[U-Boot] [PATCH v2 4/8] riscv: Add board_quiesce_devices stub

[Alexander Graf <agraf@suse.de>]

This patch adds an empty stub for board_quiesce_devices() which allows boards
to quiesce their devices before we boot into an OS in a platform agnostic way.

Signed-off-by: Alexander Graf <agraf@suse.de>
---
 arch/riscv/include/asm/u-boot-riscv.h | 1 +
 arch/riscv/lib/bootm.c                | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/arch/riscv/include/asm/u-boot-riscv.h b/arch/riscv/include/asm/u-boot-riscv.h
index 18099cd260..0b6428b1ae 100644
--- a/arch/riscv/include/asm/u-boot-riscv.h
+++ b/arch/riscv/include/asm/u-boot-riscv.h
@@ -17,5 +17,6 @@ int cleanup_before_linux(void);
 
 /* board/.../... */
 int board_init(void);
+void board_quiesce_devices(void);
 
 #endif	/* _U_BOOT_RISCV_H_ */
diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c
index 9242fa891a..b80274adba 100644
--- a/arch/riscv/lib/bootm.c
+++ b/arch/riscv/lib/bootm.c
@@ -16,6 +16,10 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+__weak void board_quiesce_devices(void)
+{
+}
+
 int arch_fixup_fdt(void *blob)
 {
 	return 0;
-- 
2.12.3