[PATCH v3 0/5] Add helper for security policies

[Fabian Pflug <f.pflug@pengutronix.de>]

This series adds helper functions to the security policy framework to
do additional work based on the selected policy.
Like adding the policy name to the commandline and configuring pinmux
based on the selected policy.

Signed-off-by: Fabian Pflug <f.pflug@pengutronix.de>
---
Changes in v3:
- replaced while loop with of_tree_for_each_node_from
- removed unsused variable definition in base.c
- Link to v2: https://lore.barebox.org/barebox/20260316-v2026-02-0-topic-sconfig_console-v2-0-1eee8c762beb@pengutronix.de

Changes in v2:
- Add of_property_write_string_array function
- Add selftest for of_property_write_string_array
- Add exra-check for active-policy
- Use "linux.bootargs.dyn.policy" instead of version without dyn
- Iterate over device-nodes instead of recurse through tree
- Link to v1: https://lore.barebox.org/barebox/20260312-v2026-02-0-topic-sconfig_console-v1-0-4c3fccafab1e@pengutronix.de

---
Fabian Pflug (5):
      of: add of_property_write_string_array()
      common: bootm: add policy to commandline
      security: policy: set active policy on boot
      security: configure pinctrl based on policy name
      security: kernel_pinctrl: fixup pinctrl in kernel dts

 common/bootm.c                | 23 ++++++++++++++++++
 drivers/base/driver.c         | 12 +++++++++-
 drivers/of/base.c             | 43 +++++++++++++++++++++++++++++++++
 include/bootm.h               |  5 ++++
 include/of.h                  |  3 +++
 security/Kconfig.policy       |  8 +++++++
 security/Makefile             |  1 +
 security/kernel_pinctrl.c     | 56 +++++++++++++++++++++++++++++++++++++++++++
 security/policy.c             | 15 ++++++++++++
 test/self/of_manipulation.c   | 14 ++++++++++-
 test/self/of_manipulation.dts |  5 ++++
 11 files changed, 183 insertions(+), 2 deletions(-)
---
base-commit: 1d386a53086d28a0c4eda138ae9408a418b97b7e
change-id: 20260311-v2026-02-0-topic-sconfig_console-194842a14e1d

Best regards,
-- 
Fabian Pflug <f.pflug@pengutronix.de>