linux-kernel - Re: commit 5146e0b05963 is causing a kernel crash on SoCFPGA

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Message-ID: <20160209181833.GA24167@codeaurora.org>
Date:	Tue, 9 Feb 2016 10:18:33 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Dinh Nguyen <dinguyen@...nel.org>
Cc:	Vladimir Zapolskiy <vz@...ia.com>,
	Michael Turquette <mturquette@...libre.com>,
	linux-clk@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: Re: commit 5146e0b05963 is causing a kernel crash on SoCFPGA

On 02/09, Masahiro Yamada wrote:
> 2016-02-09 19:11 GMT+09:00 Dinh Nguyen <dinguyen@...nel.org>:
> 
> >
> > Yes, .get_parent call back is define when num_parents = 1. If you take a
> > look at socfpga.dtsi, the main_pll of type "altr,socfpga-pll-clk" only
> > has 1 parent, osc1. But the periph_pll and sdram_pll, also of type
> > "altr,socfpga-pll-clk" has > 1 parents.
> 
> 
> OK. Then, I understood the cause of the problem.
> 

The patch looks good as an optimization but is there also going
to be a fix for the socfpga code? It looks like we've exposed a
bug in the implementation there.

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