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From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Zhangfei Gao <zhangfei.gao@linaro.org>,
	Bjorn Helgaas <helgaas@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-pci <linux-pci@vger.kernel.org>
Subject: Re: [PATCH 1/2] PCI: Use software node API with additional device properties
Date: Thu, 30 Sep 2021 12:37:27 +0200	[thread overview]
Message-ID: <CAJZ5v0gAfWaUXjMrSf7Ei-P=0u7kzHVKQNFY0aSxs6KFd5T6ow@mail.gmail.com> (raw)
In-Reply-To: <CAHp75Vc9hxqy=vrVfuS_cPLCVxZ=KgxZUaD=-rU9W3KH=tAX9Q@mail.gmail.com>

On Thu, Sep 30, 2021 at 12:20 PM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Thu, Sep 30, 2021 at 1:06 PM Heikki Krogerus
> <heikki.krogerus@linux.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).

The sysfs unbind doesn't remove the device, though, AFAICS.  It just
unbinds the driver from it, if any.

> I guess this way should be really taken carefully.

But I agree.

  reply	other threads:[~2021-09-30 10:37 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-29 13:37 [PATCH 0/2] device property: Remove device_add_properties() Heikki Krogerus
2021-09-29 13:37 ` [PATCH 1/2] PCI: Use software node API with additional device properties Heikki Krogerus
2021-09-29 17:08   ` Bjorn Helgaas
2021-09-30  2:33     ` Zhangfei Gao
2021-09-30 10:05       ` Heikki Krogerus
2021-09-30 10:19         ` Andy Shevchenko
2021-09-30 10:37           ` Rafael J. Wysocki [this message]
2021-09-30 11:26             ` Heikki Krogerus
2021-09-29 13:37 ` [PATCH 2/2] device property: Remove device_add_properties() API Heikki Krogerus
2021-09-29 15:44 ` [PATCH 0/2] device property: Remove device_add_properties() Andy Shevchenko

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