linux-kernel - Re: [PATCH 2/2] clk: sunxi-ng: fix up PLL

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Message-ID: <20161107075603.zad2kgzvh5lr7zeh@lukather>
Date:   Mon, 7 Nov 2016 08:56:03 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Quentin Schulz <quentin.schulz@...e-electrons.com>,
        Jorik Jonker <jorik@...pendief.biz>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH 2/2] clk: sunxi-ng: fix up PLL_CPUX adjusting for A23/A33

Hi,

Same remark for the commit title.

On Mon, Nov 07, 2016 at 01:29:32AM +0800, Icenowy Zheng wrote:
> When adjusting PLL_CPUX on A23/A33, the PLL is driven too high, and the
> system stucks.
> 
> Add a notifier to avoid this situation.
> 
> The code is ported from ccu-sun6i-a31.c.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
> ---
> Patch 4.9-rc too.
>  drivers/clk/sunxi-ng/ccu-sun8i-a23.c | 10 ++++++++++

Have you checked that it was also needed on A23? Not all SoCs are in
this situation.

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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