Re: [RFC] i2c: Revert back to old device naming for ACPI enumerated I2C slaves

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On 08/25/2015 07:57 AM, Wolfram Sang wrote:
On Tue, Aug 25, 2015 at 06:25:13AM +0100, Mark Brown wrote:
On Mon, Aug 24, 2015 at 01:52:02PM +0300, Jarkko Nikula wrote:
Commit 70762abb9f89 ("i2c: Use stable dev_name for ACPI enumerated I2C
slaves") broke the lm-sensors which relies on I2C hwmon slave devices under
/sys/bus/i2c/devices/ to be named as "x-00yz". However if those hwmon
devices are ACPI 5 enumerated their name became "i2c-INTABCD:ij" and sysfs
code in lm-sensors does not find them anymore:

Acked-by: Mark Brown <broonie@xxxxxxxxxx>

Don't you think there will be regressions given that the new naming
scheme was around for 18 months?

acpi is pretty long term. New bindings don't show up quickly.
So I am not surprised that this only shows up now.

Will there be regressions ? Who knows. What we do know is
that there are regressions today due to the original change.


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