Re: [PATCH v2 0/2] Add efuse driver for Ingenic JZ4780 SoC

[Srinivas Kandagatla]

On 02/01/18 16:17, PrasannaKumar Muralidharan wrote:
> Hi Srinivas,
>
> On 2 January 2018 at 17:31, Srinivas Kandagatla
> <srinivas.kandagatla@xxxxxxxxxx> wrote:
> > On 28/12/17 21:29, Mathieu Malaterre wrote:
> > > This patchset bring support for read-only access to the JZ4780 efuse as
> > > found
> > > on MIPS Creator CI20.
> > >
> > > To keep the driver as simple as possible, it was not possible to re-use
> > > most of
> > > the nvmem core functionalities. This driver is not compatible with the
> > > original
> >
> > Can you explain a bit more on not able to re-use nvmem core?
> >
> > If you are referring to adding nvmem cell entires in sysfs, This should
> > probably go in to nvmem core, rather that in individual providers.
> > This is one of the feature my todo list, will try to come up with some thing
> > soon.
>
> We could not find a way to expose different sized segments using nvmem
> framework. Do you have any pointers for this?

This does not exist at the moment, but it should be very much doable to 
add this functionality to nvmem core.

I will keep you loop if I manage to post this patch soon.

--srini
> We were not aware of the fact that nvmem does not expose individual
> cell entries in sysfs.
>
> Regards,
> PrasannaKumar