enable_vpp / disable_vpp

Todd Poynor tpoynor at mvista.com
Wed May 4 19:00:20 EDT 2005


Sascha Hauer wrote:
> Hi all,
> 
> I'm using cfi_cmdset_0001.c (intel strata) on a custom pxa board. Our
> mapping driver implements enable_vpp and disable_vpp. We often receive
> "Chip reports voltage low on erase" errors. The driver seems to disable
> vpp during erase operations. If I short-ciruit the disable_vpp function
> everything works fine. A comment gives a hint on how to do this correct:
> 
> /* We should really make set_vpp() count, rather than doing this */
> 
> Is this feature planned for the future? 

One stab at this was
http://lists.infradead.org/pipermail/linux-mtd/2005-January/011517.html

comments or alternate suggestions would be welcome.  You can also modify 
your map driver to do this instead.

-- 
Todd




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