Change in coreboot[master]: soc/cavium/cn81xx: Don't directly manipulate devicetree data

[Patrick Rudolph (Code Review)]

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/28266

Change subject: soc/cavium/cn81xx: Don't directly manipulate devicetree data
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soc/cavium/cn81xx: Don't directly manipulate devicetree data

As preparation to constify devicetree data, do it the right way.

Change-Id: I5081de020bb73c56aa8bdf7bb17fe6b2913d0ffe
Signed-off-by: Patrick Rudolph 
---
M src/soc/cavium/cn81xx/soc.c
1 file changed, 16 insertions(+), 4 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/66/28266/1

diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c
index 9dbbcbf..9317fd9 100644
--- a/src/soc/cavium/cn81xx/soc.c
+++ b/src/soc/cavium/cn81xx/soc.c
@@ -240,12 +240,24 @@
    		       __func__);
    		continue;
    	}
+
+		u32 *data_cleaned = malloc(size);
+		if (!data_cleaned)
+			continue;
+
+		size_t n = 0;
+		/* Remove phandle from mmu-masters list */
    	for (size_t j = 0; j < size / (sizeof(u32) * 2); j++)
-			if (be32_to_cpu(data[j * 2]) == phandle) {
-				data[j * 2] = 0;
-				data[j * 2 + 1] = 0;
-				break;
+			if (be32_to_cpu(data[j * 2]) != phandle) {
+				data_cleaned[n * 2] = data[j * 2];
+				data_cleaned[n * 2 + 1] = data[j * 2 + 1];
+				n++;
    		}
+
+		dt_add_bin_prop(dt_node, "mmu-masters", data_cleaned,
+				n * sizeof(u32) * 2);
+
+		free(data_cleaned);
    }

/* Remove QLM mode entries */