> -----Original Message----- > From: Huang Shijie [mailto:[email protected]] > Sent: Friday, May 16, 2014 4:33 PM > To: Hu Mingkai-B21284 > Cc: Brian Norris; Mark Brown; [email protected]; linux- > [email protected]; [email protected]; > [email protected] > Subject: Re: Support of Micron SPI flash (size > 16MB) > > 于 2014年05月16日 16:15, [email protected] 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 for your info, Shijie. We implemented this in a similar way.
Thanks, Mingkai
