From: Jan Luebbe <jlu@xxxxxxxxxxxxxx>
This simplifies board code for partition setup by keeping track of the
offset.
Signed-off-by: Jan Luebbe <jlu@xxxxxxxxxxxxxx>
[ukl: change return type analogous to how devfs_add_partition was
changed in 121c3d6e9c2f (devfs: let devfs_add_partition return the new
partition).]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
fs/devfs-core.c | 9 +++++++++
include/driver.h | 6 ++++--
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/fs/devfs-core.c b/fs/devfs-core.c
index 44f0169e6324..c10345b3bfed 100644
--- a/fs/devfs-core.c
+++ b/fs/devfs-core.c
@@ -303,6 +303,15 @@ struct cdev *devfs_add_partition(const char *devname, loff_t offset, loff_t size
return new;
}
+struct cdev *devfs_append_partition(const char *devname, loff_t *offset,
+ loff_t size, int flags, const char *name)
+{
+ struct cdev *ret;
+ ret = devfs_add_partition(devname, *offset, size, flags, name);
+ *offset += size;
+ return ret;
+}
+
int devfs_del_partition(const char *name)
{
struct cdev *cdev;
diff --git a/include/driver.h b/include/driver.h
index bbe789b51ead..9fa94ae78ab2 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -487,8 +487,10 @@ int cdev_erase(struct cdev *cdev, size_t count, loff_t offset);
#define DEVFS_IS_PARTITION (1 << 2)
#define DEVFS_IS_CHARACTER_DEV (1 << 3)
-struct cdev *devfs_add_partition(const char *devname, loff_t offset, loff_t size,
- int flags, const char *name);
+struct cdev *devfs_add_partition(const char *devname, loff_t offset,
+ loff_t size, int flags, const char *name);
+struct cdev *devfs_append_partition(const char *devname, loff_t *offset,
+ loff_t size, int flags, const char *name);
int devfs_del_partition(const char *name);
#define DRV_OF_COMPAT(compat) \
--
1.8.5.3
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