linux-kernel - Re: [PATCH v2 2/3] clk: at91: clk-main: update key before writing AT91_CKGR

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Message-ID: <160264436853.310579.18021487516220890712@swboyd.mtv.corp.google.com>
Date:   Tue, 13 Oct 2020 19:59:28 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>,
        alexandre.belloni@...tlin.com, ludovic.desroches@...rochip.com,
        mturquette@...libre.com, nicolas.ferre@...rochip.com
Cc:     bbrezillon@...nel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: Re: [PATCH v2 2/3] clk: at91: clk-main: update key before writing AT91_CKGR_MOR

Quoting Claudiu Beznea (2020-08-24 23:59:10)
> SAMA5D2 datasheet specifies on chapter 33.22.8 (PMC Clock Generator
> Main Oscillator Register) that writing any value other than
> 0x37 on KEY field aborts the write operation. Use the key when
> selecting main clock parent.
> 
> Fixes: 27cb1c2083373 ("clk: at91: rework main clk implementation")
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
> Reviewed-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> ---

Applied to clk-next