diff options
| author | Tien Fong Chee <tien.fong.chee@intel.com> | 2018-07-06 16:26:36 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-09-28 20:22:33 -0400 |
| commit | bc53d2637e5477ca3cd63ab942ef6038615a8e01 (patch) | |
| tree | 5aea0b1ec694e13cb95477adaa59d83cb463f468 /include/blk.h | |
| parent | 14dfc6482a9057472ea202d2df4133a45bc3c1bc (diff) | |
block: Add a function to find block device descriptor
Add a function to find the block device descriptor of the parent
device.
Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
[trini: Move function declaration to avoid warning]
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include/blk.h')
| -rw-r--r-- | include/blk.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/blk.h b/include/blk.h index 86f6d5057f..6af219681c 100644 --- a/include/blk.h +++ b/include/blk.h @@ -406,6 +406,15 @@ int blk_select_hwpart(struct udevice *dev, int hwpart); */ int blk_get_from_parent(struct udevice *parent, struct udevice **devp); +/** + * blk_get_by_device() - Get the block device descriptor for the given device + * @dev: Instance of a storage device + * + * Return: With block device descriptor on success , NULL if there is no such + * block device. + */ +struct blk_desc *blk_get_by_device(struct udevice *dev); + #else #include <errno.h> /* |