From 8b674418e0250aae9748d9b53fe4c9d9607b7e36 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 17 Jan 2016 16:11:29 -0700
Subject: x86: Don't show an error when the MRC cache is up to date

When the final MRC cache record is the same as the one we want to write, we
skip writing since there is no point. This is normal behaviour.

Avoiding printing an error when this happens.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c
index 53a1259..67bace4 100644
--- a/arch/x86/lib/mrccache.c
+++ b/arch/x86/lib/mrccache.c
@@ -243,8 +243,12 @@ int mrccache_save(void)
 		goto err_entry;
 	data  = (struct mrc_data_container *)gd->arch.mrc_output;
 	ret = mrccache_update(sf, &entry, data);
-	if (!ret)
+	if (!ret) {
 		debug("Saved MRC data with checksum %04x\n", data->checksum);
+	} else if (ret == -EEXIST) {
+		debug("MRC data is the same as last time, skipping save\n");
+		ret = 0;
+	}
 
 err_entry:
 	if (ret)
-- 
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