diff options
Diffstat (limited to 'include/blk.h')
| -rw-r--r-- | include/blk.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/blk.h b/include/blk.h index bbff057aed..b453b5a602 100644 --- a/include/blk.h +++ b/include/blk.h @@ -515,6 +515,18 @@ const char *blk_get_devtype(struct udevice *dev); */ struct blk_desc *blk_get_by_device(struct udevice *dev); +/** + * blk_get_desc() - Get the block device descriptor for the given device number + * + * @uclass_id: Interface type + * @devnum: Device number (0 = first) + * @descp: Returns block device descriptor on success + * Return: 0 on success, -ENODEV if there is no such device and no device + * with a higher device number, -ENOENT if there is no such device but there + * is one with a higher number, or other -ve on other error. + */ +int blk_get_desc(enum uclass_id uclass_id, int devnum, struct blk_desc **descp); + #else #include <errno.h> /* |