linux-kernel - Re: [PATCH] clk: baikal-t1: Mark Ethernet PLL as critical

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Message-ID: <160264373556.310579.3895214313999622637@swboyd.mtv.corp.google.com>
Date:   Tue, 13 Oct 2020 19:48:55 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        linux-mips@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: baikal-t1: Mark Ethernet PLL as critical

Quoting Serge Semin (2020-09-20 04:03:35)
> We've discovered that disabling the so called Ethernet PLL causes reset of
> the devices consuming its outgoing clock. The resets happen automatically
> even if each underlying clock gate is turned off. Due to that we can't
> disable the Ethernet PLL until the kernel is prepared for the corresponding
> resets. So for now just mark the PLL clock provider as critical.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
> Cc: linux-mips@...r.kernel.org
> ---

Applied to clk-next