Am 2020-09-12 00:26, schrieb Michael Walle:
This patchset implements the MTD OTP functions to allow access to the
SPI
OTP data. Specific support is added for the Adesto, Macronix and
Winbond
flash chips.
In the past there was already an attempt by Rahul Bedarkar to add this,
but
there was no response. These patches are slightly based on his work.
https://lore.kernel.org/linux-mtd/[email protected]/
I've missed appending the changelog:
changes since v1:
- rebased to latest tree
- correctly check return code of otp_ops->is_locked() in
spi_nor_mtd_otp_info()
- use correct bouncebuf for spi command in spi_nor_otp_lock_sr2()
- add cleanup patch to consolidate some of the "if (spimem) {} else {}"
patterns
- add otp support for macronix and similar flashes
- moved otp code into core.c because it is used across different
vendors
- use generic naming, eg. spi_nor_otp_lock_sr2() instead of
winbond_otp_lock()
-michael
Michael Walle (4):
mtd: spi-nor: cleanup common code
mtd: spi-nor: add OTP support
mtd: spi-nor: implement OTP support for Macronix and similar flashes
mtd: spi-nor: implement OTP support for Winbond and similar flashes
drivers/mtd/chips/Kconfig | 2 +-
drivers/mtd/spi-nor/atmel.c | 13 +-
drivers/mtd/spi-nor/core.c | 769 ++++++++++++++++++++++++---------
drivers/mtd/spi-nor/core.h | 61 +++
drivers/mtd/spi-nor/macronix.c | 13 +-
drivers/mtd/spi-nor/winbond.c | 18 +-
include/linux/mtd/spi-nor.h | 16 +
7 files changed, 676 insertions(+), 216 deletions(-)
