From 9815abeaea4b663c3545ebfbedc5ea5f4593e6a2 Mon Sep 17 00:00:00 2001
From: Gary Bisson <gary.bisson@boundarydevices.com>
Date: Tue, 7 Mar 2017 18:01:12 +0100
Subject: [PATCH] image-sparse: disable data cache to avoid misaligned warnings
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
---
lib/image-sparse.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/lib/image-sparse.c b/lib/image-sparse.c
index 036062139bb..ef959f3cd9c 100644
--- a/lib/image-sparse.c
+++ b/lib/image-sparse.c
@@ -62,6 +62,7 @@ int write_sparse_image(struct sparse_storage *info,
chunk_header_t *chunk_header;
uint32_t total_blocks = 0;
int fill_buf_num_blks;
+ int dcache_enabled = dcache_status();
int i;
int j;
@@ -106,6 +107,10 @@ int write_sparse_image(struct sparse_storage *info,
puts("Flashing Sparse Image\n");
+ /* Disable data cache since chunks might not be aligned */
+ if (dcache_enabled)
+ dcache_disable();
+
/* Start processing chunks */
blk = info->start;
for (chunk = 0; chunk < sparse_header->total_chunks; chunk++) {
@@ -248,6 +253,10 @@ int write_sparse_image(struct sparse_storage *info,
}
}
+ /* Re-enable data cache it in case it was in the first place */
+ if (dcache_enabled)
+ dcache_enable();
+
debug("Wrote %d blocks, expected to write %d blocks\n",
total_blocks, sparse_header->total_blks);
printf("........ wrote %u bytes to '%s'\n", bytes_written, part_name);
--
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