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Diffstat (limited to 'ANDROID_3.4.5/drivers/mtd/ofpart.c')
-rw-r--r--ANDROID_3.4.5/drivers/mtd/ofpart.c184
1 files changed, 0 insertions, 184 deletions
diff --git a/ANDROID_3.4.5/drivers/mtd/ofpart.c b/ANDROID_3.4.5/drivers/mtd/ofpart.c
deleted file mode 100644
index 64be8f08..00000000
--- a/ANDROID_3.4.5/drivers/mtd/ofpart.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Flash partitions described by the OF (or flattened) device tree
- *
- * Copyright © 2006 MontaVista Software Inc.
- * Author: Vitaly Wool <vwool@ru.mvista.com>
- *
- * Revised to handle newer style flash binding by:
- * Copyright © 2007 David Gibson, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/of.h>
-#include <linux/mtd/mtd.h>
-#include <linux/slab.h>
-#include <linux/mtd/partitions.h>
-
-static int parse_ofpart_partitions(struct mtd_info *master,
- struct mtd_partition **pparts,
- struct mtd_part_parser_data *data)
-{
- struct device_node *node;
- const char *partname;
- struct device_node *pp;
- int nr_parts, i;
-
-
- if (!data)
- return 0;
-
- node = data->of_node;
- if (!node)
- return 0;
-
- /* First count the subnodes */
- pp = NULL;
- nr_parts = 0;
- while ((pp = of_get_next_child(node, pp)))
- nr_parts++;
-
- if (nr_parts == 0)
- return 0;
-
- *pparts = kzalloc(nr_parts * sizeof(**pparts), GFP_KERNEL);
- if (!*pparts)
- return -ENOMEM;
-
- pp = NULL;
- i = 0;
- while ((pp = of_get_next_child(node, pp))) {
- const __be32 *reg;
- int len;
-
- reg = of_get_property(pp, "reg", &len);
- if (!reg) {
- nr_parts--;
- continue;
- }
-
- (*pparts)[i].offset = be32_to_cpu(reg[0]);
- (*pparts)[i].size = be32_to_cpu(reg[1]);
-
- partname = of_get_property(pp, "label", &len);
- if (!partname)
- partname = of_get_property(pp, "name", &len);
- (*pparts)[i].name = (char *)partname;
-
- if (of_get_property(pp, "read-only", &len))
- (*pparts)[i].mask_flags = MTD_WRITEABLE;
-
- i++;
- }
-
- if (!i) {
- of_node_put(pp);
- pr_err("No valid partition found on %s\n", node->full_name);
- kfree(*pparts);
- *pparts = NULL;
- return -EINVAL;
- }
-
- return nr_parts;
-}
-
-static struct mtd_part_parser ofpart_parser = {
- .owner = THIS_MODULE,
- .parse_fn = parse_ofpart_partitions,
- .name = "ofpart",
-};
-
-static int parse_ofoldpart_partitions(struct mtd_info *master,
- struct mtd_partition **pparts,
- struct mtd_part_parser_data *data)
-{
- struct device_node *dp;
- int i, plen, nr_parts;
- const struct {
- __be32 offset, len;
- } *part;
- const char *names;
-
- if (!data)
- return 0;
-
- dp = data->of_node;
- if (!dp)
- return 0;
-
- part = of_get_property(dp, "partitions", &plen);
- if (!part)
- return 0; /* No partitions found */
-
- pr_warning("Device tree uses obsolete partition map binding: %s\n",
- dp->full_name);
-
- nr_parts = plen / sizeof(part[0]);
-
- *pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL);
- if (!pparts)
- return -ENOMEM;
-
- names = of_get_property(dp, "partition-names", &plen);
-
- for (i = 0; i < nr_parts; i++) {
- (*pparts)[i].offset = be32_to_cpu(part->offset);
- (*pparts)[i].size = be32_to_cpu(part->len) & ~1;
- /* bit 0 set signifies read only partition */
- if (be32_to_cpu(part->len) & 1)
- (*pparts)[i].mask_flags = MTD_WRITEABLE;
-
- if (names && (plen > 0)) {
- int len = strlen(names) + 1;
-
- (*pparts)[i].name = (char *)names;
- plen -= len;
- names += len;
- } else {
- (*pparts)[i].name = "unnamed";
- }
-
- part++;
- }
-
- return nr_parts;
-}
-
-static struct mtd_part_parser ofoldpart_parser = {
- .owner = THIS_MODULE,
- .parse_fn = parse_ofoldpart_partitions,
- .name = "ofoldpart",
-};
-
-static int __init ofpart_parser_init(void)
-{
- int rc;
- rc = register_mtd_parser(&ofpart_parser);
- if (rc)
- goto out;
-
- rc = register_mtd_parser(&ofoldpart_parser);
- if (!rc)
- return 0;
-
- deregister_mtd_parser(&ofoldpart_parser);
-out:
- return rc;
-}
-
-module_init(ofpart_parser_init);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Parser for MTD partitioning information in device tree");
-MODULE_AUTHOR("Vitaly Wool, David Gibson");
-/*
- * When MTD core cannot find the requested parser, it tries to load the module
- * with the same name. Since we provide the ofoldpart parser, we should have
- * the corresponding alias.
- */
-MODULE_ALIAS("ofoldpart");