[U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value

[Marek Vasut]

Dear Otavio Salvador,

> On Fri, Apr 26, 2013 at 5:58 PM, Marek Vasut <marex at denx.de> wrote:
> > Dear Otavio Salvador,
> > 
> >> On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam <festevam at gmail.com> wrote:
> >> > On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut <marex at denx.de> wrote:
> >> >> strange at best and I don't like it. I think that's also the source
> >> >> of our problems, the DRAM suffers undervolt and quickly afterwards
> >> >> is configured for regular operation ... I'd say check
> >> >> mx23_mem_setup_vddmem() and inspect the result with a scope. I think
> >> >> we need some slow ramping function like mxs_power_set_vddx().
> >> > 
> >> > Ok, but can we have this patch applied and do this investigation in
> >> > parallel?
> >> > 
> >> > At least we could have U-boot usable on mx23 again.
> >> 
> >> I also vote for it to be applied and then do this investigation in
> >> parallel. Even if there're still pending issues it does improve the
> >> current status.
> > 
> > But someone has to do this! And so far I see noone capable/willing to do
> > that :(
> 
> Oh really? Fabio, other people and me are doing it. We have some
> people helping to debug it and using their time to help testing it so
> it seems like a false accusation.

it == grabbing a scope and doing the real measurement :(

> So as I said, I see no reason to not get this patch in for now.

I am not against in per-se. I am worried noone will come up with real fix when 
there is a "good enough plaster" put on to cover the real problem.

Best regards,
Marek Vasut