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| author | Oliver Schinagl <oliver@schinagl.nl> | 2011-02-26 12:16:43 (GMT) |
|---|---|---|
| committer | Oliver Schinagl <oliver@schinagl.nl> | 2011-02-26 12:16:43 (GMT) |
| commit | edb45850f53478c7779484105c30f8df0a3a3782 (patch) | |
| tree | 26e758b463e03475be4d214aeb17c6517b01a83e /linux-2.4.x/drivers/mtd/mtdpart.c | |
| parent | ba6dc76a789f33fc999bbd24fe8af5b856f90085 (diff) | |
| download | openipcam-edb45850f53478c7779484105c30f8df0a3a3782.zip openipcam-edb45850f53478c7779484105c30f8df0a3a3782.tar.gz openipcam-edb45850f53478c7779484105c30f8df0a3a3782.tar.bz2 | |
2.4.20-uc0 uClinux patch added
Diffstat (limited to 'linux-2.4.x/drivers/mtd/mtdpart.c')
| -rw-r--r-- | linux-2.4.x/drivers/mtd/mtdpart.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/linux-2.4.x/drivers/mtd/mtdpart.c b/linux-2.4.x/drivers/mtd/mtdpart.c index 58142a9..2453697 100644 --- a/linux-2.4.x/drivers/mtd/mtdpart.c +++ b/linux-2.4.x/drivers/mtd/mtdpart.c @@ -85,6 +85,18 @@ static int part_write (struct mtd_info *mtd, loff_t to, size_t len, len, retlen, buf); } +static int part_point (struct mtd_info *mtd, loff_t off, size_t len, + size_t *retlen, u_char **buf) +{ + struct mtd_part *part = PART(mtd); + if (off >= mtd->size) + len = 0; + else if (off + len > mtd->size) + len = mtd->size - off; + return part->master->point (part->master, off + part->offset, len, + retlen, buf); +} + static int part_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf) { @@ -245,6 +257,10 @@ int add_mtd_partitions(struct mtd_info *master, slave->mtd.suspend = part_suspend; slave->mtd.resume = part_resume; } + + if (master->point) + slave->mtd.point = part_point; + if (master->writev) slave->mtd.writev = part_writev; if (master->readv) |