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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2008-08-14 09:28:10 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-08-14 09:28:10 +0200 |
| commit | 65778b63d2f0b6d5b3405010eedc72271bce20e0 (patch) | |
| tree | c4c3e859387a3dce7da811edff04a3b79cb9f5fd /common/partition.c | |
| parent | 59f72431f42753e1f61bd19176eb67029e2ef77c (diff) | |
| download | barebox-65778b63d2f0b6d5b3405010eedc72271bce20e0.tar.gz barebox-65778b63d2f0b6d5b3405010eedc72271bce20e0.tar.xz | |
Partition: Add an own device id for partitions
Add an own device id for partitions. This is necessary to allow
the partition layer to check if the given device is really a partition.
Also, check for readonly flag in erase.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/partition.c')
| -rw-r--r-- | common/partition.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/common/partition.c b/common/partition.c index 8804fdb7c3..bb946383d3 100644 --- a/common/partition.c +++ b/common/partition.c @@ -59,6 +59,7 @@ struct device_d *dev_add_partition(struct device_d *dev, unsigned long offset, part->device.map_base = dev->map_base + offset; part->device.size = size; part->device.type_data = part; + part->device.type = DEVICE_TYPE_PARTITION; get_free_deviceid(part->device.id, name); part->offset = offset; @@ -71,6 +72,7 @@ struct device_d *dev_add_partition(struct device_d *dev, unsigned long offset, if (part->device.driver) return &part->device; + unregister_device(&part->device); free(part); return 0; } @@ -87,6 +89,9 @@ static int part_erase(struct device_d *dev, size_t count, unsigned long offset) { struct partition *part = dev->type_data; + if (part->flags & PARTITION_READONLY) + return -EROFS; + return dev_erase(part->physdev, count, offset + part->offset); } @@ -246,6 +251,7 @@ struct driver_d part_driver = { .erase = part_erase, .protect= part_protect, .memmap = part_memmap, + .type = DEVICE_TYPE_PARTITION, }; static int partition_init(void) |