On Sat, Jun 11, 2022 at 12:56:04AM +0900, Tokunori Ikegami wrote:
> Since commit dfeae1073583("mtd: cfi_cmdset_0002: Change write buffer to
> check correct value") buffered writes fail on S29GL064N. This is
> because, on S29GL064N, reads return 0xFF at the end of DQ polling for
> write completion, where as, chip_good() check expects actual data
> written to the last location to be returned post DQ polling completion.
> Fix is to revert to using chip_good() for S29GL064N which only checks
> for DQ lines to settle down to determine write completion.
>
> Link: https://lore.kernel.org/r/b687c259-6413-26c9-d4c9-b3afa69ea124@xxxxxxxxxxxxxx/
> Fixes: dfeae1073583("mtd: cfi_cmdset_0002: Change write buffer to check correct value")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Tokunori Ikegami <ikegami.t@xxxxxxxxx>
> Acked-by: Vignesh Raghavendra <vigneshr@xxxxxx>
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> Link: https://lore.kernel.org/linux-mtd/20220323170458.5608-3-ikegami.t@xxxxxxxxx
> ---
> drivers/mtd/chips/cfi_cmdset_0002.c | 42 +++++++++++++++++++++++------
> include/linux/mtd/cfi.h | 1 +
> 2 files changed, 35 insertions(+), 8 deletions(-)
All now queued up, thanks.
greg k-h
