From 6cc1a2af46c448e7d822fa4976a8d6e10fc5273b Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Mon, 23 Apr 2018 07:59:44 +0200
Subject: [PATCH] riscv: Enable function sections

The linker can remove sections that are never addressed, so it makes a lot
of sense to declare every function as an individual section.

This reduces the output U-Boot code size by ~30kb for me.

Signed-off-by: Alexander Graf <agraf@suse.de>
---
 arch/riscv/config.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/config.mk b/arch/riscv/config.mk
index a7448e2095..f65ed8725d 100644
--- a/arch/riscv/config.mk
+++ b/arch/riscv/config.mk
@@ -29,5 +29,5 @@ CONFIG_STANDALONE_LOAD_ADDR = 0x00000000 \
 			      -T $(srctree)/examples/standalone/riscv.lds
 
 PLATFORM_CPPFLAGS	+= -ffixed-gp -fpic
-PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -gdwarf-2
+PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -gdwarf-2 -ffunction-sections
 LDFLAGS_u-boot += --gc-sections -static -pie
-- 
2.39.5