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From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Peter De Schrijver
	<pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Prashant Gaikwad
	<pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Michael Turquette
	<mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
	Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
	Alexandre Courbot
	<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Rhyland Klein <rklein-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] clk: tegra: Fix clock sources for tegra210 EMC
Date: Wed, 13 Jan 2016 18:20:40 +0100	[thread overview]
Message-ID: <20160113172040.GS2588@ulmo> (raw)
In-Reply-To: <1450446328-6414-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

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On Fri, Dec 18, 2015 at 01:45:28PM +0000, Jon Hunter wrote:
> The EMC clock sources for tegra210 currently incorrectly include pll_c2
> and pll_c3. However, both of these should have been pll_mb as shown in
> the TRM. If tegra210 happens to be configured such that the pll_mb is the
> default clock for the EMC, as configured by the bootloader, then this will
> cause a system hang on boot. This is because the kernel will disable the
> pll_mb when disabling unused clock as it appears to be unused when it is
> not.
> 
> Also add the additional pll_p clock source for the EMC.
> 
> Signed-off-by: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
>  drivers/clk/tegra/clk-tegra210.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied, thanks.

Thierry

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      parent reply	other threads:[~2016-01-13 17:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-18 13:45 [PATCH] clk: tegra: Fix clock sources for tegra210 EMC Jon Hunter
     [not found] ` <1450446328-6414-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-12-18 16:48   ` Rhyland Klein
2016-01-13 17:20   ` Thierry Reding [this message]

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