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Message-ID: <98bfea14-de25-e764-94b4-2f0dd687149a@wwwdotorg.org>
Date: Thu, 22 Feb 2018 16:47:56 -0700
From: Stephen Warren <swarren@...dotorg.org>
To: Marcel Ziswiler <marcel@...wiler.com>
Cc: linux-tegra@...r.kernel.org, Dmitry Osipenko <digetx@...il.com>,
Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Thierry Reding <thierry.reding@...il.com>,
Stephen Boyd <sboyd@...nel.org>, linux-kernel@...r.kernel.org,
Prashant Gaikwad <pgaikwad@...dia.com>,
Peter De Schrijver <pdeschrijver@...dia.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Michael Turquette <mturquette@...libre.com>,
linux-clk@...r.kernel.org
Subject: Re: [PATCH] clk: tegra: fix pllu rate configuration
On 02/22/2018 04:04 PM, Marcel Ziswiler wrote:
> Turns out latest upstream U-Boot does not configure/enable pllu which
> leaves it at some default rate of 500 kHz:
I assume this is only because U-Boot just happened not to access any USB
devices. In other words, if you break into the U-Boot boot flow and
explicitly initialize/access USB, then USB works both in U-Boot and in
the kernel even without this patch? If that's not the case, it seems
there's a bug in U-Boot.
Either way, I have no issue with this patch. I just want to make sure
there weren't other bugs in U-Boot that needed fixing.
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