Hello,
This series aims at simplifying erase handling both in MTD drivers and
MTD users code.
Historically, the erase operation has been designed to be asynchronous,
which, in theory, is a good thing since erasing a block usually takes
longer that reading/writing to a flash. In practice, all drivers are
implementing ->_erase() in a synchronous manner. Moreover, both drivers
and users are inconsistently updating/checking the erase_info fields.
In order to simplify things, let's assume ->_erase() is and will always
be synchronous. This also make error code checking more consistent and
allows us to get rid of a few hundred lines of code.
Regards,
Boris
Boris Brezillon (5):
mtd: Initialize ->fail_addr early in mtd_erase()
mtd: Get rid of unused fields in struct erase_info
mtd: Stop assuming mtd_erase() is asynchronous
mtd: Unconditionally update ->fail_addr and ->addr in part_erase()
mtd: Stop updating erase_info->state and calling mtd_erase_callback()
drivers/mtd/chips/cfi_cmdset_0001.c | 16 +-----
drivers/mtd/chips/cfi_cmdset_0002.c | 26 ++-------
drivers/mtd/chips/cfi_cmdset_0020.c | 3 --
drivers/mtd/chips/map_ram.c | 2 -
drivers/mtd/devices/bcm47xxsflash.c | 12 +----
drivers/mtd/devices/block2mtd.c | 7 +--
drivers/mtd/devices/docg3.c | 16 +-----
drivers/mtd/devices/lart.c | 4 --
drivers/mtd/devices/mtd_dataflash.c | 4 --
drivers/mtd/devices/mtdram.c | 2 -
drivers/mtd/devices/phram.c | 2 -
drivers/mtd/devices/pmc551.c | 2 -
drivers/mtd/devices/powernv_flash.c | 11 +---
drivers/mtd/devices/slram.c | 2 -
drivers/mtd/devices/spear_smi.c | 3 --
drivers/mtd/devices/sst25l.c | 3 --
drivers/mtd/devices/st_spi_fsm.c | 4 --
drivers/mtd/ftl.c | 52 +++---------------
drivers/mtd/inftlmount.c | 8 ++-
drivers/mtd/lpddr/lpddr2_nvm.c | 10 +---
drivers/mtd/lpddr/lpddr_cmds.c | 2 -
drivers/mtd/mtdblock.c | 21 --------
drivers/mtd/mtdchar.c | 34 +-----------
drivers/mtd/mtdconcat.c | 48 +----------------
drivers/mtd/mtdcore.c | 17 +++---
drivers/mtd/mtdoops.c | 20 -------
drivers/mtd/mtdpart.c | 23 ++------
drivers/mtd/mtdswap.c | 34 ------------
drivers/mtd/nand/nand_base.c | 16 ++----
drivers/mtd/nand/nand_bbt.c | 1 -
drivers/mtd/nftlmount.c | 5 +-
drivers/mtd/onenand/onenand_base.c | 17 ------
drivers/mtd/rfd_ftl.c | 93 ++++++++++----------------------
drivers/mtd/sm_ftl.c | 19 -------
drivers/mtd/sm_ftl.h | 4 --
drivers/mtd/spi-nor/spi-nor.c | 3 --
drivers/mtd/tests/mtd_test.c | 5 --
drivers/mtd/tests/speedtest.c | 7 ---
drivers/mtd/ubi/gluebi.c | 3 --
drivers/mtd/ubi/io.c | 36 -------------
drivers/net/ethernet/sfc/falcon/mtd.c | 11 +---
drivers/net/ethernet/sfc/mtd.c | 11 +---
drivers/staging/goldfish/goldfish_nand.c | 3 --
fs/jffs2/erase.c | 37 ++-----------
include/linux/mtd/mtd.h | 19 +------
45 files changed, 79 insertions(+), 599 deletions(-)
--
2.14.1