diff options
Diffstat (limited to 'drivers/mtd/cmdlinepart.c')
| -rw-r--r-- | drivers/mtd/cmdlinepart.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index ef24837..6b8bb2e 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -1,24 +1,24 @@ /* - * $Id: cmdlinepart.c,v 1.18 2005/06/07 15:04:26 joern Exp $ + * $Id: cmdlinepart.c,v 1.19 2005/11/07 11:14:19 gleixner Exp $ * * Read flash partition table from command line * * Copyright 2002 SYSGO Real-Time Solutions GmbH * * The format for the command line is as follows: - * + * * mtdparts=<mtddef>[;<mtddef] * <mtddef> := <mtd-id>:<partdef>[,<partdef>] * <partdef> := <size>[@offset][<name>][ro] * <mtd-id> := unique name used in mapping driver/device (mtd->name) * <size> := standard linux memsize OR "-" to denote all remaining space * <name> := '(' NAME ')' - * + * * Examples: - * + * * 1 NOR Flash, with 1 single writable partition: * edb7312-nor:- - * + * * 1 NOR Flash with 2 partitions, 1 NAND with one * edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home) */ @@ -60,17 +60,17 @@ static int cmdline_parsed = 0; /* * Parse one partition definition for an MTD. Since there can be many - * comma separated partition definitions, this function calls itself + * comma separated partition definitions, this function calls itself * recursively until no more partition definitions are found. Nice side * effect: the memory to keep the mtd_partition structs and the names * is allocated upon the last definition being found. At that point the * syntax has been verified ok. */ -static struct mtd_partition * newpart(char *s, +static struct mtd_partition * newpart(char *s, char **retptr, int *num_parts, - int this_part, - unsigned char **extra_mem_ptr, + int this_part, + unsigned char **extra_mem_ptr, int extra_mem_size) { struct mtd_partition *parts; @@ -102,7 +102,7 @@ static struct mtd_partition * newpart(char *s, mask_flags = 0; /* this is going to be a regular partition */ delim = 0; /* check for offset */ - if (*s == '@') + if (*s == '@') { s++; offset = memparse(s, &s); @@ -112,7 +112,7 @@ static struct mtd_partition * newpart(char *s, { delim = ')'; } - + if (delim) { char *p; @@ -131,12 +131,12 @@ static struct mtd_partition * newpart(char *s, name = NULL; name_len = 13; /* Partition_000 */ } - + /* record name length for memory allocation later */ extra_mem_size += name_len + 1; /* test for options */ - if (strncmp(s, "ro", 2) == 0) + if (strncmp(s, "ro", 2) == 0) { mask_flags |= MTD_WRITEABLE; s += 2; @@ -151,7 +151,7 @@ static struct mtd_partition * newpart(char *s, return NULL; } /* more partitions follow, parse them */ - if ((parts = newpart(s + 1, &s, num_parts, + if ((parts = newpart(s + 1, &s, num_parts, this_part + 1, &extra_mem, extra_mem_size)) == 0) return NULL; } @@ -187,7 +187,7 @@ static struct mtd_partition * newpart(char *s, extra_mem += name_len + 1; dbg(("partition %d: name <%s>, offset %x, size %x, mask flags %x\n", - this_part, + this_part, parts[this_part].name, parts[this_part].offset, parts[this_part].size, @@ -204,8 +204,8 @@ static struct mtd_partition * newpart(char *s, return parts; } -/* - * Parse the command line. +/* + * Parse the command line. */ static int mtdpart_setup_real(char *s) { @@ -230,7 +230,7 @@ static int mtdpart_setup_real(char *s) dbg(("parsing <%s>\n", p+1)); - /* + /* * parse one mtd. have it reserve memory for the * struct cmdline_mtd_partition and the mtd-id string. */ @@ -239,7 +239,7 @@ static int mtdpart_setup_real(char *s) &num_parts, /* out: number of parts */ 0, /* first partition */ (unsigned char**)&this_mtd, /* out: extra mem */ - mtd_id_len + 1 + sizeof(*this_mtd) + + mtd_id_len + 1 + sizeof(*this_mtd) + sizeof(void*)-1 /*alignment*/); if(!parts) { @@ -254,21 +254,21 @@ static int mtdpart_setup_real(char *s) } /* align this_mtd */ - this_mtd = (struct cmdline_mtd_partition *) + this_mtd = (struct cmdline_mtd_partition *) ALIGN((unsigned long)this_mtd, sizeof(void*)); - /* enter results */ + /* enter results */ this_mtd->parts = parts; this_mtd->num_parts = num_parts; this_mtd->mtd_id = (char*)(this_mtd + 1); strlcpy(this_mtd->mtd_id, mtd_id, mtd_id_len + 1); /* link into chain */ - this_mtd->next = partitions; + this_mtd->next = partitions; partitions = this_mtd; - dbg(("mtdid=<%s> num_parts=<%d>\n", + dbg(("mtdid=<%s> num_parts=<%d>\n", this_mtd->mtd_id, this_mtd->num_parts)); - + /* EOS - we're done */ if (*s == 0) @@ -292,7 +292,7 @@ static int mtdpart_setup_real(char *s) * 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, +static int parse_cmdline_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long origin) { @@ -322,7 +322,7 @@ static int parse_cmdline_partitions(struct mtd_info *master, part->parts[i].size = master->size - offset; if (offset + part->parts[i].size > master->size) { - printk(KERN_WARNING ERRP + printk(KERN_WARNING ERRP "%s: partitioning exceeds flash size, truncating\n", part->mtd_id); part->parts[i].size = master->size - offset; @@ -338,8 +338,8 @@ static int parse_cmdline_partitions(struct mtd_info *master, } -/* - * This is the handler for our kernel parameter, called from +/* + * This is the handler for our kernel parameter, called from * main.c::checksetup(). Note that we can not yet kmalloc() anything, * so we only save the commandline for later processing. * |
