From: Dustin Byford <dustin@cumulusnetworks.com>
To: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
Wolfram Sang <wsa@the-dreams.de>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
jdelvare@suse.com, lm-sensors@lm-sensors.org, rjw@rjwysocki.net,
linux-acpi@vger.kernel.org
Subject: Re: [RFC 0/1] i2c: acpi: revert setting a "stable" device name
Date: Mon, 24 Aug 2015 22:03:29 -0700 [thread overview]
Message-ID: <20150825050329.GC21569@cumulusnetworks.com> (raw)
In-Reply-To: <55D1948C.6080501@linux.intel.com>
On Mon Aug 17 11:00, Jarkko Nikula wrote:
> If I remember correctly ACPI ID should not ever change and instance id :xy
> after INTABCD:xy should also be visible and keep the order even if device is
> disabled or not plugged. But I'm not absolute sure about this.
>
> At least on a test platform that allow disable devices will show those
> devices off-line (/sys/bus/acpi/devices/INTABCD:xy/status == 0).
I'm always surprised how hard it is to tell what *can't* happen in ACPI.
How about a conditional call to LoadTable()? Seems like that would mess
up the :xy. Moot point, I think you're on the right track in your RFC
patch.
--Dustin
prev parent reply other threads:[~2015-08-25 5:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-14 19:37 [RFC 0/1] i2c: acpi: revert setting a "stable" device name Dustin Byford
2015-08-14 19:37 ` [RFC 1/1] " Dustin Byford
2015-08-15 15:13 ` [RFC 0/1] " Guenter Roeck
2015-08-17 8:00 ` Jarkko Nikula
2015-08-25 5:03 ` Dustin Byford [this message]
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