Support of Micron SPI flash (size > 16MB)

[Huang Shijie]

于 2014年05月16日 16:15, Mingkai.Hu at freescale.com 写道:
> Another question is for erase and program command. From the datasheet, not only the WTITE
> ENABLE command need to be issued before the command can be executed, but also a special
> READ FLAG STATUS RESISTER command need to be issued after the erase/program command which
> is not implemented in the upstream code. We implement the READ flag operation and erase
> can work, but write still fail.
>
> I saw somebody has added the Micron larger SPI flash (>16Mb) support, so I'd like to know
> if they run into such issue.
Yes, we have noticed this issue:

Please see this patch:
http://lists.infradead.org/pipermail/linux-mtd/2014-April/053571.html

thanks
Huang Shijie