[PATCH 6/7] ARM: stm32mp: stm32mp157c-dk2: compress the DTB

Ahmad Fatoum a.fatoum at pengutronix.de
Mon Jun 3 12:05:58 PDT 2019


This reduces saves 20K with my configuration (from 247K to 227K).

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 arch/arm/boards/stm32mp157c-dk2/lowlevel.c | 4 ++--
 arch/arm/mach-stm32mp/Kconfig              | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boards/stm32mp157c-dk2/lowlevel.c b/arch/arm/boards/stm32mp157c-dk2/lowlevel.c
index 7f66cbfa1224..73e1fa1cee3d 100644
--- a/arch/arm/boards/stm32mp157c-dk2/lowlevel.c
+++ b/arch/arm/boards/stm32mp157c-dk2/lowlevel.c
@@ -23,7 +23,7 @@ static inline void setup_uart(void)
 	putc_ll('>');
 }
 
-extern char __dtb_stm32mp157c_dk2_start[];
+extern char __dtb_z_stm32mp157c_dk2_start[];
 
 ENTRY_FUNCTION(start_stm32mp157c_dk2, r0, r1, r2)
 {
@@ -34,7 +34,7 @@ ENTRY_FUNCTION(start_stm32mp157c_dk2, r0, r1, r2)
 	if (IS_ENABLED(CONFIG_DEBUG_LL))
 		setup_uart();
 
-	fdt = __dtb_stm32mp157c_dk2_start + get_runtime_offset();
+	fdt = __dtb_z_stm32mp157c_dk2_start + get_runtime_offset();
 
 	barebox_arm_entry(STM32_DDR_BASE, SZ_512M, fdt);
 }
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index bcf7293c465b..be16294f5ad7 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -5,6 +5,7 @@ config ARCH_STM32MP1157
 
 config MACH_STM32MP157C_DK2
 	select ARCH_STM32MP1157
+	select ARM_USE_COMPRESSED_DTB
 	bool "STM32MP157C-DK2 board"
 
 endif
-- 
2.20.1




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