linux-kernel - Re: [PATCH] ACPI / GED: unregister interrupts during shutdown

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Date:   Wed, 6 Dec 2017 17:41:32 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Sinan Kaya <okaya@...eaurora.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Timur Tabi <timur@...eaurora.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-arm-msm@...r.kernel.org,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI / GED: unregister interrupts during shutdown

On Wed, Dec 6, 2017 at 5:11 PM, Sinan Kaya <okaya@...eaurora.org> wrote:
> On 12/6/2017 9:57 AM, Sinan Kaya wrote:
>>> Yes, it should, so I'm not sure why you need the list in the first place.
>>>
>>> Also it looks like something along the lines of devres_release_all()
>>> should be sufficient.
>> Good suggestion, let me test this.
>>
>
> I tried to pull the code into GED but the API is not public. I also looked
> at how it is used. I was afraid to mess up with the internals of base.c by
> calling devres_release_all() externally first and by the driver framework
> next. I moved away from this approach.

Are you sure it is called by the core in the shutdown path?

> I just fixed the function rename and changed the dev_info() to dev_dbg().

And why do you need the list?

ged_shutdown() will be called for every device for which ged_probe()
has been called.