linux-kernel - Re: [PATCH] clk: at91: check pmc node status before registering syscore ops

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Message-ID: <163165698139.763609.11633047159530535523@swboyd.mtv.corp.google.com>
Date:   Tue, 14 Sep 2021 15:03:01 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Clement Leger <clement.leger@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Michael Turquette <mturquette@...libre.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Clement Leger <clement.leger@...tlin.com>
Subject: Re: [PATCH] clk: at91: check pmc node status before registering syscore ops

Quoting Clement Leger (2021-09-13 01:26:33)
> Currently, at91 pmc driver always register the syscore_ops whatever
> the status of the pmc node that has been found. When set as secure
> and disabled, the pmc should not be accessed or this will generate
> abort exceptions.
> To avoid this, add a check on node availability before registering
> the syscore operations.
> 
> Signed-off-by: Clement Leger <clement.leger@...tlin.com>

Any Fixes tag?