[PATCH v6 00/11] mtd: cfi_cmdset_0002: Fix flash write issue for OpenWrt Project

[Tokunori Ikegami <ikegami.t@xxxxxxxxx>]

The change is based on the fix for flash erase to use chip_good() done in the past.
And it is fixed as same way in the OpenWrt Project as below.
  <https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=ddc11c3932c7b7b7df7d5fbd48f207e77619eaa7>
Also includes some refactoring changes.

Signed-off-by: Tokunori Ikegami <ikegami.t@xxxxxxxxx>
Cc: Fabio Bettoni <fbettoni@xxxxxxxxx>
Co: Hauke Mehrtens <hauke@xxxxxxxxxx>
Co: Koen Vandeputte <koen.vandeputte@xxxxxxxxxxxx>
Cc: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
Cc: Joakim Tjernlund <Joakim.Tjernlund@xxxxxxxxxxxx>
Cc: linux-mtd@xxxxxxxxxxxxxxxxxxx

Tokunori Ikegami (11):
  mtd: cfi_cmdset_0002: Use chip_good() to retry in do_write_oneword()
  mtd: cfi_cmdset_0002: Remove goto statement from do_write_buffer()
  mtd: cfi_cmdset_0002: Call xip_enable() once only in
    do_write_buffer().
  mtd: cfi_cmdset_0002: Split do_write_oneword() to reduce function size
  mtd: cfi_cmdset_0002: Split do_write_oneword() op_done goto statement
  mtd: cfi_cmdset_0002: Remove op_done goto statement from
    do_write_oneword()
  mtd: cfi_cmdset_0002: Remove retry goto statement from
    do_write_oneword()
  mtd: cfi_cmdset_0002: Split write-to-buffer-reset sequence
  mtd: cfi_cmdset_0002: Split to wait write buffer to check if completed
  mtd: cfi_cmdset_0002: Split do_write_oneword() to reduce exit paths
  mtd: cfi_cmdset_0002: Disable write buffer functions if
    FORCE_WORD_WRITE is 1

 drivers/mtd/chips/cfi_cmdset_0002.c | 288 ++++++++++++++++++++++--------------
 1 file changed, 180 insertions(+), 108 deletions(-)
 mode change 100644 => 100755 drivers/mtd/chips/cfi_cmdset_0002.c

-- 
2.11.0


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