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-rw-r--r--target/linux/x86/image/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index f34788d67b..ca5d0123c7 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -32,8 +32,8 @@ endif
GRUB_SERIAL:=$(call qstrip,$(CONFIG_GRUB_SERIAL))
ifneq ($(GRUB_SERIAL),)
- GRUB_CONSOLE_CMDLINE += console=$(GRUB_SERIAL),$(CONFIG_GRUB_BAUDRATE)n8
- GRUB_SERIAL_CONFIG := serial --unit=0 --speed=$(CONFIG_GRUB_BAUDRATE) --word=8 --parity=no --stop=1 --rtscts=off
+ GRUB_CONSOLE_CMDLINE += console=$(GRUB_SERIAL),$(CONFIG_GRUB_BAUDRATE)n8$(if $(CONFIG_GRUB_FLOWCONTROL),r,)
+ GRUB_SERIAL_CONFIG := serial --unit=0 --speed=$(CONFIG_GRUB_BAUDRATE) --word=8 --parity=no --stop=1 --rtscts=$(if $(CONFIG_GRUB_FLOWCONTROL),on,off)
GRUB_TERMINALS += serial
endif