linux-kernel - Re: [PATCH] rtc: armada38x: add __ro_after_init to armada38x_rtc

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Date:   Wed, 4 Jan 2017 12:43:32 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Alexandre Belloni <alexandre.belloni@...e-electrons.com>
cc:     Julia Lawall <julia.lawall@...6.fr>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Kees Cook <keescook@...omium.org>, andrew@...n.ch,
        Jason Cooper <jason@...edaemon.net>,
        rtc-linux@...glegroups.com, a.zummo@...ertech.it,
        LKML <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        gregory.clement@...e-electrons.com,
        Bhumika Goyal <bhumirks@...il.com>,
        sebastian.hesselbarth@...il.com
Subject: Re: [PATCH] rtc: armada38x: add __ro_after_init to
 armada38x_rtc_ops

> The question was whether the point to the rtc_class_ops could be made
> __ro_after_init. And Russell is right, it is pointed to by the ops
> pointer in a struct rtc_device and that struct is dynamically allocated
> in rtc_device_register().

OK, I think it's a terminology issue.  You mean the structure that
contains the pointer, and not the pointer itself, which is already const.

thanks,
julia