1 files changed, 0 insertions, 141 deletions
diff --git a/src/barebox-state/backend_bucket_cached.c b/src/barebox-state/backend_bucket_cached.c
deleted file mode 100644
index f8a7785..0000000
--- a/src/barebox-state/backend_bucket_cached.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Copyright (C) 2016 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include "state.h"
-
-struct state_backend_storage_bucket_cache {
-	struct state_backend_storage_bucket bucket;
-
-	struct state_backend_storage_bucket *raw;
-
-	void *data;
-	ssize_t data_len;
-	bool force_write;
-
-	/* For outputs */
-	struct device_d *dev;
-};
-
-static inline struct state_backend_storage_bucket_cache
-    *get_bucket_cache(struct state_backend_storage_bucket *bucket)
-{
-	return container_of(bucket,
-			    struct state_backend_storage_bucket_cache,
-			    bucket);
-}
-
-static inline void state_backend_bucket_cache_drop(
-		struct state_backend_storage_bucket_cache *cache)
-{
-	if (cache->data) {
-		free(cache->data);
-		cache->data = NULL;
-		cache->data_len = 0;
-	}
-}
-
-static int state_backend_bucket_cache_fill(
-		struct state_backend_storage_bucket_cache *cache)
-{
-	int ret;
-
-	ret = cache->raw->read(cache->raw, &cache->data, &cache->data_len);
-	if (ret == -EUCLEAN) {
-		cache->force_write = true;
-		ret = 0;
-	}
-
-	return ret;
-}
-
-static int state_backend_bucket_cache_read(struct state_backend_storage_bucket *bucket,
-					   void ** buf_out,
-					   ssize_t * len_hint)
-{
-	struct state_backend_storage_bucket_cache *cache =
-			get_bucket_cache(bucket);
-	int ret;
-
-	if (!cache->data) {
-		ret = state_backend_bucket_cache_fill(cache);
-		if (ret)
-			return ret;
-	}
-
-	if (cache->data) {
-		*buf_out = xmemdup(cache->data, cache->data_len);
-		if (!*buf_out)
-			return -ENOMEM;
-		*len_hint = cache->data_len;
-	}
-
-	return 0;
-}
-
-static int state_backend_bucket_cache_write(struct state_backend_storage_bucket *bucket,
-					    const void * buf, ssize_t len)
-{
-	struct state_backend_storage_bucket_cache *cache =
-			get_bucket_cache(bucket);
-	int ret;
-
-	if (!cache->force_write) {
-		if (!cache->data)
-			ret = state_backend_bucket_cache_fill(cache);
-
-		if (cache->data_len == len && !memcmp(cache->data, buf, len))
-			return 0;
-	}
-
-	state_backend_bucket_cache_drop(cache);
-
-	ret = cache->raw->write(cache->raw, buf, len);
-	if (ret)
-		return ret;
-
-	cache->data = xmemdup(buf, len);
-	cache->data_len = len;
-	return 0;
-}
-
-static void state_backend_bucket_cache_free(
-		struct state_backend_storage_bucket *bucket)
-{
-	struct state_backend_storage_bucket_cache *cache =
-			get_bucket_cache(bucket);
-
-	state_backend_bucket_cache_drop(cache);
-	cache->raw->free(cache->raw);
-	free(cache);
-}
-
-int state_backend_bucket_cached_create(struct device_d *dev,
-				       struct state_backend_storage_bucket *raw,
-				       struct state_backend_storage_bucket **out)
-{
-	struct state_backend_storage_bucket_cache *cache;
-
-	cache = xzalloc(sizeof(*cache));
-	cache->raw = raw;
-	cache->dev = dev;
-
-	cache->bucket.free = state_backend_bucket_cache_free;
-	cache->bucket.read = state_backend_bucket_cache_read;
-	cache->bucket.write = state_backend_bucket_cache_write;
-
-	*out = &cache->bucket;
-
-	return 0;
-}