linux-kernel - Re: [PATCH] clk: tegra: use pll_ref as the pll

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20131031154142.GX22111@tbergstrom-lnx.Nvidia.com>
Date:	Thu, 31 Oct 2013 17:41:42 +0200
From:	Peter De Schrijver <pdeschrijver@...dia.com>
To:	Stephen Warren <swarren@...dotorg.org>
CC:	Mike Turquette <mturquette@...aro.org>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Mark Zhang <markz@...dia.com>,
	Thierry Reding <treding@...dia.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] clk: tegra: use pll_ref as the pll_e parent

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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/