR32_CONFIG_H_
 #define OPENTHREAD_CORE_EFR32_CONFIG_H_
 
@@ -90,7 +92,7 @@
  * The page size of settings.
  *
  */
-#define SETTINGS_CONFIG_PAGE_SIZE                              0x800
+#define SETTINGS_CONFIG_PAGE_SIZE                              FLASH_PAGE_SIZE
 
 /**
  * @def SETTINGS_CONFIG_PAGE_NUM