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path: root/drivers/mtd/ofpart.c
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Diffstat (limited to 'drivers/mtd/ofpart.c')
-rw-r--r--drivers/mtd/ofpart.c53
1 files changed, 25 insertions, 28 deletions
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 9ed6038e47d2..ede407d6e106 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -26,9 +26,10 @@ static bool node_has_compatible(struct device_node *pp)
}
static int parse_ofpart_partitions(struct mtd_info *master,
- struct mtd_partition **pparts,
+ const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
+ struct mtd_partition *parts;
struct device_node *mtd_node;
struct device_node *ofpart_node;
const char *partname;
@@ -37,10 +38,8 @@ static int parse_ofpart_partitions(struct mtd_info *master,
bool dedicated = true;
- if (!data)
- return 0;
-
- mtd_node = data->of_node;
+ /* Pull of_node from the master device node */
+ mtd_node = mtd_get_of_node(master);
if (!mtd_node)
return 0;
@@ -72,8 +71,8 @@ static int parse_ofpart_partitions(struct mtd_info *master,
if (nr_parts == 0)
return 0;
- *pparts = kzalloc(nr_parts * sizeof(**pparts), GFP_KERNEL);
- if (!*pparts)
+ parts = kzalloc(nr_parts * sizeof(*parts), GFP_KERNEL);
+ if (!parts)
return -ENOMEM;
i = 0;
@@ -107,19 +106,19 @@ static int parse_ofpart_partitions(struct mtd_info *master,
goto ofpart_fail;
}
- (*pparts)[i].offset = of_read_number(reg, a_cells);
- (*pparts)[i].size = of_read_number(reg + a_cells, s_cells);
+ parts[i].offset = of_read_number(reg, a_cells);
+ parts[i].size = of_read_number(reg + a_cells, s_cells);
partname = of_get_property(pp, "label", &len);
if (!partname)
partname = of_get_property(pp, "name", &len);
- (*pparts)[i].name = partname;
+ parts[i].name = partname;
if (of_get_property(pp, "read-only", &len))
- (*pparts)[i].mask_flags |= MTD_WRITEABLE;
+ parts[i].mask_flags |= MTD_WRITEABLE;
if (of_get_property(pp, "lock", &len))
- (*pparts)[i].mask_flags |= MTD_POWERUP_LOCK;
+ parts[i].mask_flags |= MTD_POWERUP_LOCK;
i++;
}
@@ -127,6 +126,7 @@ static int parse_ofpart_partitions(struct mtd_info *master,
if (!nr_parts)
goto ofpart_none;
+ *pparts = parts;
return nr_parts;
ofpart_fail:
@@ -135,21 +135,20 @@ ofpart_fail:
ret = -EINVAL;
ofpart_none:
of_node_put(pp);
- kfree(*pparts);
- *pparts = NULL;
+ kfree(parts);
return ret;
}
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,
+ const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
+ struct mtd_partition *parts;
struct device_node *dp;
int i, plen, nr_parts;
const struct {
@@ -157,10 +156,8 @@ static int parse_ofoldpart_partitions(struct mtd_info *master,
} *part;
const char *names;
- if (!data)
- return 0;
-
- dp = data->of_node;
+ /* Pull of_node from the master device node */
+ dp = mtd_get_of_node(master);
if (!dp)
return 0;
@@ -173,37 +170,37 @@ static int parse_ofoldpart_partitions(struct mtd_info *master,
nr_parts = plen / sizeof(part[0]);
- *pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL);
- if (!*pparts)
+ parts = kzalloc(nr_parts * sizeof(*parts), GFP_KERNEL);
+ if (!parts)
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;
+ parts[i].offset = be32_to_cpu(part->offset);
+ parts[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;
+ parts[i].mask_flags = MTD_WRITEABLE;
if (names && (plen > 0)) {
int len = strlen(names) + 1;
- (*pparts)[i].name = names;
+ parts[i].name = names;
plen -= len;
names += len;
} else {
- (*pparts)[i].name = "unnamed";
+ parts[i].name = "unnamed";
}
part++;
}
+ *pparts = parts;
return nr_parts;
}
static struct mtd_part_parser ofoldpart_parser = {
- .owner = THIS_MODULE,
.parse_fn = parse_ofoldpart_partitions,
.name = "ofoldpart",
};