From 0d1414bd973a2d86ca42d8fb865617453cbb4c0e Mon Sep 17 00:00:00 2001
From: Bin Meng <bmeng.cn@gmail.com>
Date: Tue, 22 Aug 2017 08:15:18 -0700
Subject: sandbox: Add a dummy invalidate_dcache_range() function

This adds invalidate_dcache_range() so that some drivers can build
without error on sandbox.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index eefed2e..0199104 100644
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -100,6 +100,10 @@ void flush_dcache_range(unsigned long start, unsigned long stop)
 {
 }
 
+void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+}
+
 int sandbox_read_fdt_from_file(void)
 {
 	struct sandbox_state *state = state_get_current();
-- 
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