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| author |   Joe Schaack <jschaack@xes-inc.com> | 2013-02-21 16:29:45 -0600 |
|---|---|---|
| committer |   David Woodhouse <David.Woodhouse@intel.com> | 2013-04-05 12:05:53 +0100 |
| commit | 05ff8c258c76dd469232a03ec8d45f7e7267e0ac (patch) | |
| tree | bbecfe3fc604264c90c6037477120d520d594ef4 /drivers/mtd/ofpart.c | |
| parent | mtd: m25p80: n25q064 is Micron, not Intel/Numonyx (diff) | |
| download | linux-dev-05ff8c258c76dd469232a03ec8d45f7e7267e0ac.tar.xz linux-dev-05ff8c258c76dd469232a03ec8d45f7e7267e0ac.zip | |
mtd: ofpart: support partitions of 4 GiB and larger
Previously, partitions were limited to less than 4 GiB in size because
the address and size were read as 32-bit values. Add support for 64-bit
values to support devices of 4 GiB and larger.
Signed-off-by: Joe Schaack <jschaack@xes-inc.com>
Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/ofpart.c')
| -rw-r--r-- | drivers/mtd/ofpart.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 30bd907a260a..553d6d6d5603 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -55,6 +55,7 @@ static int parse_ofpart_partitions(struct mtd_info *master, while ((pp = of_get_next_child(node, pp))) { const __be32 *reg; int len; + int a_cells, s_cells; reg = of_get_property(pp, "reg", &len); if (!reg) { @@ -62,8 +63,10 @@ static int parse_ofpart_partitions(struct mtd_info *master, continue; } - (*pparts)[i].offset = be32_to_cpu(reg[0]); - (*pparts)[i].size = be32_to_cpu(reg[1]); + a_cells = of_n_addr_cells(pp); + s_cells = of_n_size_cells(pp); + (*pparts)[i].offset = of_read_number(reg, a_cells); + (*pparts)[i].size = of_read_number(reg + a_cells, s_cells); partname = of_get_property(pp, "label", &len); if (!partname) |