Hi Weijie, On 2026-05-13T08:02:45, Weijie Gao <[email protected]> wrote: > env: ubi: add support to create environment volume if it does not exist > > When U-Boot is booting from a fresh device, the environment volume may not > exist in the factory UBI image. This is a common case where factory UBI > image contains only volumes with valid data. > > With the current design, even if the volume is created manually, the > environment will still be unusable (e.g., saveenv) before a reboot. > > This patch adds support to automatically create missing volumes before > loading environment. This will make environment available at first boot. > > There are two options: > CONFIG_ENV_UBI_VOLUME_CREATE: whether to enable volume creation > CONFIG_ENV_UBI_VOLUME_STATIC: create static volume (default is dynamic) > > Signed-off-by: Weijie Gao <[email protected]> > > env/Kconfig | 20 +++++++++++++++++++ > env/ubi.c | 65 > ++++++++++++++++++++++++++++++++++++++++++++++++++----------- > 2 files changed, 74 insertions(+), 11 deletions(-)
Reviewed-by: Simon Glass <[email protected]> > diff --git a/env/Kconfig b/env/Kconfig > @@ -716,6 +716,26 @@ config ENV_UBI_VOLUME_REDUND > +config ENV_UBI_VOLUME_CREATE > + bool "Create UBI volume if it does not exist" > + depends on ENV_IS_IN_UBI > + help > + This option is useful if U-Boot will be booted from a fresh device > + where the environment volume has not been created. > + This is a common case where factory UBI image contains only volumes > + with valid data. > + By enabling this option, any missing environment volumes will be > + created before loading. > + If CONFIG_ENV_UBI_VOLUME_REDUND is also enabled, both volumes will be > + created, Trailing comma should be a full stop. Also drop the CONFIG_ prefix - the Kconfig convention is to refer to the symbol as ENV_UBI_VOLUME_REDUND. Regards, Simon
