int yaffs_parse_cmdline_partitions(struct mtd_partition *current, unsigned long long mastersize)
{
unsigned long offset;
int i;
struct cmdline_mtd_partition *part;
cmdline = get_mtdparts();
/* parse command line */
if (!cmdline_parsed) {
mtdpart_setup_real(cmdline);
for (i = current_part, offset = 0; i < MTDPARTITION_MAX; i ++) {
if (realpart[i].offset == OFFSET_CONTINUOUS)
realpart[i].offset = offset;
else
offset = realpart[i].offset;
if (realpart[i].size == SIZE_REMAINING)
realpart[i].size = mastersize - offset;
if (offset + realpart[i].size > mastersize) {
printf("partitioning exceeds flash size, truncating\n");
realpart[i].size = mastersize - offset;
}
offset += realpart[i].size;
/*printf("realpart %02d : offset %08x, size %08x name %14s\n",
(i - current_part),
realpart[i].offset,
realpart[i].size,
realpart[i].name);*/
}
}
for (i = current_part; i < MTDPARTITION_MAX; i ++) {
if (realpart[i].offset == current->offset) {
current->size = realpart[i].size;
strcpy(current->name, realpart[i].name);
return 0;
}
if (strcmp(realpart[i].name, current->name) == 0) {
current->size = realpart[i].size;
current->offset = realpart[i].offset;
return 0;
}
}
return 1;
}
static int parse_cmdline_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long origin)
#endif
{
unsigned long offset;
int i;
struct cmdline_mtd_partition *part;
#if ((!defined(CONFIG_MSTAR_NAND) && !defined(CONFIG_MSTAR_SPI_NAND)) || MP_NAND_MTD != 1)
const char *mtd_id = master->name;
#endif
/* parse command line */
if (!cmdline_parsed)
mtdpart_setup_real(cmdline);
for(part = partitions; part; part = part->next)
{
#if (defined(CONFIG_MSTAR_NAND) || defined(CONFIG_MSTAR_SPI_NAND)) && (MP_NAND_MTD == 1)
#else
if ((!mtd_id) || (!strcmp(part->mtd_id, mtd_id)))
#endif
{
for(i = 0, offset = 0; i < part->num_parts; i++)
{
if (part->parts[i].offset == OFFSET_CONTINUOUS)
part->parts[i].offset = offset;
else
offset = part->parts[i].offset;
if (part->parts[i].size == SIZE_REMAINING)
part->parts[i].size = master->size - offset;
if (offset + part->parts[i].size > master->size)
{
printk(KERN_WARNING ERRP
"%s: partitioning exceeds flash size, truncating\n",
part->mtd_id);
part->parts[i].size = master->size - offset;
part->num_parts = i;
}
offset += part->parts[i].size;
}
*pparts = kmemdup(part->parts,
sizeof(*part->parts) * part->num_parts,
GFP_KERNEL);
if (!*pparts)
return -ENOMEM;
return part->num_parts;
}
}
return 0;
}
/*
* Main function to be called from the MTD mapping driver/device to
* obtain the partitioning information. At this point the command line
* arguments will actually be parsed and turned to struct mtd_partition
* information. It returns partitions for the requested mtd device, or
* the first one in the chain if a NULL mtd_id is passed in.
*/
static int parse_cmdline_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long origin)
{
unsigned long offset;
int i;
struct cmdline_mtd_partition *part;
char *mtd_id = master->name;
if(!cmdline)
return -EINVAL;
/* parse command line */
if (!cmdline_parsed)
mtdpart_setup_real(cmdline);
for(part = partitions; part; part = part->next)
{
if ((!mtd_id) || (!strcmp(part->mtd_id, mtd_id)))
{
for(i = 0, offset = 0; i < part->num_parts; i++)
{
if (!part->parts[i].offset)
part->parts[i].offset = offset;
else
offset = part->parts[i].offset;
if (part->parts[i].size == SIZE_REMAINING)
part->parts[i].size = master->size - offset;
if (offset + part->parts[i].size > master->size)
{
printk(KERN_WARNING ERRP
"%s: partitioning exceeds flash size, truncating\n",
part->mtd_id);
part->parts[i].size = master->size - offset;
part->num_parts = i;
}
offset += part->parts[i].size;
}
*pparts = part->parts;
return part->num_parts;
}
}
return -EINVAL;
}
/*
* Main function to be called from the MTD mapping driver/device to
* obtain the partitioning information. At this point the command line
* arguments will actually be parsed and turned to struct mtd_partition
* information. It returns partitions for the requested mtd device, or
* the first one in the chain if a NULL mtd_id is passed in.
*/
static int parse_cmdline_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
unsigned long offset;
int i;
struct cmdline_mtd_partition *part;
const char *mtd_id = master->name;
/* parse command line */
if (!cmdline_parsed)
mtdpart_setup_real(cmdline);
for(part = partitions; part; part = part->next)
{
if ((!mtd_id) || (!strcmp(part->mtd_id, mtd_id)))
{
for(i = 0, offset = 0; i < part->num_parts; i++)
{
if (part->parts[i].offset == OFFSET_CONTINUOUS)
part->parts[i].offset = offset;
else
offset = part->parts[i].offset;
if (part->parts[i].size == SIZE_REMAINING)
part->parts[i].size = master->size - offset;
if (offset + part->parts[i].size > master->size)
{
printk(KERN_WARNING ERRP
"%s: partitioning exceeds flash size, truncating\n",
part->mtd_id);
part->parts[i].size = master->size - offset;
part->num_parts = i;
}
offset += part->parts[i].size;
}
*pparts = kmemdup(part->parts,
sizeof(*part->parts) * part->num_parts,
GFP_KERNEL);
if (!*pparts)
return -ENOMEM;
return part->num_parts;
}
}
return 0;
}
/*
* Main function to be called from the MTD mapping driver/device to
* obtain the partitioning information. At this point the command line
* arguments will actually be parsed and turned to struct mtd_partition
* information. It returns partitions for the requested mtd device, or
* the first one in the chain if a NULL mtd_id is passed in.
*/
static int parse_cmdline_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
unsigned long long offset;
int i, err;
struct cmdline_mtd_partition *part;
const char *mtd_id = master->name;
/* parse command line */
if (!cmdline_parsed) {
err = mtdpart_setup_real(cmdline);
if (err)
return err;
}
/*
* Search for the partition definition matching master->name.
* If master->name is not set, stop at first partition definition.
*/
for (part = partitions; part; part = part->next) {
if ((!mtd_id) || (!strcmp(part->mtd_id, mtd_id)))
break;
}
if (!part)
return 0;
for (i = 0, offset = 0; i < part->num_parts; i++) {
if (part->parts[i].offset == OFFSET_CONTINUOUS)
part->parts[i].offset = offset;
else
offset = part->parts[i].offset;
if (part->parts[i].size == SIZE_REMAINING)
part->parts[i].size = master->size - offset;
if (offset + part->parts[i].size > master->size) {
pr_warn("%s: partitioning exceeds flash size, truncating\n",
part->mtd_id);
part->parts[i].size = master->size - offset;
}
offset += part->parts[i].size;
if (part->parts[i].size == 0) {
pr_warn("%s: skipping zero sized partition\n",
part->mtd_id);
part->num_parts--;
memmove(&part->parts[i], &part->parts[i + 1],
sizeof(*part->parts) * (part->num_parts - i));
i--;
}
}
*pparts = kmemdup(part->parts, sizeof(*part->parts) * part->num_parts,
GFP_KERNEL);
if (!*pparts)
return -ENOMEM;
return part->num_parts;
}
