Hi,
These are an assortment of fixes and updates to the SPI NOR lock/unlock
feature. The biggest new features are:
(a) Status Register protection; I don't see why this shouldn't be enabled by
default. See patch 4's description.
(b) Bottom-block protection support (via TB status bit)
(c) Lock/unlock support for a few Winbond flash
Patch 7 (Top/Bottom protection support) is still an RFC, as I think it deserves
a bit more work. But I'm just getting it out there, as it's been sitting on my
plate for a while.
Regards,
Brian
Brian Norris (8):
mtd: spi-nor: wait for SR_WIP to clear on initial unlock
mtd: spi-nor: guard against underflows in stm_is_locked_sr
mtd: spi-nor: silently drop lock/unlock for already locked/unlocked
region
mtd: spi-nor: disallow further writes to SR if WP# is low
mtd: spi-nor: use BIT() for flash_info flags
mtd: spi-nor: add SPI_NOR_HAS_LOCK flag
mtd: spi-nor: add TB (Top/Bottom) protect support
mtd: spi-nor: support lock/unlock for a few Winbond chips
drivers/mtd/spi-nor/spi-nor.c | 153 +++++++++++++++++++++++++++++++++--------
include/linux/mtd/spi-nor.h | 2 +
2 files changed, 128 insertions(+), 27 deletions(-)
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1.7.9.5
