barebox-state: state_backend_raw_file: factor out get_size() into separate function ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: backend_raw: properly align write and erase size ...

On Linux the ease and write size have to be aligned. This patch uses step_size
(which is already aligned to erase block size) during erase, aligns full_size
to writesize and uses it while writing.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: fix export of shell variables: ...

- convert "." in variable names to "_"
- use supplied state name instead of hardcoded "STATE_" as prefix
- let OPT_DUMP_SHELL start after all chars

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: initialzie: adjust code to fit doc ...

This patch changes the -i, --init parameter to initialize the state storage and
_not_ load the contents. The original behaviour was to load and not fail on
error.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: mtd_get_meminfo: open path read-only instead of RW ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: state_new_from_node(): use supplied state name, not hardcoded "state" ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: update error message ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: add short opt "-i" to help text ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: cleanup header files ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

barebox-state: import from barebox ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

package+lib: rename dt -> dt-utils, state -> barebox-state ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>