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

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On Tue, Aug 25, 2015 at 04:57:56PM +0200, 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?

That's a "whatever" from the ASoC point of view.  I don't particularly
care about the userspace ABI, on the one hand there aren't that many
ACPI 5 devices that might be affected and there's other devices that
won't work anyway.  On the other hand I guess there's other devices that
would have worked with the old kernel.

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