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

From: Stephen Warren
Date: Thu Oct 31 2013 - 12:41:32 EST

On 10/31/2013 09:41 AM, Peter De Schrijver wrote:
> 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.

OK, so this is primarily a SW issue, because pll_e's freq_table simply
doesn't have an entry for input frequency 300MHz. Can you make sure the
commit description explains that?
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