This series adds a generic protect op to NVMEM core, enabling standardized write protection. This makes NVMEM behave more like other flash interfaces (e.g., CFI block protection), which helps with common tooling.
Oleksij Rempel (9): nvmem: Add 'protect' operation to core framework nvmem: rmem: add write and protect support commands: nvmem: Add support for creating dynamic rmem devices regmap: Add reg_seal operation for hardware protection nvmem: regmap: Implement protect operation using regmap_seal nvmem: bsec: Implement NVMEM protect via regmap_seal for OTP locking nvmem: rmem: ensure unique device name per instance fs: Report errors for out-of-bounds protect operations test: Add pytest suite for NVMEM framework commands/nvmem.c | 121 +++- drivers/base/regmap/internal.h | 2 + drivers/base/regmap/regmap.c | 30 + drivers/nvmem/bsec.c | 27 + drivers/nvmem/core.c | 32 + drivers/nvmem/partition.c | 7 + drivers/nvmem/regmap.c | 65 ++ drivers/nvmem/rmem.c | 87 ++- fs/fs.c | 6 +- include/driver.h | 3 + include/linux/nvmem-provider.h | 2 + include/linux/regmap.h | 33 ++ include/mach/stm32mp/bsec.h | 1 + test/py/test_nvmem.py | 1012 ++++++++++++++++++++++++++++++++ 14 files changed, 1418 insertions(+), 10 deletions(-) create mode 100644 test/py/test_nvmem.py -- 2.39.5
