diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2013-01-06 16:08:36 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2013-02-04 09:26:30 +0200 |
| commit | 396afe553bd607dca4d28b00b6cab2ea826acba2 (patch) | |
| tree | 00035515e57af158b93944a48d3779255c8fd15b /drivers/mtd/bcm47xxpart.c | |
| parent | 648bdbee5d2cc3ff27370d05e7577ade8496bfd0 (diff) | |
| download | linux-next-396afe553bd607dca4d28b00b6cab2ea826acba2.tar.gz | |
mtd: bcm47xxpart: register extra "firmware" partition
It's required for accessing trx header (usually re-calculating a
checksum) and for writing a new firmware.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Diffstat (limited to 'drivers/mtd/bcm47xxpart.c')
| -rw-r--r-- | drivers/mtd/bcm47xxpart.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c index 06125eb59f14..3411bc2a1482 100644 --- a/drivers/mtd/bcm47xxpart.c +++ b/drivers/mtd/bcm47xxpart.c @@ -61,6 +61,8 @@ static int bcm47xxpart_parse(struct mtd_info *master, uint32_t offset; uint32_t blocksize = 0x10000; struct trx_header *trx; + int trx_part = -1; + int last_trx_part = -1; /* Alloc */ parts = kzalloc(sizeof(struct mtd_partition) * BCM47XXPART_MAX_PARTS, @@ -131,6 +133,10 @@ static int bcm47xxpart_parse(struct mtd_info *master, if (buf[0x000 / 4] == TRX_MAGIC) { trx = (struct trx_header *)buf; + trx_part = curr_part; + bcm47xxpart_add_part(&parts[curr_part++], "firmware", + offset, 0); + i = 0; /* We have LZMA loader if offset[2] points to sth */ if (trx->offset[2]) { @@ -154,6 +160,8 @@ static int bcm47xxpart_parse(struct mtd_info *master, offset + trx->offset[i], 0); i++; + last_trx_part = curr_part - 1; + /* * We have whole TRX scanned, skip to the next part. Use * roundown (not roundup), as the loop will increase @@ -174,6 +182,9 @@ static int bcm47xxpart_parse(struct mtd_info *master, parts[i + 1].offset : master->size; parts[i].size = next_part_offset - parts[i].offset; + if (i == last_trx_part && trx_part >= 0) + parts[trx_part].size = next_part_offset - + parts[trx_part].offset; } *pparts = parts; |