[PATCH] cfi: Fixup of write errors on XIP

[Nicolas Pitre]

On Tue, 21 Mar 2006, Alexey, Korolev wrote:

> > But the thing is, if you look at get_chip(), you'll see that nothing can
> > go and erase another flash sector when a write is suspended.  In other
> > words, completion of a write operation always has priority on any erase
> > attempt.  So the problem you're describing may not be due to any erase
> > delay occurring in another thread.
> > 
> Oh. Seems if XIP while write is happened get chip will not allow to erase?

An erase request will never proceed if a write operation is pending.  
And this is true whether you have XIP or not.  The rational is that 
writes are significantly faster than erases so they should complete 
before any erase is started.


Nicolas