linux-kernel - Re: [PATCH 1/2] PCI: Use software node API with additional device properties

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Message-ID: <CAHp75Vc9hxqy=vrVfuS_cPLCVxZ=KgxZUaD=-rU9W3KH=tAX9Q@mail.gmail.com>
Date:   Thu, 30 Sep 2021 13:19:54 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     Zhangfei Gao <zhangfei.gao@...aro.org>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-pci <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 1/2] PCI: Use software node API with additional device properties

On Thu, Sep 30, 2021 at 1:06 PM Heikki Krogerus
<heikki.krogerus@...ux.intel.com> wrote:
> On Thu, Sep 30, 2021 at 10:33:27AM +0800, Zhangfei Gao wrote:

...

> If the device is really never removed, then we could also constify the
> node and the properties in it. Then the patch would look like this:

I'm not sure the user can't force removal of the device (via PCI
rescan, for example,, or via unbind/bind cycle). I guess this way
should be really taken carefully.

-- 
With Best Regards,
Andy Shevchenko