diff options
| author | Simon Glass <sjg@chromium.org> | 2023-01-17 10:48:09 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-01-23 18:11:41 -0500 |
| commit | 66e3dce78750f6fc4f6a402ce62c20ba95976dd1 (patch) | |
| tree | ea4d629072d737d7ddfcc88e9af34e83ca5960a9 /include/bootdev.h | |
| parent | eacc261178b9c8024cb8de89ee4ca6c68d80d96a (diff) | |
| download | u-boot-66e3dce78750f6fc4f6a402ce62c20ba95976dd1.tar.gz | |
bootstd: Allow hunting for a bootdev by label
Add a function to hunt for a bootdev label and find the bootdev produced
by the hunter (or already present).
Add a few extra flags so that we can distinguish between "mmc1", "mmc" and
"1" which all need to be handled differently.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/bootdev.h')
| -rw-r--r-- | include/bootdev.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/bootdev.h b/include/bootdev.h index 65d14f24686..b1e320a7d8e 100644 --- a/include/bootdev.h +++ b/include/bootdev.h @@ -316,6 +316,23 @@ int bootdev_hunt(const char *spec, bool show); */ int bootdev_hunt_prio(enum bootdev_prio_t prio, bool show); +/** + * bootdev_hunt_and_find_by_label() - Hunt for bootdevs by label + * + * Runs the hunter for the label, then tries to find the bootdev, possible + * created by the hunter + * + * @label: Label to look up (e.g. "mmc1" or "mmc0") + * @devp: Returns the bootdev device found, or NULL if none (note it does not + * return the media device, but its bootdev child) + * @method_flagsp: If non-NULL, returns any flags implied by the label + * (enum bootflow_meth_flags_t), 0 if none. Unset if function fails + * Return: 0 if OK, -EINVAL if the uclass is not supported by this board, + * -ENOENT if there is no device with that number + */ +int bootdev_hunt_and_find_by_label(const char *label, struct udevice **devp, + int *method_flagsp); + #if CONFIG_IS_ENABLED(BOOTSTD) /** * bootdev_setup_for_dev() - Bind a new bootdev device (deprecated) |