Re: [PATCH] clk: tegra: use pll_ref as the pll_e parent

From: Peter De Schrijver
Date: Thu Oct 31 2013 - 11:41:57 EST


On Wed, Oct 30, 2013 at 11:50:03PM +0100, Stephen Warren wrote:
> On 10/30/2013 04:18 PM, Peter De Schrijver wrote:
> > On Wed, Oct 30, 2013 at 04:41:41PM +0100, Stephen Warren wrote:
> >> On 10/29/2013 06:41 PM, Peter De Schrijver wrote:
> >>> Use pll_ref instead of pll_re_vco as the pll_e parent on Tegra114 and
> >>> Tegra124. Also add a pll_ref table entry for pll_e for Tegra114.
> >>
> >> Why? What benefit does this give, or what bug does this fix?
> >
> > Otherrwise Tegra114 will crash on boot.
>
> Sigh. For what reason?

pll_re_vco having an unsupported rate of 300Mhz. My guess is that it depends
on the bootloader if you will see this. I'm fairly sure I verified this on
my dalmore in helsinki and it worked, but it failed on Paul's test setup.

Cheers,

Peter.
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