From 2f03b42bfc234e211e13eed3df3ea87a40833b07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <karel.koci@nic.cz>
Date: Fri, 20 May 2022 11:44:05 +0200
Subject: [PATCH] boards: arm: kl: keep cfmconfig sections in linker script

This makes sure that this section is present even if LTO is enabled.
---
 boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld | 2 +-
 boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld | 2 +-
 boards/arm/kl/teensy-lc/scripts/teensy-lc.ld         | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld b/boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld
index 165055ea3e..5f59ac0c1b 100644
--- a/boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld
+++ b/boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld
@@ -43,7 +43,7 @@ SECTIONS
     } > vectflash
 
     .cfmprotect : {
-        *(.cfmconfig)
+        KEEP(*(.cfmconfig))
     } > cfmprotect
 
     .text : {
diff --git a/boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld b/boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld
index fd1d583bc0..9d89206883 100644
--- a/boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld
+++ b/boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld
@@ -43,7 +43,7 @@ SECTIONS
     } > vectflash
 
     .cfmprotect : {
-        *(.cfmconfig)
+        KEEP(*(.cfmconfig))
     } > cfmprotect
 
     .text : {
diff --git a/boards/arm/kl/teensy-lc/scripts/teensy-lc.ld b/boards/arm/kl/teensy-lc/scripts/teensy-lc.ld
index 1a922110d0..074acc2cd4 100644
--- a/boards/arm/kl/teensy-lc/scripts/teensy-lc.ld
+++ b/boards/arm/kl/teensy-lc/scripts/teensy-lc.ld
@@ -43,7 +43,7 @@ SECTIONS
     } > vectflash
 
     .cfmprotect : {
-        *(.cfmconfig)
+        KEEP(*(.cfmconfig))
     } > cfmprotect
 
     .text : {