diff options
Diffstat (limited to 'common/partition.c')
| -rw-r--r-- | common/partition.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/common/partition.c b/common/partition.c index 5e9297df87..b3b27d5ded 100644 --- a/common/partition.c +++ b/common/partition.c @@ -44,6 +44,22 @@ static int part_erase(struct device_d *dev, size_t count, unsigned long offset) return -1; } +static int part_memmap(struct device_d *dev, void **map, int flags) +{ + struct partition *part = dev->type_data; + int ret; + + if (part->physdev->driver->memmap) { + ret = part->physdev->driver->memmap(part->physdev, map, flags); + if (ret) + return ret; + *map = (void *)((unsigned long)*map + part->offset); + return 0; + } + + return -1; +} + static ssize_t part_read(struct device_d *dev, void *buf, size_t count, unsigned long offset, ulong flags) { struct partition *part = dev->type_data; @@ -82,6 +98,7 @@ struct driver_d part_driver = { .read = part_read, .write = part_write, .erase = part_erase, + .memmap = part_memmap, }; static int partition_init(void) |